Get array first element key php

Php get first key of array

$colors = array(2=>"blue",3 =>"green",1=>"red");
$firstValue = reset($colors); //blue
$firstKey = key($colors); //2

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); // 1

-1

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