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PHP Programing language

array_key() Function in PHP
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array_key()

The key() function returns the element key from the current internal pointer position and return false on error.

Syntax:
key(array)

In above syntax, "array" specifies the array to use

Example:

<?php
$vehicle = array("Car", "Scooter", "Motorcycle", "Truck");
echo "The key from the current position is: " .key($vehicle);
?>

Output:

The key from the current position is: 0

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