/**
* Returns the position of the first occurrence of a substring in a string
* based on grapheme units or -1 in case the given substring was not found
* within the given string.
*
* @param string $haystack The string to search in
* @param string $needle The string to get the first index of
* @param int $offset Offset index where to start looking for the needle
* @return int
*/
public static function getFirstIndexOf(string $haystack, string $needle, int $offset = 0) : int
{
// try/catch-block is necessary because grapheme_strpos produces E_NOTICE (which becomes
// converted to an exception by the system) in case $offset is not available in $haystack
// (e.g. empty haystack with offset "0")
try {
// get first index
$firstIndex = grapheme_strpos($haystack, $needle, $offset);
// return int -1 if not found instead of boolean FALSE
return $firstIndex === false ? -1 : $firstIndex;
} catch (Exception $e) {
return -1;
}
}
/**
* @covers Patchwork\PHP\Override\Intl::grapheme_strpos
* @covers Patchwork\PHP\Override\Intl::grapheme_stripos
* @covers Patchwork\PHP\Override\Intl::grapheme_strrpos
* @covers Patchwork\PHP\Override\Intl::grapheme_strripos
* @covers Patchwork\PHP\Override\Intl::grapheme_position
*/
function testGrapheme_strpos()
{
$this->assertSame(false, grapheme_strpos('abc', ''));
$this->assertSame(false, grapheme_strpos('abc', 'd'));
$this->assertSame(false, grapheme_strpos('abc', 'a', 3));
$this->assertSame(0, grapheme_strpos('abc', 'a', -1));
$this->assertSame(1, grapheme_strpos('한국어', '국'));
$this->assertSame(3, grapheme_stripos('DÉJÀ', 'à'));
$this->assertSame(false, grapheme_strrpos('한국어', ''));
$this->assertSame(1, grapheme_strrpos('한국어', '국'));
$this->assertSame(3, grapheme_strripos('DÉJÀ', 'à'));
$this->assertSame(false, p::grapheme_strpos('abc', ''));
$this->assertSame(false, p::grapheme_strpos('abc', 'd'));
$this->assertSame(false, p::grapheme_strpos('abc', 'a', 3));
$this->assertSame(0, p::grapheme_strpos('abc', 'a', -1));
$this->assertSame(1, p::grapheme_strpos('한국어', '국'));
$this->assertSame(3, p::grapheme_stripos('DÉJÀ', 'à'));
$this->assertSame(false, p::grapheme_strrpos('한국어', ''));
$this->assertSame(1, p::grapheme_strrpos('한국어', '국'));
$this->assertSame(3, p::grapheme_strripos('DÉJÀ', 'à'));
$this->assertSame(16, p::grapheme_stripos('der Straße nach Paris', 'Paris'));
}
/**
* Returns the result of filtering $value
*
* @param mixed $value
* @return mixed
*/
public function filter($value)
{
// Store original value
$unfilteredValue = $value;
if (is_string($value)) {
// Initialization
$formatter = $this->getFormatter();
// Disable scientific notation
$formatter->setSymbol(\NumberFormatter::EXPONENTIAL_SYMBOL, null);
if ($this->getBreakingSpaceAllowed()) {
// Replace spaces with NBSP (non breaking spaces)
$value = str_replace(" ", " ", $value);
// FIXME? can be removed
}
// Parse as currency
ErrorHandler::start();
$position = 0;
$currencyCode = $this->setupCurrencyCode();
if ($this->getCurrencyCorrectness()) {
// The following parsing mode allows the predefined currency code ONLY.
// Also it should be more strict and faster than parseCurrency.
$result = $formatter->parse($value, \NumberFormatter::TYPE_DOUBLE, $position);
} else {
// The following parsing mode can work with multiple currencies.
$result = $formatter->parseCurrency($value, $resultCurrencyCode, $position);
}
$fractionDigits = $formatter->getAttribute(\NumberFormatter::FRACTION_DIGITS);
// Input is a valid currency and the result is within the codomain?
if ($result !== false && (is_float($result) && !is_infinite($result) && !is_nan($result))) {
ErrorHandler::stop();
// Exit if the parsing has finished before the end of the input
if ($position < grapheme_strlen($value)) {
return $unfilteredValue;
}
// Retrieve currency symbol for the given locale and currency code
$currencySymbol = $this->getFirstCurrencySymbol($this->getLocale(), $currencyCode);
// Exit if the currency correctness is mandatory and the currency symbol is not present in the input
if ($this->getCurrencyCorrectness() && grapheme_strpos($value, $currencySymbol) === false) {
return $unfilteredValue;
}
if ($this->getScaleCorrectness()) {
$countedDecimals = $this->countDecimalDigits($value, $formatter->getSymbol(\NumberFormatter::MONETARY_SEPARATOR_SYMBOL), $currencySymbol);
// Exit if the number of decimal digits (i.e., the scale) does not match the requirement
if ($fractionDigits !== $countedDecimals) {
return $unfilteredValue;
}
}
// Here we have a perfectly parsed (pattern correct, currency correct, scale correct) currency amount
return $result;
}
// At this stage result is FALSE and input probably is a not canonical currency amount
// Check if the currency symbol is mandatory (assiming 'parse MODE')
if ($this->getCurrencyCorrectness()) {
ErrorHandler::stop();
return $unfilteredValue;
}
// Retrieve symbols
$symbolKeys = [self::CURRENCY_SYMBOL, self::GROUP_SEPARATOR_SYMBOL, self::SEPARATOR_SYMBOL, self::INFINITY_SYMBOL, self::NAN_SYMBOL, self::POSITIVE_PREFIX, self::POSITIVE_SUFFIX, self::NEGATIVE_PREFIX, self::NEGATIVE_SUFFIX, self::FRACTION_DIGITS];
$symbols = [];
foreach ($symbolKeys as $symbol) {
$symbols[$symbol] = $this->getSymbol($symbol);
}
// Regex components
$regexSymbols = array_filter(array_unique(array_values($symbols)));
$numbers = $this->getRegexComponent(self::REGEX_NUMBERS);
$flags = $this->getRegexComponent(self::REGEX_FLAGS);
// Build allowed chars regex
$allowedChars = sprintf('#^[%s]+$#%s', $numbers . implode('', array_map('preg_quote', $regexSymbols)), $flags);
// FIXME: pay attention to NaN and INF symbols here
// Check that value contains only allowed characters (digits, group and decimal separator)
$result = false;
if (preg_match($allowedChars, $value)) {
$decimal = \NumberFormatter::create($this->getLocale(), \NumberFormatter::DECIMAL);
// Get decimal place info
// FIXME: parse and parseCurrancy could use different symbols
// when used with non default currency code
$currencySymbol = $this->getFirstCurrencySymbol($this->getLocale(), $currencyCode);
$numDecimals = $this->countDecimalDigits($value, $symbols[self::SEPARATOR_SYMBOL], $currencySymbol);
// Check if the number of decimal digits match the requirement
if ($this->getScaleCorrectness() && $numDecimals !== $fractionDigits) {
return $unfilteredValue;
}
// Ignore spaces
$value = str_replace(" ", '', $value);
// Substitute negative currency representation with negative number representation
$decimalNegPrefix = $decimal->getTextAttribute(\NumberFormatter::NEGATIVE_PREFIX);
$decimalNegSuffix = $decimal->getTextAttribute(\NumberFormatter::NEGATIVE_SUFFIX);
$currencyNegPrefix = $symbols[self::NEGATIVE_PREFIX];
$currencyNegSuffix = $symbols[self::NEGATIVE_SUFFIX];
if ($decimalNegPrefix !== $currencyNegPrefix && $decimalNegSuffix !== $currencyNegSuffix) {
$regex = sprintf('#^%s([%s%s%s]+)%s$#%s', preg_quote($currencyNegPrefix), $numbers, preg_quote($symbols[self::SEPARATOR_SYMBOL]), preg_quote($symbols[self::GROUP_SEPARATOR_SYMBOL]), preg_quote($currencyNegSuffix), $flags);
$value = preg_replace($regex, $decimalNegPrefix . '\\1' . $decimalNegSuffix, $value);
}
// Try to parse as a simple decimal (formatted) number
$result = $decimal->parse($value, \NumberFormatter::TYPE_DOUBLE);
}
ErrorHandler::stop();
return $result !== false ? $result : $unfilteredValue;
// FIXME? strict check that it is a double
}
// At this stage input is not a string
return $unfilteredValue;
}
/**
* Here used as a multibyte enabled equivalent of `strpos()`.
