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# 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.

示範 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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