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String function Library: strspn

Source: Internet
Author: User
Keywords PHP Chinese function Manual strspn
Tags aliyun find function function library html http php php chinese function manual
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Strspn

(PHP3 >= 3.0.3, PHP4)

STRSPN---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; To find the length of the first part.

Syntax: int strspn (String str1, String str2)

Description:

Returns the length of the original part of the STR1, which is completely composed of the characters in the str2.

Example:

<?php

STRSPN ("The answer, what is the question ...", "1234567890");

?>

The return result will be 2.

Reference: STRCSPN ()

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