stripos Function Knowledge Point Instance Sharing

php stripos () Function Syntax

Function: Find the first place in the string where a character appears, insensitive to case

Syntax:

stripos(string,find,start)

Parameters:

string required. Specifies the string to search for.

find Required. Specifies the characters to find.

start is optional. Specify where to start the search.

Description: Find the first occurrence of a string in another 1 string (case-insensitive). The stripos () function is case insensitive. This function is binary safe.

The php stripos () function uses example 1:

<?php
echo stripos("You love php, I love php too!","PHP")
?>

Output:

9

The php stripos () function uses example 2:

<?php
echo stripos("PHP is a good development language!","php");
?>

Output:

0

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