Helper to pretty output variable

pre.php

function pre($var){
	$styles = [
		'display:block',
		'padding:1em',
		'margin:1em',
		'border-radius:3px',
		'font-size:14px',
		'font-family: monospace',
		'white-space: pre-wrap',
		'word-wrap: break-word',
		'overflow-x:auto',
		'color: #004267',
		'border:1px solid #00426733',
		'box-shadow: 0 1px 1px rgba(0,0,0,0.08)',
		'line-height:1.5em',
		'text-align:left',
		'white-space:pre',
		'overflow-x:auto',
		'background-image: linear-gradient(180deg, #eaeaea 50%, #fff 50%)', 
		'background-size: 100% 3em',  // Double the line height 
		'background-position: 0 1em;' // Offset by top padding
	];
	echo sprintf('<pre style="%s">%s</pre>', 
		implode(';', $styles),
		var_export($var, true)
	);
}