WordPress Shortcode – Compare Values

[compare val1="test" val2="test" operator="=="]
    List if the values is the same?
[/compare]
 
// Inside Profile Builder or WordPress Creation Kit you'll probably use it like so:
[compare val1="{{my-custom-field-2}}" val2="Yes" operator="=="]
    List if the values is the same?
[/compare]

/*
 * Compare shortcode. Tags: shortcode, compare,
 * Usage:
	[compare val1="test" val2="test" operator="=="]
		List if the values is the same?
	[/compare]
 */
add_shortcode( 'compare', 'wppbc_compare_shortcode' );
function wppbc_compare_shortcode( $atts, $content ){
	extract(
		$out = shortcode_atts(	array( 'val1' => '', 'val2' => '', 'operator' => ''), $atts )
	);
 
	// quick fix for WordPress bug: https://core.trac.wordpress.org/ticket/29658
	foreach($out as $key => $value){
		$out[$key] = str_replace('”', '', $value );
	}
 
	$l = $out['val1'];
	$r = $out['val2'];
 
	$operators = array(
		'=='    => create_function('$l, $r', 'return $l == $r;'),
		'==='   => create_function('$l, $r', 'return $l === $r;'),
		'!='    => create_function('$l, $r', 'return $l != $r;'),
		'<'     => create_function('$l, $r', 'return $l < $r;'),
		'>'     => create_function('$l, $r', 'return $l > $r;'),
		'<='    => create_function('$l, $r', 'return $l <= $r;'),
		'<='    => create_function('$l, $r', 'return $l <= $r;'),
		'>='    => create_function('$l, $r', 'return $l >= $r;'),
		''      => create_function('$l, $r', 'return $l == $r;'),
	);
	if ( !array_key_exists($out['operator'], $operators ) ){
		return '<p>The compare operator <strong style="padding:0 10px;">' . $out["operator"] . '</strong> is not recognized. Please try: == , ===, !=, <, >, <=, >=';
	}
 
	$bool = $operators[$out['operator']]($l, $r);
	if( $bool ) {
		return $content;
	}
}