Full Concepts On array_keys() Function With 3 Coding Examples Prepared By Me Of Array Functions In PHP

Q1. What is meant by array_keys()?

Ans: array_keys() returns an array containing the keys.

Coding Example : 01 =>

<?php

$arrayName = array('name' => 'Ayan', 'age' => '28', 'gender' => 'male');

$arrkeys=array_keys($arrayName);

print_r($arrkeys);

?>

Output Of The Coding Example : 01 =>

Coding Example : 02 =>

<?php

$arrayName = array('Company Name' => 'Capgemini', 'Established Year' => '1967');

$arrkeys=array_keys($arrayName);

print_r($arrkeys);

?>

Output Of The Coding Example : 02 =>

Coding Example : 03 =>

<?php

$arrayName = array('Name of the cricketer' => 'M.S.Dhoni', 'Team' => 'India');

$arrkeys=array_keys($arrayName);

print_r($arrkeys);

?>

Output Of The Coding Example : 03 =>