PHP Functions Essential Reference

substr_count

int substr_count(string string, string substring) 

Counts the occurrences of a string within another string.

Returns:

Integer

Description:

substr_count() counts the number of times that substring occurs within string . If substring doesn’t occur within string, the function returns 0.

Version:

PHP 4+ since 4.0RC2

See also:

To get detailed statistics on the characters used in a string:

count_chars() 

Example:

Simple script to test for “Canadian-ness” in a string

<?php // Don't get yer long-undies in a knot - the author is a Canuck! :) // Set a default value for message $message = ''; // If a message was posted, clean it up if (isset ($HTTP_POST_VARS['message'])) $message = striptags (stripslashes (trim ($HTTP_POST_VARS['message']))); ...