*
* @link http://php.net/manual/en/function.grapheme-strpos.php
* @param string $haystack
* @param string $needle
* @param integer $offset
* @return integer|boolean
*/
public function strpos($haystack, $needle, $offset)
{
return grapheme_strpos($haystack, $needle, $offset);
}
static function strpos($s, $needle, $offset = 0)
{
return grapheme_strpos($s, $needle, $offset);
}
/**
* Returns the position of the first occurrence of a substring in a string, searching case-sensitively.
*
* As a special case, the method returns the starting position of the search if the searched substring is empty.
*
* @param string $string The string to be looked into.
* @param string $ofString The searched substring.
* @param int $startPos **OPTIONAL. Default is** `0`. The starting position for the search.
*
* @return int The position of the first occurrence of the substring in the string or `-1` if no such substring was
* found, taking into account the letter case during the search.
*/
public static function indexOf($string, $ofString, $startPos = 0)
{
assert('is_cstring($string) && is_cstring($ofString) && is_int($startPos)', vs(isset($this), get_defined_vars()));
assert('0 <= $startPos && $startPos <= self::length($string)', vs(isset($this), get_defined_vars()));
if (self::isEmpty($ofString)) {
return $startPos;
}
$res = grapheme_strpos($string, $ofString, $startPos);
return is_int($res) ? $res : -1;
}
/**
* Generate dataset.
*
* Formats:
* - (positive and negative) currency amounts with their own currency symbol
* - (positive and negative) currency amounts with ISO currency symbol
* - (positive and negative) numbers (without currency symbol)
* - (positive and negative) numbers expressed in scientific notation (without currency symbol)
*
* @return array
*/
public function valuesProvider()
{
$data = [];
$values = [0, 0.1, 0.01, 1000, 1234.61, 12345678.9];
$values = array_unique(array_merge($values, array_map(function ($i) {
return -$i;
}, $values)));
foreach ($this->locales as $locale) {
$formatter = \NumberFormatter::create($locale, \NumberFormatter::CURRENCY);
$currencySymbol = $formatter->getSymbol(\NumberFormatter::CURRENCY_SYMBOL);
$isoSymbol = $formatter->getTextAttribute(\NumberFormatter::CURRENCY_CODE);
$groupSep = $formatter->getSymbol(\NumberFormatter::MONETARY_GROUPING_SEPARATOR_SYMBOL);
$numDecimals = $formatter->getAttribute(\NumberFormatter::FRACTION_DIGITS);
$posPre = $formatter->getTextAttribute(\NumberFormatter::POSITIVE_PREFIX);
$negPre = $formatter->getTextAttribute(\NumberFormatter::NEGATIVE_PREFIX);
$posSuf = $formatter->getTextAttribute(\NumberFormatter::POSITIVE_SUFFIX);
$negSuf = $formatter->getTextAttribute(\NumberFormatter::NEGATIVE_SUFFIX);
$exponantiatior = \NumberFormatter::create($locale, \NumberFormatter::SCIENTIFIC);
foreach ($values as $value) {
// Restore currency symbol
$formatter->setSymbol(\NumberFormatter::CURRENCY_SYMBOL, $currencySymbol);
if (is_float($value)) {
// If value is float and current currency does not have cents, jump it
if ($numDecimals === 0) {
continue;
}
// Create a currency with less decimal places then required (w/ currency symbol)
$formatter->setAttribute(\NumberFormatter::FRACTION_DIGITS, $numDecimals - 1);
$currency = preg_replace('/^[\\xC2\\xA0\\s]+|[\\xC2\\xA0\\s]+$/u', '', $formatter->format($value));
// echo $currency . PHP_EOL;
$data[] = [$locale, true, true, $currency, $currency];
// Not filtered
$data[] = [$locale, true, false, $currency, $currency];
// Not filtered
$data[] = [$locale, false, false, (double) sprintf('%.' . ($numDecimals - 1) . 'f', $value), $currency];
// Filtered
$data[] = [$locale, false, true, (double) sprintf('%.' . ($numDecimals - 1) . 'f', $value), $currency];
// Filtered
// Create a currency with less decimal places then required (w/o currency symbol)
$currency = preg_replace('#' . preg_quote($currencySymbol) . '#u', '', $currency);
$currency = preg_replace('/^[\\xC2\\xA0\\s]+|[\\xC2\\xA0\\s]+$/u', '', $currency);
// echo $currency . PHP_EOL;
$data[] = [$locale, true, true, $currency, $currency];
// Not filtered
$data[] = [$locale, true, false, $currency, $currency];
// Not filtered
$data[] = [$locale, false, false, (double) sprintf('%.' . ($numDecimals - 1) . 'f', $value), $currency];
// Filtered
$data[] = [$locale, false, true, $currency, $currency];
// Not filtered
// Create a currency with more decimal places then required (w/ currency symbol)
$formatter->setAttribute(\NumberFormatter::FRACTION_DIGITS, $numDecimals + 1);
$currency = preg_replace('/^[\\xC2\\xA0\\s]+|[\\xC2\\xA0\\s]+$/u', '', $formatter->format($value));
// echo $currency . PHP_EOL;
$data[] = [$locale, true, true, $currency, $currency];
// Not filtered
$data[] = [$locale, true, false, $currency, $currency];
// Not filtered
$data[] = [$locale, false, false, (double) sprintf('%.' . ($numDecimals + 1) . 'f', $value), $currency];
// Filtered
$data[] = [$locale, false, true, (double) sprintf('%.' . ($numDecimals + 1) . 'f', $value), $currency];
// Filtered
// Create a currency with more decimal places then required (w/o currency symbol)
$currency = preg_replace('#' . preg_quote($currencySymbol) . '#u', '', $currency);
$currency = preg_replace('/^[\\xC2\\xA0\\s]+|[\\xC2\\xA0\\s]+$/u', '', $currency);
// echo $currency . PHP_EOL;
$data[] = [$locale, true, true, $currency, $currency];
// Not filtered
$data[] = [$locale, true, false, $currency, $currency];
// Not filtered
$data[] = [$locale, false, false, (double) sprintf('%.' . ($numDecimals + 1) . 'f', $value), $currency];
// Filtered
$data[] = [$locale, false, true, $currency, $currency];
// Not filtered
}
// Restore correct number of maximum decimal places
$formatter->setAttribute(\NumberFormatter::FRACTION_DIGITS, $numDecimals);
// Create completely formatted currency value (w/ currency symbol)
$currency = $formatter->formatCurrency($value, $isoSymbol);
// echo $currency . PHP_EOL;
$data[] = [$locale, true, true, $value, $currency];
// Filtered
// Create currency value with letters inside
$randomPos = rand(0, grapheme_strlen($currency) - 1);
$currency = grapheme_substr($currency, 0, $randomPos) . 'X' . grapheme_substr($currency, $randomPos);
// echo $currency . PHP_EOL;
$daa[] = [$locale, true, true, $currency, $currency];
// Not filtered
// Create currency value (w/ currency symbol) (w/o group separators)
