get first key of array php
$firstKey = array_key_first($array);get first key of array php
$firstKey = array_key_first($array);get array first element key php
For PHP version 7 and above
$array = array(
"1" => "PHP code tester Sandbox Online",
"foo" => "bar",
"case" => "Random Stuff: " . rand(100,999),
"PHP Version" => phpversion()
);
$firstValue = reset($colors); // PHP code tester Sandbox Online
$firstKey = key($colors); // 1Copyright © 2021 Codeinu
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