Definition
The stristr() function searches for the first occurrence of a string inside another string.
Syntax
stristr(string, search, before_search)
Parameters
| Parameter | Description |
|---|---|
string |
Required. Specifies the string to search. |
search |
Required. Specifies the string to search for. If this parameter is a number, it will search for the character matching the ASCII value of the number. |
before_search |
Optional. A boolean value whose default is false. If set to true, it returns the part of the string before the first occurrence of the search parameter. |
Example
<?php
echo stristr("Welcome to PHP!", "PHP");
echo stristr("Welcome to PHP!", "PHP", true);