if (grapheme_strpos($currency, $groupSep) !== false) {
$formatter->setSymbol(\NumberFormatter::MONETARY_GROUPING_SEPARATOR_SYMBOL, null);
$currency = $formatter->formatCurrency($value, $isoSymbol);
// echo $currency . PHP_EOL;
$data[] = [$locale, true, true, $value, $currency];
// Filtered
$formatter->setSymbol(\NumberFormatter::MONETARY_GROUPING_SEPARATOR_SYMBOL, $groupSep);
}
// Create currency value with ISO currency symbol
$formatter->setSymbol(\NumberFormatter::CURRENCY_SYMBOL, $isoSymbol);
$currency = $formatter->format($value);
// echo $currency . PHP_EOL;
$data[] = [$locale, true, true, $value, $currency];
// Filtered
// Create currency value with ISO currency symbol (w/o group separators)
if (grapheme_strpos($currency, $groupSep) !== false) {
$formatter->setSymbol(\NumberFormatter::MONETARY_GROUPING_SEPARATOR_SYMBOL, null);
$currency = $formatter->format($value);
// echo $currency . PHP_EOL;
$data[] = [$locale, true, true, $value, $currency];
// Filtered
$formatter->setSymbol(\NumberFormatter::MONETARY_GROUPING_SEPARATOR_SYMBOL, $groupSep);
}
// Create currency values with wrong ISO currency symbol or other text after it
$currency = $currency . 'S';
// echo $currency . PHP_EOL;
$data[] = [$locale, true, true, $currency, $currency];
// Not filtered
// Create currency value w/o any currency symbol
$formatter->setSymbol(\NumberFormatter::CURRENCY_SYMBOL, null);
$currency = $formatter->format($value);
// preg_replace('/^[\xC2\xA0\s]+|[\xC2\xA0\s]+$/u', '', ...);
// echo $currency . PHP_EOL;
$data[] = [$locale, true, true, $currency, $currency];
// Not filtered
$data[] = [$locale, true, false, $value, $currency];
// Filtered when currency symbol is not mandatory
if ($value >= 0) {
// Create currency value expressed in scientific notation w/o any currency symbol
$currency = $exponantiatior->format($value, \NumberFormatter::TYPE_DOUBLE);
// echo $currency . PHP_EOL;
$data[] = [$locale, true, true, $currency, $currency];
// Not filtered
$data[] = [$locale, true, false, $currency, $currency];
// Not filtered
// Create currency value expressed in scientific notation with proper currency symbol
$currency = $posPre . $currency . $posSuf;
// echo $currency . PHP_EOL;
$data[] = [$locale, true, true, $currency, $currency];
// Not filtered
$data[] = [$locale, true, false, $currency, $currency];
// Not filtered
} else {
// Create negative currency value expressed in scientific notation with proper currency symbol
$currency = $exponantiatior->format(abs($value), \NumberFormatter::TYPE_DOUBLE);
$currency = $negPre . $currency . $negSuf;
// echo $currency . PHP_EOL;
$data[] = [$locale, true, true, $currency, $currency];
// Not filtered
$data[] = [$locale, true, false, $currency, $currency];
// Not filtered
}
}
// echo '---' . PHP_EOL;
}
return $data;
}
<?php var_dump(grapheme_stripos(1, 1, 2147483648)); var_dump(grapheme_strpos(1, 1, 2147483648));
<?php
var_dump(grapheme_strpos('abaa', 'a', 1));
var_dump(grapheme_strpos('abaa', 'a', 0));
var_dump(grapheme_strpos('abaa', 'a', -1));
var_dump(grapheme_strpos('abaa', 'a', -2));
var_dump(grapheme_strrpos('abaa', 'a', 1));
var_dump(grapheme_strrpos('abaa', 'a', 0));
var_dump(grapheme_strrpos('abaa', 'a', -1));
var_dump(grapheme_strrpos('abaa', 'a', -2));
function ut_main()
{
$res_str = '';
$char_a_diaeresis = "ä";
// 'LATIN SMALL LETTER A WITH DIAERESIS' (U+00E4)
$char_a_ring = "å";
// 'LATIN SMALL LETTER A WITH RING ABOVE' (U+00E5)
$char_o_diaeresis = "ö";
// 'LATIN SMALL LETTER O WITH DIAERESIS' (U+00F6)
$char_O_diaeresis = "Ö";
// 'LATIN CAPITAL LETTER O WITH DIAERESIS' (U+00D6)
$char_angstrom_sign = "Å";
// 'ANGSTROM SIGN' (U+212B)
$char_A_ring = "Å";
// 'LATIN CAPITAL LETTER A WITH RING ABOVE' (U+00C5)
$char_ohm_sign = "Ω";
// 'OHM SIGN' (U+2126)
$char_omega = "Ω";
// 'GREEK CAPITAL LETTER OMEGA' (U+03A9)
$char_combining_ring_above = "̊";
// 'COMBINING RING ABOVE' (U+030A)
$char_fi_ligature = "fi";
// 'LATIN SMALL LIGATURE FI' (U+FB01)
$char_long_s_dot = "ẛ";
// 'LATIN SMALL LETTER LONG S WITH DOT ABOVE' (U+1E9B)
// the word 'hindi' using Devanagari characters:
$hindi = "हिन्दी";
$char_a_ring_nfd = "å";
$char_A_ring_nfd = "Å";
$char_o_diaeresis_nfd = "ö";
$char_O_diaeresis_nfd = "Ö";
$char_diaeresis = "̈";
//=====================================================================================
$res_str .= "\n" . 'function grapheme_strlen($string) {}' . "\n\n";
$res_str .= "\"hindi\" in devanagari strlen " . grapheme_strlen($hindi) . "\n";
$res_str .= "\"ab\" + \"hindi\" + \"cde\" strlen " . grapheme_strlen('ab' . $hindi . 'cde') . "\n";
$res_str .= "\"\" strlen " . grapheme_strlen("") . "\n";
$res_str .= "char_a_ring_nfd strlen " . grapheme_strlen($char_a_ring_nfd) . "\n";
$res_str .= "char_a_ring_nfd + \"bc\" strlen " . grapheme_strlen($char_a_ring_nfd . 'bc') . "\n";
$res_str .= "\"abc\" strlen " . grapheme_strlen('abc') . "\n";
//=====================================================================================
$res_str .= "\n" . 'function grapheme_strpos($haystack, $needle, $offset = 0) {}' . "\n\n";
$tests = array(array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "o", "o", 5), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd, "o", "false"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd, $char_o_diaeresis_nfd, 4), array($char_o_diaeresis_nfd . "a" . $char_a_ring_nfd . "bc", $char_a_ring_nfd, 2), array("a" . $char_a_ring_nfd . "bc", $char_a_ring_nfd, 1), array("abc", $char_a_ring_nfd, "false"), array($char_a_ring_nfd . "bc", "a", "false"), array("abc", "d", "false"), array("abc", "c", 2), array("abc", "b", 1), array("abc", "a", 0), array("abc", "a", 0, 0), array("abc", "a", 1, "false"), array("ababc", "a", 1, 2), array("ao" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "o", "o", 2, 6), array($char_o_diaeresis_nfd . $char_a_ring_nfd . "a" . $char_a_ring_nfd . "bc", $char_a_ring_nfd, 2, 3), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "opq", "op", 5), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "opq", "opq", 5), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd, "abc", "false"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "bc" . $char_o_diaeresis_nfd, $char_o_diaeresis_nfd . "bc" . $char_o_diaeresis_nfd, 4), array($char_o_diaeresis_nfd . "a" . $char_a_ring_nfd . "bc", $char_a_ring_nfd . "bc", 2), array("a" . $char_a_ring_nfd . "bc", $char_a_ring_nfd . "bc", 1), array("abc", $char_a_ring_nfd . "bc", "false"), array($char_a_ring_nfd . "bc", "abcdefg", "false"), array("abc", "defghijklmnopq", "false"), array("abc", "ab", 0), array("abc", "bc", 1), array("abc", "abc", 0), array("abc", "abcd", "false"), array("abc", "ab", 0, 0), array("abc", "abc", 0, 0), array("abc", "abc", 1, "false"), array("ababc", "ab", 1, 2), array("ababc", "abc", 1, 2), array("ao" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "o" . $char_a_ring_nfd . "bc", "o" . $char_a_ring_nfd . "bc", 2, 6), array($char_o_diaeresis_nfd . $char_a_ring_nfd . "a" . $char_a_ring_nfd . "bc" . $char_a_ring_nfd . "def", $char_a_ring_nfd . "bc" . $char_a_ring_nfd, 2, 3));
