PHP - Function array_search()

Syntax

array_search($value, $array [,$strict]);

The array_search() function search an array for a value and returns the key.

Sr.No	Parameter & Description
1	value(Required) It specifies a value to be searched.
2	array(Required) It specifies an array.
3	strict(Optional) If it is set to TRUE then the array_search() will also check the types of the search in the array.

Parameter & Description

value(Required)

It specifies a value to be searched.

array(Required)

It specifies an array.

strict(Optional)

If it is set to TRUE then the array_search() will also check the types of the search in the array.

It returns the key if it is found in the array, FALSE otherwise.

Try out following example −

<?php
   $input = array("a"=>"banana","b"=>"apple","c"=>"Mango");
   
   print_r(array_search("apple", $input));
?>

This will produce the following result −

php_function_reference.htm