PHP determines whether an element appears in an array

In PHP, you can use the in_array() function to directly determine whether an element is in an array. If the element exists in the array, the in_array() function returns true, otherwise it returns false. This article mainly shares with you how to use PHP to determine whether an element appears in an array. I hope it can help you.

Syntax

in_array(search,array,type)

Note: Ifsearchparameter is a string, andtypeIf the parameter is set to true, the search is case-sensitive.

Since PHP 4.2, the search parameter may now also be an array

For example:

1. $arr=array("107","Website","Studio");

2. ##if(in_array("107",$arr)){

3. echo"Matching successful";

4. }else{

5. echo"Match failed";

6. }

##

1. ##$arr=array("107","Website","Studio");

2. ##if(in_array("Henan University",$arr)){

3. echo"Matching successful";

4. }

   else{

5. echo"Match failed";

6. }
   ##The running result is:

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