foreach ($tests as $test) {
$arg1 = urlencode($test[1]);
$arg0 = urlencode($test[0]);
$res_str .= "find \"{$arg1}\" in \"{$arg0}\" - grapheme_strpos";
if (3 == count($test)) {
$result = grapheme_strpos($test[0], $test[1]);
} else {
$res_str .= " from {$test['2']}";
$result = grapheme_strpos($test[0], $test[1], $test[2]);
}
$res_str .= " = ";
if ($result === false) {
$res_str .= 'false';
} else {
$res_str .= $result;
}
$res_str .= " == " . $test[count($test) - 1] . check_result($result, $test[count($test) - 1]) . "\n";
}
//=====================================================================================
$res_str .= "\n" . 'function grapheme_stripos($haystack, $needle, $offset = 0) {}' . "\n\n";
$tests = array(array("ao" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "O", "o", 2, 6), array($char_o_diaeresis_nfd . $char_a_ring_nfd . "a" . $char_A_ring_nfd . "bc", $char_a_ring_nfd, 2, 3), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "O", "o", 5), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd, "O", "false"), array("a" . $char_a_ring_nfd . "bc" . $char_O_diaeresis_nfd, $char_o_diaeresis_nfd, 4), array($char_o_diaeresis_nfd . "a" . $char_a_ring_nfd . "bc", $char_A_ring_nfd, 2), array("a" . $char_A_ring_nfd . "bc", $char_a_ring_nfd, 1), array("Abc", $char_a_ring_nfd, "false"), array($char_a_ring_nfd . "bc", "A", "false"), array("abc", "D", "false"), array("abC", "c", 2), array("abc", "B", 1), array("Abc", "a", 0), array("abc", "A", 0, 0), array("Abc", "a", 1, "false"), array("ababc", "A", 1, 2), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", "oP", 5), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", "opQ", 5), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd, "abc", "false"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "bC" . $char_o_diaeresis_nfd, $char_O_diaeresis_nfd . "bc" . $char_o_diaeresis_nfd, 4), array($char_o_diaeresis_nfd . "a" . $char_a_ring_nfd . "Bc", $char_A_ring_nfd . "bc", 2), array("a" . $char_a_ring_nfd . "BC", $char_a_ring_nfd . "bc", 1), array("abc", $char_a_ring_nfd . "BC", "false"), array($char_a_ring_nfd . "BC", "aBCdefg", "false"), array("aBC", "Defghijklmnopq", "false"), array("abC", "Ab", 0), array("aBC", "bc", 1), array("abC", "Abc", 0), array("abC", "aBcd", "false"), array("ABc", "ab", 0, 0), array("aBc", "abC", 0, 0), array("abc", "aBc", 1, "false"), array("ABabc", "AB", 1, 2), array("abaBc", "aBc", 1, 2), array("ao" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "o" . $char_A_ring_nfd . "bC", "O" . $char_a_ring_nfd . "bC", 2, 6), array($char_o_diaeresis_nfd . $char_a_ring_nfd . "a" . $char_A_ring_nfd . "bC" . $char_a_ring_nfd . "def", $char_a_ring_nfd . "Bc" . $char_a_ring_nfd, 2, 3));
foreach ($tests as $test) {
$arg1 = urlencode($test[1]);
$arg0 = urlencode($test[0]);
$res_str .= "find \"{$arg1}\" in \"{$arg0}\" - grapheme_stripos";
if (3 == count($test)) {
$result = grapheme_stripos($test[0], $test[1]);
} else {
$res_str .= " from {$test['2']}";
$result = grapheme_stripos($test[0], $test[1], $test[2]);
}
$res_str .= " = ";
if ($result === false) {
$res_str .= 'false';
} else {
$res_str .= $result;
}
$res_str .= " == " . $test[count($test) - 1] . check_result($result, $test[count($test) - 1]) . "\n";
}
//=====================================================================================
$res_str .= "\n" . 'function grapheme_strrpos($haystack, $needle, $offset = 0) {}' . "\n\n";
$tests = array(array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "o", "o", 5), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd, "o", "false"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd, $char_o_diaeresis_nfd, 4), array($char_o_diaeresis_nfd . "a" . $char_a_ring_nfd . "bc", $char_a_ring_nfd, 2), array("a" . $char_a_ring_nfd . "bc", $char_a_ring_nfd, 1), array("abc", $char_a_ring_nfd, "false"), array($char_a_ring_nfd . "bc", "a", "false"), array("abc", "d", "false"), array("abc", "c", 2), array("abc", "b", 1), array("abc", "a", 0), array("abc", "a", 0, 0), array("abc", "a", 1, "false"), array("ababc", "a", 1, 2), array("ao" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "o", "o", 2, 6), array($char_o_diaeresis_nfd . $char_a_ring_nfd . "a" . $char_a_ring_nfd . "bc", $char_a_ring_nfd, 2, 3), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "opq", "op", 5), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "opq", "opq", 5), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd, "abc", "false"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "bc" . $char_o_diaeresis_nfd, $char_o_diaeresis_nfd . "bc" . $char_o_diaeresis_nfd, 4), array($char_o_diaeresis_nfd . "a" . $char_a_ring_nfd . "bc", $char_a_ring_nfd . "bc", 2), array("a" . $char_a_ring_nfd . "bc", $char_a_ring_nfd . "bc", 1), array("abc", $char_a_ring_nfd . "bc", "false"), array($char_a_ring_nfd . "bc", "abcdefg", "false"), array("abc", "defghijklmnopq", "false"), array("abc", "ab", 0), array("abc", "bc", 1), array("abc", "abc", 0), array("abc", "abcd", "false"), array("abc", "ab", 0, 0), array("abc", "abc", 0, 0), array("abc", "abc", 1, "false"), array("ababc", "ab", 1, 2), array("ababc", "abc", 1, 2), array("ao" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "o" . $char_a_ring_nfd . "bc", "o" . $char_a_ring_nfd . "bc", 2, 6), array($char_o_diaeresis_nfd . $char_a_ring_nfd . "a" . $char_a_ring_nfd . "bc" . $char_a_ring_nfd . "def", $char_a_ring_nfd . "bc" . $char_a_ring_nfd, 2, 3));
foreach ($tests as $test) {
