What is the purpose of the array_search() function in PHP?

To search for a value in an array
To sort the elements of an array
To filter the elements of an array
To count the number of elements in an array

The array_search() function in PHP is used to search for a specific value in an array and return the corresponding key if found. It performs a linear search through the array and returns the key of the first matching element or false if the value is not found. Learn more: http://php.net/manual/en/function.array-search.php

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