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: If search parameter is a string, and type If 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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