$arg1 = urlencode($test[1]);
$arg0 = urlencode($test[0]);
$res_str .= "find \"{$arg1}\" in \"{$arg0}\" - grapheme_strrpos";
if (3 == count($test)) {
$result = grapheme_strrpos($test[0], $test[1]);
} else {
$res_str .= " from {$test['2']}";
$result = grapheme_strrpos($test[0], $test[1], $test[2]);
}
$res_str .= " = ";
if ($result === false) {
$res_str .= 'false';
} else {
$res_str .= $result;
}
$res_str .= " == " . $test[count($test) - 1] . check_result($result, $test[count($test) - 1]) . "\n";
}
//=====================================================================================
$res_str .= "\n" . 'function grapheme_strripos($haystack, $needle, $offset = 0) {}' . "\n\n";
$tests = array(array("ao" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "O", "o", 2, 6), array($char_o_diaeresis_nfd . $char_a_ring_nfd . "a" . $char_A_ring_nfd . "bc", $char_a_ring_nfd, 2, 3), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "O", "o", 5), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd, "O", "false"), array("a" . $char_a_ring_nfd . "bc" . $char_O_diaeresis_nfd, $char_o_diaeresis_nfd, 4), array($char_o_diaeresis_nfd . "a" . $char_a_ring_nfd . "bc", $char_A_ring_nfd, 2), array("a" . $char_A_ring_nfd . "bc", $char_a_ring_nfd, 1), array("Abc", $char_a_ring_nfd, "false"), array($char_a_ring_nfd . "bc", "A", "false"), array("abc", "D", "false"), array("abC", "c", 2), array("abc", "B", 1), array("Abc", "a", 0), array("abc", "A", 0, 0), array("Abc", "a", 1, "false"), array("ababc", "A", 1, 2), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", "oP", 5), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", "opQ", 5), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd, "abc", "false"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "bC" . $char_o_diaeresis_nfd, $char_O_diaeresis_nfd . "bc" . $char_o_diaeresis_nfd, 4), array($char_o_diaeresis_nfd . "a" . $char_a_ring_nfd . "Bc", $char_A_ring_nfd . "bc", 2), array("a" . $char_a_ring_nfd . "BC", $char_a_ring_nfd . "bc", 1), array("abc", $char_a_ring_nfd . "BC", "false"), array($char_a_ring_nfd . "BC", "aBCdefg", "false"), array("aBC", "Defghijklmnopq", "false"), array("abC", "Ab", 0), array("aBC", "bc", 1), array("abC", "Abc", 0), array("abC", "aBcd", "false"), array("ABc", "ab", 0, 0), array("aBc", "abC", 0, 0), array("abc", "aBc", 1, "false"), array("ABabc", "AB", 1, 2), array("abaBc", "aBc", 1, 2), array("ao" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "o" . $char_A_ring_nfd . "bC", "O" . $char_a_ring_nfd . "bC", 2, 6), array($char_o_diaeresis_nfd . $char_a_ring_nfd . "a" . $char_A_ring_nfd . "bC" . $char_a_ring_nfd . "def", $char_a_ring_nfd . "Bc" . $char_a_ring_nfd, 2, 3));
foreach ($tests as $test) {
$arg1 = urlencode($test[1]);
$arg0 = urlencode($test[0]);
$res_str .= "find \"{$arg1}\" in \"{$arg0}\" - grapheme_strripos";
if (3 == count($test)) {
$result = grapheme_strripos($test[0], $test[1]);
} else {
$res_str .= " from {$test['2']}";
$result = grapheme_strripos($test[0], $test[1], $test[2]);
}
$res_str .= " = ";
if ($result === false) {
$res_str .= 'false';
} else {
$res_str .= $result;
}
$res_str .= " == " . $test[count($test) - 1] . check_result($result, $test[count($test) - 1]) . "\n";
}
//=====================================================================================
$res_str .= "\n" . 'function grapheme_substr($string, $start, $length = -1) {}' . "\n\n";
$tests = array(array("abc", 3, "false"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd, 5, "false"), array("ao" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "O", 2, $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "O"), array($char_o_diaeresis_nfd . $char_a_ring_nfd . "a" . $char_A_ring_nfd . "bc", 2, "a" . $char_A_ring_nfd . "bc"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "O", 5, "O"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd, 5, "false"), array("a" . $char_a_ring_nfd . "bc" . $char_O_diaeresis_nfd, 4, $char_O_diaeresis_nfd), array($char_o_diaeresis_nfd . "a" . $char_a_ring_nfd . "bc", 2, $char_a_ring_nfd . "bc"), array("a" . $char_A_ring_nfd . "bc", 1, $char_A_ring_nfd . "bc"), array("Abc", -5, "false"), array($char_a_ring_nfd . "bc", 3, "false"), array("abc", 4, "false"), array("abC", 2, "C"), array("abc", 1, "bc"), array("Abc", 1, 1, "b"), array("abc", 0, 2, "ab"), array("Abc", -4, 1, "false"), array("ababc", 1, 2, "ba"), array("ababc", 0, 10, "ababc"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", 0, 10, "a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", 5, "Opq"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", 5, -1, "Op"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", 5, -2, "O"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", 5, -3, ""), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", 5, -4, "false"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", 0, "a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", 0, -1, "a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Op"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", 0, -2, "a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "O"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", 0, -3, "a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", 0, -4, "a" . $char_a_ring_nfd . "bc"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", 0, -5, "a" . $char_a_ring_nfd . "b"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", 0, -6, "a" . $char_a_ring_nfd), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", 0, -7, "a"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", 0, -8, ""), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", 0, -9, "false"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, "a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -7, $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -6, "bc" . $char_o_diaeresis_nfd . "Opq"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -5, "c" . $char_o_diaeresis_nfd . "Opq"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -4, $char_o_diaeresis_nfd . "Opq"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -3, "Opq"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -2, "pq"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -1, "q"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -999, "false"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, 