Modal Window Builder

modal.php

<?php
/**
 * Modal Window Builder
 */
function make_modal_builder( $atts, $content = null ) {
    
	extract( shortcode_atts( array(
		'launch' 	=> 'Launch Window',
		'title' 	=> 'Modal Title',
		'btn_class'	=> '',
		'embed'	=> ''
	), $atts ) );

	$number = mt_rand();
	$args = array( 
		'a' => array(
			'href' => array(),
			'title' => array()
		),
		'br' => array(),
		'em' => array(),
		'strong' => array(),
		'iframe' => array( 
			'src' => array(),
			'height' => array(),
			'border' => array(),
			'frameborder' => array(),
			'width' => array(),
			'allowfullscreen' => array(),
			)
	);
	$output = '<a class="btn  ' . esc_attr( $btn_class ) . '" data-toggle="modal" href="#modal-' . $number . '">' . esc_html( $launch ) . '</a>';
	$output .= '<div id="modal-' . $number . '" class="modal hide fade" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">';
	$output .= '	<div class="modal-header">';
	$output .= '		<button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>';
	$output .= '		<h3>' . esc_html( $title ) . '</h3>';
	$output .= '	</div>';
	$output .= '	<div class="modal-body">';
	$output .= ( !empty( $embed ) ) ? wpcom_vip_wp_oembed_get( esc_url( $embed ), array( 'width' => 530 ) ) : '';
	$output .= 			wp_kses( $content, $args );
	$output .= '	</div>';
	$output .= '	<div class="modal-footer">';
	$output .= '		<button class="btn" data-dismiss="modal" aria-hidden="true">Close</button>';
	$output .= '	</div>';
	$output .= '</div>';

	return $output;
}
add_shortcode( 'modal', 'make_modal_builder' );