Warning:preg_replace_callback():Modifier /e cannot be used with replacement callback

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Warning:preg_replace_callback():Modifier /e cannot be used with replacement callback
Warning:preg_replace_callback():Modifier /e cannot be used with replacement callback

Warning:preg_replace_callback():Modifier /e cannot be used with replacement callback
你要在 preg_replace_callback()第二个参数回调一个函数
例：
function my_callback($text){
return $text;
}
echo preg_replace_callback("\^[a-z]\",'my_callback',$text);