8, "a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, 7, "a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Op"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, 6, "a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "O"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, 5, "a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, 4, "a" . $char_a_ring_nfd . "bc"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, 3, "a" . $char_a_ring_nfd . "b"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, 2, "a" . $char_a_ring_nfd), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, 1, "a"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, 0, ""), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, -999, "false"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, -1, "a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Op"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, -2, "a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "O"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, -3, "a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, -4, "a" . $char_a_ring_nfd . "bc"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, -5, "a" . $char_a_ring_nfd . "b"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, -6, "a" . $char_a_ring_nfd), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, -7, "a"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, -8, ""), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "Opq", -8, -9, "false"));
foreach ($tests as $test) {
$arg0 = urlencode($test[0]);
$res_str .= "substring of \"{$arg0}\" from \"{$test['1']}\" - grapheme_substr";
if (3 == count($test)) {
$result = grapheme_substr($test[0], $test[1]);
} else {
$res_str .= " with length {$test['2']}";
$result = grapheme_substr($test[0], $test[1], $test[2]);
}
$res_str .= " = ";
if ($result === false) {
$res_str .= 'false';
} else {
$res_str .= urlencode($result);
}
$res_str .= " == " . urlencode($test[count($test) - 1]) . check_result($result, $test[count($test) - 1]) . "\n";
}
//=====================================================================================
$res_str .= "\n" . 'function grapheme_strstr($haystack, $needle, $before_needle = FALSE) {}' . "\n\n";
$tests = array(array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "o", "o", "o"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd, "o", "false"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd, $char_o_diaeresis_nfd, $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . "a" . $char_a_ring_nfd . "bc", $char_a_ring_nfd, $char_a_ring_nfd . "bc"), array("a" . $char_a_ring_nfd . "bc", $char_a_ring_nfd, $char_a_ring_nfd . "bc"), array("abc", $char_a_ring_nfd, "false"), array($char_a_ring_nfd . "bc", "a", "false"), array("abc", "d", "false"), array("abc", "c", "c"), array("abc", "b", "bc"), array("abc", "a", "abc"), array("abc", "ab", "abc"), array("abc", "abc", "abc"), array("abc", "bc", "bc"), array("abc", "a", FALSE, "abc"), array("abc", "a", TRUE, ""), array("abc", "b", TRUE, "a"), array("abc", "c", TRUE, "ab"), array("ababc", "bab", TRUE, "a"), array("ababc", "abc", TRUE, "ab"), array("ababc", "abc", FALSE, "abc"), array("ab" . $char_a_ring_nfd . "c", "d", "false"), array("bc" . $char_a_ring_nfd . "a", "a", "a"), array("a" . $char_a_ring_nfd . "bc", "b", "bc"), array($char_a_ring_nfd . "bc", "a", "false"), array($char_a_ring_nfd . "abc", "ab", "abc"), array("abc" . $char_a_ring_nfd, "abc", "abc" . $char_a_ring_nfd), array("a" . $char_a_ring_nfd . "bc", $char_a_ring_nfd . "bc", $char_a_ring_nfd . "bc"), array("a" . $char_a_ring_nfd . "bc", $char_a_ring_nfd, FALSE, $char_a_ring_nfd . "bc"), array("a" . $char_a_ring_nfd . "bc", "a", TRUE, ""), array($char_a_ring_nfd . "abc", "b", TRUE, $char_a_ring_nfd . "a"), array("ab" . $char_a_ring_nfd . "c", "c", TRUE, "ab" . $char_a_ring_nfd), array("aba" . $char_a_ring_nfd . "bc", "ba" . $char_a_ring_nfd . "b", TRUE, "a"), array("ababc" . $char_a_ring_nfd, "abc" . $char_a_ring_nfd, TRUE, "ab"), array("abab" . $char_a_ring_nfd . "c", "ab" . $char_a_ring_nfd . "c", FALSE, "ab" . $char_a_ring_nfd . "c"));
foreach ($tests as $test) {
$arg1 = urlencode($test[1]);
$arg0 = urlencode($test[0]);
$res_str .= "find \"{$arg1}\" in \"{$arg0}\" - grapheme_strstr";
if (3 == count($test)) {
$result = grapheme_strstr($test[0], $test[1]);
} else {
$res_str .= " before flag is " . ($test[2] ? "TRUE" : "FALSE");
$result = grapheme_strstr($test[0], $test[1], $test[2]);
}
$res_str .= " = ";
if ($result === false) {
$res_str .= 'false';
} else {
$res_str .= urlencode($result);
}
$res_str .= " == " . urlencode($test[count($test) - 1]) . check_result($result, $test[count($test) - 1]) . "\n";
}
//=====================================================================================
$res_str .= "\n" . 'function grapheme_stristr($haystack, $needle, $before_needle = FALSE) {}' . "\n\n";
$tests = array(array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd, $char_O_diaeresis_nfd, $char_o_diaeresis_nfd), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd . "O", "o", "O"), array("a" . $char_a_ring_nfd . "bc" . $char_o_diaeresis_nfd, "o", "false"), array($char_o_diaeresis_nfd . "a" . $char_a_ring_nfd . "bc", $char_a_ring_nfd, $char_a_ring_nfd . "bc"), array("a" . $char_a_ring_nfd . "bc", $char_A_ring_nfd, $char_a_ring_nfd . "bc"), array("abc", $char_a_ring_nfd, "false"), array($char_a_ring_nfd . "bc", "A", "false"), array("abc", "d", "false"), array("abc", "C", "c"), array("aBc", "b", "Bc"), array("abc", "A", "abc"), array("abC", "ab", "abC"), array("abc", "aBc", "abc"), array("abC", "bc", "bC"), array("abc", "A", FALSE, "abc"), array("abc", "a", TRUE, ""), array("aBc", "b", TRUE, "a"), array("abc", "C", TRUE, "ab"), array("aBabc", "bab", TRUE, "a"), array("ababc", "aBc", TRUE, "ab"), array("ababc", "abC", FALSE, "abc"), array("ab" . $char_a_ring_nfd . "c", "d", "false"), array("bc" . $char_a_ring_nfd . "A", "a", "A"), array("a" . $char_a_ring_nfd . "bc", "B", "bc"), array($char_A_ring_nfd . "bc", "a", "false"), array($char_a_ring_nfd . "abc", "Ab", "abc"), array("abc" . $char_A_ring_nfd, "abc", "abc" . $char_A_ring_nfd), array("a" . $char_a_ring_nfd . "bc", $char_A_ring_nfd . "bc", $char_a_ring_nfd . "bc"), array("a" . $char_A_ring_nfd . "bc", $char_a_ring_nfd, FALSE, $char_A_ring_nfd . "bc"), array("a" . $char_a_ring_nfd . "bc", "A", TRUE, ""), array($char_a_ring_nfd . "aBc", "b", TRUE, $char_a_ring_nfd . "a"), array("ab" . $char_a_ring_nfd . "c", "C", TRUE, "ab" . $char_a_ring_nfd), array("aba" . $char_A_ring_nfd . "bc", "ba" . $char_a_ring_nfd . "b", TRUE, "a"), array("ababc" . $char_a_ring_nfd, "aBc" . $char_A_ring_nfd, TRUE, "ab"), array("abAB" . $char_A_ring_nfd . "c", "ab" . $char_a_ring_nfd . "c", FALSE, "AB" . $char_A_ring_nfd . "c"));
