PHP array_search() Function Usage and Example

PHP Array Function Manual

　The PHP array_search() function searches for a given value in an array and returns the first matching key name if successful.

Syntax

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

Definition and Usage

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

Parameter

Return Value

If it finds it in the array, it returns the key; otherwise, it returns FALSE.

If the value appears more than once in the array, it returns the first matching key. To return all matching keys, use array_keys() with an optional parameter search_value instead.

Online Example

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

Output Result:

b

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