substr_count() function in PHP

The substr_count() function is used to count the number of sub-strings.

Syntax

substr_count(str,substr,begin,len)

Parameters

• str − The string to check

• substr − The string to search for

• begin − Where to begin searching in the string

• len − The length of the search

Return

The substr_count() function returns the number of times substring occurs in the string.

Example

The following is an example −

<?php
   $str = 'This is our example!'; echo strlen($str);
   echo "\n"; echo substr_count($str, 'our');
?>

Output

20
1