PHP function strstr() that searches for the first occurrence of a string in another string

Example

Find the first occurrence of "world" in "Hello world!" and return the remainder of the string:

<?php
echo strstr("Hello world!","world");
?>

Definition and Usage

strstr() Function Search for the first occurrence of a string in another string.

Note: This function is binary safe.

Note: This function is case-sensitive. To perform a case-insensitive search, use the stristr() function.

Syntax

strstr(string,search,before_search)

Technical details

更多实例

实例 1

通过 "o" 的 ASCII 值搜索字符串，并返回字符串的剩余部分：

<?php
echo strstr("Hello world!",111);
?>

输出：

o world!

实例 2

返回 "world" 第一次出现之前的字符串部分：

<?php
echo strstr("Hello world!","world",true);
?>

例子

<?php
echo strstr("Hello world!","world");
?>

输出：

world!

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