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PHP: stripos() function

PHP: Find the first position of a case-insensitive substring in a string.

The stripos() function is used to determine the numeric position of the first occurrence of a string inside another string.

Version:

(PHP 5)

Syntax:

 stripos(main_string, search_string, start_position)

Parameters:

Name Description Required /
Optional		 Type
main_string Specifies the string to examined. Required String
search_string Specifies the string to search with. Required String
start_position Sets the starting position of the first string. Optional Integer

Return value:

The position.

Value Type: Integer.

Pictorial Presentation

php-string-stripos()

Example: 

<?php
echo stripos('W3RESOURCE.COM', 'W3');
?>

Output:

0

View the example in the browser

See also

PHP Function Reference

Previous: stripcslashes
Next: strlen



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https://w3resource.com/php/function-reference/stripos.php