lukearmstrong · April 24, 2012 10:16
diff --git a/gistfile1.aw b/gistfile1.aw
 <?php

 $var = array();

 if (!empty($var)) {
  // This is wrong?
 }

 if ($var) {
  // This is better?
  // Sure, you get an error if it is undefined, but the $var could still be anything that equates to true, which is almost anything.
 }

 // In either case you still don't know that it is an array.
	<?php

	$var = array();

	if (!empty($var)) {
	// This is wrong?
	}

	if ($var) {
	// This is better?
	// Sure, you get an error if it is undefined, but the $var could still be anything that equates to true, which is almost anything.
	}

	// In either case you still don't know that it is an array.