substr_compare	substr_replace

	Last updated: Fri, 22 Jun 2007

substr_count

(PHP 4 , PHP 5)

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. Please note that needle is case sensitive.

例子 1. substr_count() example

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

add a note User Contributed Notes
substr_count

Jesse at bend dot com
09-Jan-2001 11:58

I am not certain why the above fellah is worried about case sensitivity,
ereg functions are mighty slow.. and if you need a case insensitive count,
try this:



substr_count(strtolower($haystack), strtolower($needle))

add a note

substr_compare	substr_replace

	Last updated: Fri, 22 Jun 2007

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