Strings
PHP Manual

strrchr

(PHP 4, PHP 5)

strrchr — Find the last occurrence of a character in a string

说明

string strrchr ( string $haystack , string $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

needle

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

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


Strings
PHP Manual