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