/**
* @dataProvider explodeProvider
*/
public function testExplode($input, $delimiter, $output)
{
$this->assertEquals($output, fUTF8::explode($input, $delimiter));
}
/**
* Encodes a PHP value into a JSON string
*
* @param mixed $value The PHP value to encode
* @return string The JSON string that is equivalent to the PHP value
*/
public static function encode($value)
{
if (is_resource($value)) {
return 'null';
}
if (function_exists('json_encode')) {
return json_encode($value);
}
if (is_int($value)) {
return (string) $value;
}
if (is_float($value)) {
return (string) $value;
}
if (is_bool($value)) {
return $value ? 'true' : 'false';
}
if (is_null($value)) {
return 'null';
}
if (is_string($value)) {
if (!preg_match('#^.*$#usD', $value)) {
return 'null';
}
$char_array = fUTF8::explode($value);
$output = '"';
foreach ($char_array as $char) {
if (isset(self::$control_character_map[$char])) {
$output .= self::$control_character_map[$char];
} elseif (strlen($char) < 2) {
$output .= $char;
} else {
$output .= '\\u' . substr(strtolower(fUTF8::ord($char)), 2);
}
}
$output .= '"';
return $output;
}
// Detect if an array is associative, which would mean it needs to be encoded as an object
$is_assoc_array = FALSE;
if (is_array($value) && $value) {
$looking_for = 0;
foreach ($value as $key => $val) {
if (!is_numeric($key) || $key != $looking_for) {
$is_assoc_array = TRUE;
break;
}
$looking_for++;
}
}
if (is_object($value) || $is_assoc_array) {
$output = '{';
$members = array();
foreach ($value as $key => $val) {
$members[] = self::encode((string) $key) . ':' . self::encode($val);
}
$output .= join(',', $members);
$output .= '}';
return $output;
}
if (is_array($value)) {
$output = '[';
$members = array();
foreach ($value as $key => $val) {
$members[] = self::encode($val);
}
$output .= join(',', $members);
$output .= ']';
return $output;
}
}
