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String function Library: strncmp

Source: Internet
Author: User
Keywords PHP Chinese function Manual strncmp
Tags aliyun function function library html http php php chinese function manual returns
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strncmp

(PHP4 >= 4.0b4)

STRNCMP---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; String that specifies the number of characters

Syntax: int strncmp (String str1, string str2, int len)

Description:

This function is similar to strcmp (), and you can specify the number of characters you want to use to compare strings. If any string is shorter than Len, the length of that string is used to compare.

Returns a value less than 0 if the str1 is less than str2, and returns a value greater than 0 if the str1 is greater than str2, and returns 0 if the two strings are equal.

Note: The comparison of this function is case-sensitive

Reference: Ereg () strcasecmp () substr () Stristr () strcmp ()

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