   #PHP Manual String functions substr_compare substr_replace

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                                 substr_count

   (PHP 4 )
   substr_count -- Count the number of substring occurrences

Description

   int substr_count ( string haystack, string needle)

   substr_count() returns the number of times the needle substring occurs
   in the haystack string.

   Example 1. substr_count() example
   <?php
   echo substr_count("This is a test", "is"); // prints out 2
   ?>

   See also count_chars(), strpos(), substr(), and strstr().
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