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<?php |
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/* |
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Plugin Name: iframe |
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Plugin URI: http://wordpress.org/plugins/iframe/ |
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Description: [iframe src="http://www.youtube.com/embed/dUpTjDqjQoo" width="100%" height="500"] shortcode |
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Version: 5.0 |
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Author: webvitaly |
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Author URI: http://web-profile.net/wordpress/plugins/ |
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License: GPLv3 |
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*/ |
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|
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if ( ! defined( 'ABSPATH' ) ) { // Avoid direct calls to this file and prevent full path disclosure |
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exit; |
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} |
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|
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define('IFRAME_PLUGIN_VERSION', '5.0'); |
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|
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function iframe_plugin_add_shortcode_cb( $atts ) { |
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$defaults = array( |
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'src' => 'http://www.youtube.com/embed/dUpTjDqjQoo', |
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'width' => '100%', |
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'height' => '500', |
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'scrolling' => 'yes', |
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'class' => 'iframe-class', |
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'frameborder' => '0' |
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); |
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|
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$allowed_tags = array( |
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'h1' => array(), |
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'h2' => array(), |
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'h3' => array(), |
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'h4' => array(), |
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'h5' => array(), |
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'h6' => array(), |
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'p' => array(), |
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'a' => array( |
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'href' => true, |
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'title' => true, |
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), |
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'br' => array(), |
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'em' => array(), |
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'strong' => array() |
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); |
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|
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if ( ! is_array( $atts ) ) { |
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$atts = array(); |
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} |
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|
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foreach ( $defaults as $default => $value ) { // add defaults |
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if ( ! @array_key_exists( $default, $atts ) ) { // mute warning with "@" when no params at all |
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$atts[$default] = $value; |
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} |
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} |
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|
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$html = "\n".'<!-- iframe plugin v.'.IFRAME_PLUGIN_VERSION.' wordpress.org/plugins/iframe/ -->'."\n"; |
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$html .= '<iframe'; |
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foreach( $atts as $attr => $value ) { |
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if ( strtolower($attr) == 'src' ) { // sanitize url |
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$value = esc_url( $value ); |
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} |
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if ( strtolower($attr) == 'srcdoc' ) { // sanitize html |
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$value = htmlspecialchars_decode( $value ); |
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$value = wp_kses( $value, $allowed_tags ); |
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$value = esc_html( $value ); |
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} |
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// Remove all attributes starting with "on". Examples: onload, onmouseover, onfocus, onpageshow, onclick |
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if ( strpos( strtolower( $attr ), 'on' ) !== 0 ) { |
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if ( $value != '' ) { // adding all attributes |
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$html .= ' ' . esc_attr( $attr ) . '="' . esc_attr( $value ) . '"'; |
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} else { // adding empty attributes |
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$html .= ' ' . esc_attr( $attr ); |
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} |
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} |
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} |
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$html .= '></iframe>'."\n"; |
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|
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if ( isset( $atts["same_height_as"] ) ) { |
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$html .= ' |
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<script> |
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document.addEventListener("DOMContentLoaded", function(){ |
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var target_element, iframe_element; |
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iframe_element = document.querySelector("iframe.' . esc_attr( $atts["class"] ) . '"); |
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target_element = document.querySelector("' . esc_attr( $atts["same_height_as"] ) . '"); |
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iframe_element.style.height = target_element.offsetHeight + "px"; |
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}); |
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</script> |
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'; |
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} |
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|
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return $html; |
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} |
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add_shortcode( 'iframe', 'iframe_plugin_add_shortcode_cb' ); |
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|
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|
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function iframe_plugin_row_meta_cb( $links, $file ) { |
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if ( $file == plugin_basename( __FILE__ ) ) { |
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$row_meta = array( |
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'support' => '<a href="http://web-profile.net/wordpress/plugins/iframe/" target="_blank">' . __( 'Iframe', 'iframe' ) . '</a>', |
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'donate' => '<a href="http://web-profile.net/donate/" target="_blank">' . __( 'Donate', 'iframe' ) . '</a>', |
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'pro' => '<a href="https://1.envato.market/Ym5aq" target="_blank">' . __( 'Advanced iFrame Pro', 'iframe' ) . '</a>' |
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); |
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$links = array_merge( $links, $row_meta ); |
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} |
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return (array) $links; |
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} |
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add_filter( 'plugin_row_meta', 'iframe_plugin_row_meta_cb', 10, 2 ); |
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|
