Debug_Display debugging to screen function

debug_display

<?php
/*
Based on debugging function found in CMS Made Simple http://www.cmsmadesimple.org/
Meant for use in WordPress (ability to only output to 'manage_options' users)
Pass in 'false' as section param to show to everyone.
*/
if (!function_exists('debug_display'))
{
	function debug_display($var, $admins=true, $title="", $echo_to_screen = true, $use_html = true)
	{
		if ($admins == true && !current_user_can('manage_options')) { return; }
		
		$titleText = "Debug: ";
		if($title)
		{
			$titleText = "Debug display of '$title':";
		}
		ob_start();
		
		if ($use_html)
		{
			echo "<p><b>$titleText</b><pre>\n";		
		}
		
		if(is_array($var))
		{
			echo "Number of elements: " . count($var) . "\n";
			print_r($var);
		}
		elseif(is_object($var))
		{
			print_r($var);
		}
		elseif(is_string($var))
		{
			print_r(htmlentities(str_replace("\t", ' ', $var)));
		}
		elseif(is_bool($var))
		{
			echo $var === true ? 'true' : 'false';
		}
		else
		{
			print_r($var);
		}
		
		if ($use_html)
		{
			echo "</pre></p>\n";
		}
		
		$output = ob_get_contents();
		ob_end_clean();
		
		if($echo_to_screen)
		{
			echo $output;
		}
		
		return $output;
	}
}
?>