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metasos 2005-11-10
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汗, 竟然没发现过这个函数, 挺不错的
颓废的老猫 2005-11-10
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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
?>
See also count_chars(), strpos(), substr(), and strstr().
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
?>
See also count_chars(), strpos(), substr(), and strstr().
