String 函数
PHP 手册

strrchr

(PHP 4, PHP 5)

strrchrFind the last occurrence of a character in a string

说明

string strrchr ( string $haystack , mixed $needle )

This function returns the portion of haystack which starts at the last occurrence of needle and goes until the end of haystack .

参数

haystack

The string to search in

needle

If needle contains more than one character, only the first is used. This behavior is different from that of strstr().

If needle is not a string, it is converted to an integer and applied as the ordinal value of a character.

返回值

This function returns the portion of string, or FALSE if needle is not found.

更新日志

版本 说明
4.3.0 This function is now binary safe.

范例

Example #1 strrchr() example

<?php
// get last directory in $PATH
$dir substr(strrchr($PATH":"), 1);

// get everything after last newline
$text "Line 1\nLine 2\nLine 3";
$last substr(strrchr($text10), );
?>

注释

Note: 本函数可安全用于二进制对象。

参见


String 函数
PHP 手册