PHP stripos() Function

Example

Find the first occurrence of "php" in the string:

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

Run Example

Definition and Usage

The stripos() function finds the first occurrence of a string in another string (case-insensitive).

Note:The stripos() function is case-insensitive.

Note:This function is binary safe.

Related Functions:

  • strpos() - Find the first occurrence of a string in another string (case-sensitive)
  • strripos() - Find the last occurrence of a string in another string (case-insensitive)
  • strrpos() - Find the last occurrence of a string in another string (case-sensitive)

Syntax

stripos(string,find,start)
Parameters Description
string Required. Specifies the string to be searched.
find Required. Specifies the character to be searched for.
start Optional. Specifies the position to start the search.

Technical Details

Return Value:

Returns the position of the first occurrence of a string within another string, or FALSE if the string is not found.

Note:String positions start from 0, not from 1.

PHP Version: 5+