foreach ($tests as $test) {
$arg1 = urlencode($test[1]);
$arg0 = urlencode($test[0]);
$res_str .= "find \"{$arg1}\" in \"{$arg0}\" - grapheme_stristr";
if (3 == count($test)) {
$result = grapheme_stristr($test[0], $test[1]);
} else {
$res_str .= " before flag is " . ($test[2] ? "TRUE" : "FALSE");
$result = grapheme_stristr($test[0], $test[1], $test[2]);
}
$res_str .= " = ";
if ($result === false) {
$res_str .= 'false';
} else {
$res_str .= urlencode($result);
}
$res_str .= " == " . urlencode($test[count($test) - 1]) . check_result($result, $test[count($test) - 1]) . "\n";
}
//=====================================================================================
$res_str .= "\n" . 'function grapheme_extract($haystack, $size, $extract_type = GRAPHEME_EXTR_COUNT, $start = 0[, $next])' . "\n\n";
$tests = array(array("abc", 3, "abc"), array("abc", 2, "ab"), array("abc", 1, "a"), array("abc", 0, ""), array("abc", 1, 0, "a"), array("abc", 1, 1, "b"), array("abc", 1, 2, "c"), array("abc", 0, 2, ""), array("abc", 3, 0, 3, "abc"), array("abc", 2, 0, 2, "ab"), array("abc", 1, 0, 1, "a"), array("abc", 0, 0, 0, ""), array("abc", 1, 0, 1, "a"), array("abc", 1, 1, 2, "b"), array("abc", 1, 2, 3, "c"), array("abc", 0, 2, 2, ""), array("http://news.bbc.co.uk/2/hi/middle_east/7831588.stm", 48, 48, 50, "tm"), array($char_a_ring_nfd . "bc", 3, $char_a_ring_nfd . "bc"), array($char_a_ring_nfd . "bc", 2, $char_a_ring_nfd . "b"), array($char_a_ring_nfd . "bc", 1, $char_a_ring_nfd . ""), array($char_a_ring_nfd . "bc", 3, 0, 5, $char_a_ring_nfd . "bc"), array($char_a_ring_nfd . "bc", 2, 0, 4, $char_a_ring_nfd . "b"), array($char_a_ring_nfd . "bc", 1, 0, 3, $char_a_ring_nfd . ""), array($char_a_ring_nfd . "bcde", 2, 3, 5, "bc"), array($char_a_ring_nfd . "bcde", 2, 4, 6, "cd"), array($char_a_ring_nfd . "bcde" . $char_a_ring_nfd . "f", 4, 5, 11, "de" . $char_a_ring_nfd . "f"), array($char_a_ring_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 3, $char_a_ring_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd), array($char_a_ring_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 2, $char_a_ring_nfd . $char_o_diaeresis_nfd), array($char_a_ring_nfd . $char_o_diaeresis_nfd . "c", 1, $char_a_ring_nfd . ""), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 1, 0, $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 1, 2, $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 1, 3, $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 1, 4, $char_diaeresis), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 2, 0, $char_o_diaeresis_nfd . $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 2, 2, $char_o_diaeresis_nfd . $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 2, 3, $char_o_diaeresis_nfd . $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 2, 4, $char_diaeresis . $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 2, 7, $char_diaeresis . $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 2, 8, $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 2, 10, $char_diaeresis), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 2, 11, "false"));
$next = -1;
foreach ($tests as $test) {
$arg0 = urlencode($test[0]);
$res_str .= "extract from \"{$arg0}\" \"{$test['1']}\" graphemes - grapheme_extract";
if (3 == count($test)) {
$result = grapheme_extract($test[0], $test[1]);
} elseif (4 == count($test)) {
$res_str .= " starting at byte position {$test['2']}";
$result = grapheme_extract($test[0], $test[1], GRAPHEME_EXTR_COUNT, $test[2]);
} else {
$res_str .= " starting at byte position {$test['2']} with \$next";
$result = grapheme_extract($test[0], $test[1], GRAPHEME_EXTR_COUNT, $test[2], $next);
}
$res_str .= " = ";
if ($result === false) {
$res_str .= 'false';
} else {
$res_str .= urlencode($result);
}
$res_str .= " == " . urlencode($test[count($test) - 1]) . check_result($result, $test[count($test) - 1]);
if (5 == count($test)) {
$res_str .= " \$next={$next} == {$test['3']} ";
if ($next != $test[3]) {
$res_str .= "***FAILED***";
}
}
$res_str .= "\n";
}
//=====================================================================================
$res_str .= "\n" . 'function grapheme_extract($haystack, $size, $extract_type = GRAPHEME_EXTR_MAXBYTES, $start = 0)' . "\n\n";
$tests = array(array("abc", 3, "abc"), array("abc", 2, "ab"), array("abc", 1, "a"), array("abc", 0, ""), array($char_a_ring_nfd . "bc", 5, $char_a_ring_nfd . "bc"), array($char_a_ring_nfd . "bc", 4, $char_a_ring_nfd . "b"), array($char_a_ring_nfd . "bc", 1, ""), array($char_a_ring_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 9, $char_a_ring_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd), array($char_a_ring_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 10, $char_a_ring_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd), array($char_a_ring_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 11, $char_a_ring_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd), array($char_a_ring_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 6, $char_a_ring_nfd . $char_o_diaeresis_nfd), array($char_a_ring_nfd . $char_o_diaeresis_nfd . "c", 3, $char_a_ring_nfd . ""), array($char_a_ring_nfd . $char_o_diaeresis_nfd . "c", 4, $char_a_ring_nfd . ""), array($char_a_ring_nfd . $char_o_diaeresis_nfd . "c", 5, $char_a_ring_nfd . ""), array($char_a_ring_nfd . $char_o_diaeresis_nfd . "c", 6, $char_a_ring_nfd . $char_o_diaeresis_nfd), array($char_a_ring_nfd . $char_o_diaeresis_nfd . "c", 7, $char_a_ring_nfd . $char_o_diaeresis_nfd . "c"), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 3, 0, $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 3, 2, $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 3, 3, $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 3, 4, $char_diaeresis), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 6, 0, $char_o_diaeresis_nfd . $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 6, 2, $char_o_diaeresis_nfd . $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 6, 3, $char_o_diaeresis_nfd . $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 5, 4, $char_diaeresis . $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 5, 7, $char_diaeresis . $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 3, 8, $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 2, 10, $char_diaeresis), array($char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, 2, 11, "false"));
