基本上我有这个urlhttp://xxxxxxx.xxx/example.com/category-1sub-category-11/products.html我有这个字符串CCD_ 1，我想在字符串之前添加一个斜线，如下所示：http://xxxxx.xxx/example.com/category-1/sub-category-11/products.html.
$url = 'http://localhost/example.com/category-1sub-category-11/products.html';
$string = 'sub-category-11';
$new_url = preg_replace('/'b'.$string.''b/', '/'.$string, $url);
有什么帮助吗？非常感谢。
也许这。。。
$new_url = str_replace($string, '/' . $string, $url);
您可以将str_replace用于此目的。只需将类别-1替换为类别-1/
<?php
$url = 'http://localhost/example.com/category-1sub-category-11/products.html';
$string = 'category-1';
$new_url = str_replace($string, $string.'/', $url);
或具有/子类别-11 的子类别-11
<?php
$url = 'http://localhost/example.com/category-1sub-category-11/products.html';
$string = 'sub-category-11';
$new_url = str_replace($string, '/' . $string, $url);
希望这能帮助您