/**
* 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);
}
}
<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);
}
// mb_rtrim()関数
// 文字列の末尾の空白（全角スペース含む）を削除した文字列を返す。
/**
* Parse doc block text.
*
* @param string $comment doc block comment
*/
function __construct($comment)
{
// normalise EOL
$regex = '/(?:\\r\\n|\\n|\\x0b|\\f|\\x85)/';
$comment = preg_replace($regex, EOL, $comment);
// remove doc block line starters
$regex = '#[ \\t]*(?:\\/\\*\\*|\\*\\/|\\*)?[ ]{0,1}(.*)?#';
$comment = trim(preg_replace($regex, '$1', $comment));
// parse out long and short descriptions & tags
// o short desc is first non blank line.
// o long desc follows
// o tags are preceded by an '@'
$short = $long = null;
$first_blank = false;
$tags = array();
$tag = new T_Pattern_Regex('/^\\@([a-z]+) *(.*)$/i');
foreach (explode(EOL, $comment) as $line) {
if (!$first_blank && strlen($line) == 0) {
$first_blank = true;
continue;
// skip line
}
if (!$first_blank) {
$short .= $line . EOL;
} elseif ($tag->isMatch($line)) {
$matches = $tag->getFirstMatch($line);
$name = strtolower($matches[1]);
if ($name) {
$content = mb_trim($matches[2]);
if (strcmp($name, 'param') === 0) {
$regex = new T_Pattern_Regex('/^([0-9a-z_]+(?:\\[\\])?) +\\$([0-9a-z_]+)( +.*)?$/i');
if ($regex->isMatch($content)) {
$match = $regex->getFirstMatch($content);
$desc = isset($match[3]) ? trim($match[3]) : null;
$tags[] = new T_Code_DocBlockParamTag($name, $match[1], $match[2], $desc);
}
} elseif (strcmp($name, 'return') === 0 || strcmp($name, 'var') === 0) {
$break = strpos($content, ' ');
if ($break === false) {
$type = $content;
$desc = null;
} else {
$type = mb_substr($content, 0, $break);
$desc = trim(mb_substr($content, $break + 1));
}
$tags[] = new T_Code_DocBlockTypeTag($name, $type, $desc);
} else {
$tags[] = new T_Code_DocBlockTag($name, $content);
}
}
} else {
$long .= $line . EOL;
}
}
$long = mb_trim($long, EOL);
$short = mb_rtrim($short, EOL);
if ($short) {
$this->short = $short;
}
if ($long) {
$this->long = $long;
}
$this->tags = $tags;
}
function testRtrimLinefeedMask()
{
$str = "Iñtërnâtiônàlizætiø\nø";
$trimmed = "Iñtërnâtiônàlizæti";
$this->assertSame(mb_rtrim($str, "ø\n"), $trimmed);
}