foreach ($tests as $test) {
$arg0 = urlencode($test[0]);
$res_str .= "extract from \"{$arg0}\" \"{$test['1']}\" graphemes - grapheme_extract GRAPHEME_EXTR_MAXBYTES";
if (3 == count($test)) {
$result = grapheme_extract($test[0], $test[1], GRAPHEME_EXTR_MAXBYTES);
} else {
$res_str .= " starting at byte position {$test['2']}";
$result = grapheme_extract($test[0], $test[1], GRAPHEME_EXTR_MAXBYTES, $test[2]);
}
$res_str .= " = ";
if ($result === false) {
$res_str .= 'false';
} else {
$res_str .= urlencode($result);
}
$res_str .= " == " . urlencode($test[count($test) - 1]) . check_result($result, $test[count($test) - 1]) . "\n";
}
//=====================================================================================
$res_str .= "\n" . 'function grapheme_extract($haystack, $size, $extract_type = GRAPHEME_EXTR_MAXCHARS, $start = 0)' . "\n\n";
$tests = array(array("abc", 3, "abc"), array("abc", 2, "ab"), array("abc", 1, "a"), array("abc", 0, ""), array("abc" . $char_o_diaeresis_nfd, 0, ""), array("abc" . $char_o_diaeresis_nfd, 1, "a"), array("abc" . $char_o_diaeresis_nfd, 2, "ab"), array("abc" . $char_o_diaeresis_nfd, 3, "abc"), array("abc" . $char_o_diaeresis_nfd, 4, "abc"), array("abc" . $char_o_diaeresis_nfd, 5, "abc" . $char_o_diaeresis_nfd), array("abc" . $char_o_diaeresis_nfd, 6, "abc" . $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . "abc", 0, ""), array($char_o_diaeresis_nfd . "abc", 1, ""), array($char_o_diaeresis_nfd . "abc", 2, $char_o_diaeresis_nfd), array($char_o_diaeresis_nfd . "abc", 3, $char_o_diaeresis_nfd . "a"), array($char_o_diaeresis_nfd . "abc", 4, $char_o_diaeresis_nfd . "ab"), array($char_o_diaeresis_nfd . "abc" . $char_a_ring_nfd . "xyz", 5, $char_o_diaeresis_nfd . "abc"), array($char_o_diaeresis_nfd . "abc" . $char_a_ring_nfd . "xyz", 6, $char_o_diaeresis_nfd . "abc"), array($char_o_diaeresis_nfd . "abc" . $char_a_ring_nfd . "xyz", 7, $char_o_diaeresis_nfd . "abc" . $char_a_ring_nfd), array($char_o_diaeresis_nfd . "abc" . $char_a_ring_nfd . "xyz", 8, $char_o_diaeresis_nfd . "abc" . $char_a_ring_nfd . "x"), array("abc", 3, 0, "abc"), array("abc", 2, 1, "bc"), array("abc", 1, 2, "c"), array("abc", 0, 3, "false"), array("abc", 1, 3, "false"), array("abc", 1, 999, "false"), array($char_o_diaeresis_nfd . "abc", 1, 6, "false"), array($char_o_diaeresis_nfd . "abc", 1, 999, "false"), array($char_o_diaeresis_nfd . "abc" . $char_a_ring_nfd . "xyz", 8, 0, $char_o_diaeresis_nfd . "abc" . $char_a_ring_nfd . "x"), array($char_o_diaeresis_nfd . "abc" . $char_a_ring_nfd . "xyz", 8, 1, $char_diaeresis . "abc" . $char_a_ring_nfd . "xy"), array($char_o_diaeresis_nfd . "abc" . $char_a_ring_nfd . "xyz", 8, 2, "abc" . $char_a_ring_nfd . "xyz"), array($char_o_diaeresis_nfd . "abc" . $char_a_ring_nfd . "xyz", 8, 3, "abc" . $char_a_ring_nfd . "xyz"), array($char_o_diaeresis_nfd . "abc" . $char_a_ring_nfd . "xyz", 8, 4, "bc" . $char_a_ring_nfd . "xyz"), array($char_o_diaeresis_nfd . "abc" . $char_a_ring_nfd . "xyz", 8, 5, "c" . $char_a_ring_nfd . "xyz"), array($char_o_diaeresis_nfd . "abc" . $char_a_ring_nfd . "xyz", 8, 6, $char_a_ring_nfd . "xyz"));
foreach ($tests as $test) {
$arg0 = urlencode($test[0]);
$res_str .= "extract from \"{$arg0}\" \"{$test['1']}\" graphemes - grapheme_extract GRAPHEME_EXTR_MAXCHARS";
if (3 == count($test)) {
$result = grapheme_extract($test[0], $test[1], GRAPHEME_EXTR_MAXCHARS);
} else {
$res_str .= " starting at byte position {$test['2']}";
$result = grapheme_extract($test[0], $test[1], GRAPHEME_EXTR_MAXCHARS, $test[2]);
}
$res_str .= " = ";
if ($result === false) {
$res_str .= 'false';
} else {
$res_str .= urlencode($result);
}
$res_str .= " == " . urlencode($test[count($test) - 1]) . check_result($result, $test[count($test) - 1]) . "\n";
}
//=====================================================================================
return $res_str;
}
/**
* Find position of first occurrence of string in a string
*
* @link http://php.net/manual/en/function.mb-strpos.php
*
* @param string $haystack <p>
* The string being checked.
* </p>
* @param string $needle <p>
* The position counted from the beginning of haystack.
* </p>
* @param int $offset [optional] <p>
* The search offset. If it is not specified, 0 is used.
* </p>
* @param boolean $cleanUtf8 Clean non UTF-8 chars from the string
*
* @return int the numeric position of
* the first occurrence of needle in the
* haystack string. If
* needle is not found, it returns false.
*/
public static function strpos($haystack, $needle, $offset = 0, $cleanUtf8 = false)
{
$haystack = (string) $haystack;
$needle = (string) $needle;
if (!isset($haystack[0]) || !isset($needle[0])) {
return false;
}
// init
self::checkForSupport();
$offset = (int) $offset;
// iconv and mbstring do not support integer $needle
if ((int) $needle === $needle && $needle >= 0) {
$needle = self::chr($needle);
}
if ($cleanUtf8 === true) {
// mb_strpos returns wrong position if invalid characters are found in $haystack before $needle
// iconv_strpos is not tolerant to invalid characters
$needle = self::clean((string) $needle);
$haystack = self::clean($haystack);
}
if (self::$support['mbstring'] === true) {
return mb_strpos($haystack, $needle, $offset, 'UTF-8');
}
if (self::$support['iconv'] === true) {
return grapheme_strpos($haystack, $needle, $offset);
}
if ($offset > 0) {
$haystack = self::substr($haystack, $offset);
}
if (($pos = strpos($haystack, $needle)) !== false) {
$left = substr($haystack, 0, $pos);
// negative offset not supported in PHP strpos(), ignoring
return ($offset > 0 ? $offset : 0) + self::strlen($left);
}
return false;
}