echopreg_replace(array('/\d/','/\s/'),'*','xp 4 to', -1,$count); echo$count;//3 ?> 以上示例会输出: xp***to 3 注释 注意: 当使用数组形式的pattern和replacement时, 将会按照key在数组中出现的顺序进行处理. 这不一定和数组的索引顺序一致. 如果你期望使用索引对等方式用replacement对pattern...
echo preg_replace( $pattern, '$v1 . '$1\\' . $v2', $text)," Enclosed in single/single quotes. (Wrong! Extra slashes.)\\n"; echo preg_replace( $pattern, '$v1 . "$1" . $v2', $text)," Enclosed in single quotes. (Wrong! Dollar sign in text is interpreted as variable int...
可以使用一些PCRE修饰符, 包括'e'(PREG_REPLACE_EVAL), 可以为这个函数指定. replacement 用于替换的字符串或字符串数组. 如果这个参数是一个字符串, 并且pattern 是一个数组, 那么所有的模式都使用这个字符串进行替换. 如果pattern和replacement 都是数组, 每个pattern使用replacement中对应的 元素进行替换. 如果re...
Preg_match returns empty result trying to validate $subject with carriege returns (/n/r).To solve it one need to use /s modifier in $pattern string.<?php$pattern='/.*/s';$valid=preg_match($pattern, $subject, $match);?>up down 32 arash dot hemmat at gmail dot com ¶ 14 ...
present_with_all:foo,bar,...The field under validation must be present only if all of the other specified fields are present.prohibitedThe field under validation must be missing or empty. A field is "empty" if it meets one of the following criteria:...
Preg_match returns empty result trying to validate $subject with carriege returns (/n/r).To solve it one need to use /s modifier in $pattern string.<?php$pattern='/.*/s';$valid=preg_match($pattern, $subject, $match);?>up down 32 arash dot hemmat at gmail dot com ¶ 14 year...
If you work with named subpatterns and dont want to bother with unnamed match result entries and unmatched subpatterns, just replace preg_match() with named_preg_match(). This filters all unwanted stuff out.<?phpfunction named_preg_match(string $pattern , string $subject, array &$matches =...
parameter 2 : the first extention wich we want to replaceparameter 3 : the new extention of files for a simple usage call the function : changeext('dir', 'html', 'php', 'false');to change evry file name with extention html into php in the directory dir<?phpfunction changeext($...
echo "\\\"" . str_replace(",", "\\\",\"", $raw) . "\\\""; // Notice the single quotes and the lack of escaping with double backslash: echo '\"' . str_replace(",", '\",\"', $raw) . '\"'; 点击这里 (查看英文版本获取更加准确信息)...
// convert nnn; entities into characters $text = preg_replace('/&#([0-9])+;/', "chr('\\1')", $text); PHP 提供了几种在代码中包含注释的方法,所有这些方法都借鉴自现有的语言,如 C、C++和 Unix shell。一般来说,使用 C 风格的注释来注释掉代码,使用 C++风格的注释来注释解代码。 She...