php正则加亮关键字函数方法
正则加亮关键字
function highlight_words($str, $words, $color = '#FFFF00') {
if(is_array($words)) {
foreach($words as $k => $word) {
$pattern[$k] = "/\b($word)\b/is";
$replace[$k] = '<font style="background-color:'.$color.';">\\1</font>';
}
}
else {
$pattern = "/\b($words)\b/is";
$replace = '<font style="background-color:'.$color.';">\\1</font>';
}
return preg_replace($pattern,$replace,$str);
}
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