/**
* Create a table object from a block of text.
*
* @param string $text table definition
* @return T_Text_Table table object
*/
protected function populateTable($text, T_Text_Table $table)
{
$lines = preg_split('/(?:\\r\\n|\\n|\\x0b|\\r|\\f|\\x85)\\s*/u', $text);
// also removes starting spaces
// starting delimiter has already been stripped by the parsing regex, so we just need
// to check whether the auto header 2nd line exists, and then parse text into table data array.
$is_headers = count($lines) > 1 && strncmp($lines[1], '|', 1) !== 0;
$data = array();
foreach ($lines as $row) {
if (strncmp($row, '|', 1) !== 0) {
continue;
}
// skip delimiters
$data[] = explode('|', mb_trim(mb_trim($row), '|'));
}
// now we need to actually flesh out the data into a table. Here we need to account for the
// fact that trailing empty elements in the array are merged via span into the previous cell.
$per_row = max(array_map('count', $data));
foreach ($data as $num => $src) {
$table->addChild($row = new T_Text_TableRow());
if (count($src) != $per_row) {
// add extra cols at end which will be merged by span into previous cell
for ($i = 0, $max = $per_row - count($src); $i < $max; $i++) {
$src[] = null;
}
}
foreach ($src as $n => $cell) {
if ($n > 0 && strlen($cell) == 0) {
continue;
}
// skip cells already created into spans
$type = $is_headers || strncmp($cell, '^', 1) === 0 ? T_Text_TableCell::HEADER : T_Text_TableCell::PLAIN;
$cell = mb_trim(mb_ltrim($cell, '^'));
$span = 1;
while (++$n < $per_row && strlen($src[$n]) == 0) {
++$span;
}
$row->addChild(new T_Text_TableCell($cell, $type, $span));
}
$is_headers = false;
// turn off auto headers after first line
}
return $table;
}
<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<title>文字列の前後の半角空白文字を削除する</title>
</head>
<body>
<div>
<?php
$text = ' abc 123 ';
echo '<pre>削除前の文字列[' . $text . ']</pre>';
echo '<ul>';
echo '<li><p>前後の空白を削除</p><pre>[';
echo mb_trim($text) . ']</pre></li>';
echo '<li><p>先頭の空白を削除</p><pre>[';
echo mb_ltrim($text) . ']</pre></li>';
echo '<li><p>末尾の空白を削除</p><pre>[';
echo mb_rtrim($text) . ']</pre></li>';
echo '</ul>';
// mb_trim()関数
// 文字列の前後の空白（全角スペース含む）を削除した文字列を返す。
function mb_trim($str)
{
return mb_ereg_replace('\\A(\\s| )+(\\s| )+\\z', '', $str);
}
// mb_ltrim()関数
// 文字列の先頭の空白（全角スペース含む）を削除した文字列を返す。
function mb_ltrim($str)
{
return mb_ereg_replace('\\A(\\s| )+', '', $str);
}
/**
* Unicode aware replacement for trim.
*
* @see trim
* @param string $str string to trim
* @param string $charlist list of characters to trim
* @return string trimmed string
*/
function mb_trim($str, $charlist = '')
{
if (strlen($charlist) == 0) {
return trim($str);
} else {
return mb_ltrim(mb_rtrim($str, $charlist), $charlist);
}
}
function testLtrimLinefeedMask()
{
$str = "ñ\nñtërnâtiônàlizætiøn";
$trimmed = "tërnâtiônàlizætiøn";
$this->assertSame(mb_ltrim($str, "ñ\n"), $trimmed);
}