Commit 2d3435c1 authored by 王源's avatar 王源
Browse files

添加用替换字符串替换第一个出现的搜索字符串全局方法

parent 8d2272dc

src/functions.php

+20 −0
Original line number Original line Diff line number Diff line
@@ -759,6 +759,7 @@ if (!function_exists('mb_trim')) { 
     * 去除两边带全角空格的字符串

     * 去除两边带全角空格的字符串

     * @param $str

     * @param $str

     * @return string

     * @return string

     * @author zero

     */

     */

    function mb_trim($str)

    function mb_trim($str)

    {

    {
@@ -767,3 +768,22 @@ if (!function_exists('mb_trim')) { 
        return trim($str);

        return trim($str);

    }

    }

}

}



if (!function_exists('str_replace_once')) {

    /**

     * 用替换字符串替换第一个出现的搜索字符串

     * @param mixed $search 搜索字符串

     * @param mixed $replace 替换字符串

     * @param mixed $subject 被替换字符串

     * @return string

     * @author zero

     */

    function str_replace_first($search, $replace, $subject)

    {

        if (($position = strpos($subject, $search)) !== false) {

            $replaceLen = strlen($search);

            $subject = substr_replace($subject, $replace, $position, $replaceLen);

        }

        return $subject;

    }

}