mb_substr_count
(PHP 4 >= 4.3.0, PHP 5)
mb_substr_count — Count the number of substring occurrences
说明
int mb_substr_count
( string $haystack
, string $needle
[, string $encoding
] )
mb_substr_count() returns the number of times the needle substring occurs in the haystack string.
encoding specifies the encoding for needle and haystack . If omitted, internal character encoding is used.
Example#1 mb_substr_count() example
<?php
echo mb_substr_count("This is a test", "is"); // prints out 2
?>
See also substr_count(), mb_strpos(), mb_substr().
