The Array_search function in PHP finds the method of specifying the value of an array

This article mainly introduces PHP in the array to find the specified value of the method, the example analysis of PHP Array_search function to find the value of the array of the use of the skills, with a certain reference value, the need for friends can refer to the next

This example describes how PHP looks for a specified value in an array. Specific as follows:

PHP has two functions to determine whether the array contains the specified values, namely: Array_search ($value, $array) and In_array ($value, $array), Array_search can find out where the specified value appears in the array , the In_array function only determines if the specified value exists in the array and returns the BOOL value

<?php $array = Array ("Perl", "PHP", "Java", "PHP");p rint ("Search 1:". Array_search ("PHP", $array). " \ n ");p rint (" Search 2: ". Array_search (" Perl ", $array)." \ n ");p rint (" Search 3: ". Array_search (" C # ", $array)." \ n ");p rint (" \ n ");? >

The output is as follows

Search 1:1search 2:0search 3:

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