我知道如何工作的功能在PHP,但我发现下面的代码,我不明白电话:功能没有名为php
功能($匹配)
它不应该是这样的:
功能NAME_OF_FUNCTION($匹配)
有人能解释一下吗?谢谢
// Nice little function that convert a string to uppercase by keeping the HTMLentities intact.
public static function strtoupper_entities($str) {
$patternMajEntities = '/(\&([A-Z])(ACUTE|CEDIL|CARON|CIRC|GRAVE|ORN|RING|SLASH|TH|TILDE|UML)\;)+/';
$str = preg_replace_callback ($patternMajEntities,
function ($matches) {
return "&" . $matches[2] . strtolower($matches[3]) . ";";
}, strtoupper($str));
return $str;
}