Array function library: In_array

Source: Internet
Author: User
Keywords in_array php Chinese function manual array function library
Tags aliyun array array function library example function function library http php

In_array

(PHP4)

In_array---Search for the existence of a value in the array

Syntax: BOOL In_array (mixed needle, array haystack);

Description:

This function searches the array haystack to see if the parameter needle exists in the array, returns true if found in the array, or returns FALSE.

Example:

<?php

&http://www.aliyun.com/zixun/aggregation/37954.html ">NBSP; $os = Array ("Mac", "NT", "Irix", "Linux");

if (In_array ("Irix", $os))

Print "Got Irix";
?>

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