jcasabona · October 2, 2020 14:33
diff --git a/keys.php b/keys.php
 <?php

 $a = array( 'joe' => 35,
     'phil' => 33,
 );

 echo $a[0]; //this will throw an error
 ?>

 <?php

 $a = array( 'joe' => 35,
 'phil' => 33,
 );

 $keys = array_keys($a);

 echo $a[$keys[0]]; //This will work. 
 ?>
	<?php

	$a = array( 'joe' => 35,
	'phil' => 33,
	);

	echo $a[0]; //this will throw an error
	?>

	<?php

	$a = array( 'joe' => 35,
	'phil' => 33,
	);

	$keys = array_keys($a);

	echo $a[$keys[0]]; //This will work.
	?>