php 批量替换html标签的实例代码_php技巧
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2022-04-21 17:12:34
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1.把html元素全部去掉,或者保留某几个html标签
结果为(去掉了注释):
function strip_only($str, $tags, $stripContent = false) {
$content = '';
if(!is_array($tags)) {
$tags = (strpos($str, '>') !== false ? explode('>', str_replace(' if(end($tags) == '') array_pop($tags);
}
foreach($tags as $tag) {
if ($stripContent)
$content = '(.+'.$tag.'[^>]*>|)';
$str = preg_replace('#?'.$tag.'[^>]*>'.$content.'#is', '', $str);
}
return $str;
}
复制代码 代码如下:
结果为(去掉了注释):
Test paragraph. Other text2.相反,只去掉某一个html标签Test paragraph.
Other text
复制代码 代码如下:
function strip_only($str, $tags, $stripContent = false) {
$content = '';
if(!is_array($tags)) {
$tags = (strpos($str, '>') !== false ? explode('>', str_replace(' if(end($tags) == '') array_pop($tags);
}
foreach($tags as $tag) {
if ($stripContent)
$content = '(.+'.$tag.'[^>]*>|)';
$str = preg_replace('#?'.$tag.'[^>]*>'.$content.'#is', '', $str);
}
return $str;
}
$str = 'red text';
$tags = 'font';
$a = strip_only($str, $tags); // red text
$b = strip_only($str, $tags, true); // text
?>