mb_substr_count Count the number of substring occurrences


mb_substr_count

(PHP 4 >= 4.3.0, PHP 5)

mb_substr_countCount the number of substring occurrences

说明

int mb_substr_count ( string $haystack , string $needle [, string $encoding ] )

Counts the number of times the needle substring occurs in the haystack string.

参数

haystack

The string being checked.

needle

The string being found.

encoding

encoding 参数为字符编码。如果省略,则使用内部字符编码。

返回值

The number of times the needle substring occurs in the haystack string.

范例

Example #1 mb_substr_count() example

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

参见


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