Shortcodes: Add new `strip_shortcodes_tagnames` filter.

With the new `strip_shortcodes_tagnames` filter you can specify which shortcodes are stripped by `strip_shortcodes()`. The default is all registered shortcodes.

Props DylanAuty, orvils, swissspidy.
Fixes #37767.


Built from https://develop.svn.wordpress.org/trunk@38877


git-svn-id: http://core.svn.wordpress.org/trunk@38820 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/shortcodes.php

@@ -605,7 +605,20 @@ function strip_shortcodes( $content ) {
 
 	// Find all registered tag names in $content.
 	preg_match_all( '@\[([^<>&/\[\]\x00-\x20=]++)@', $content, $matches );
-	$tagnames = array_intersect( array_keys( $shortcode_tags ), $matches[1] );
+
+	$tags_to_remove = array_keys( $shortcode_tags );
+
+	/**
+	 * Filters the list of shortcode tags to remove from the content.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array  $tag_array Array of shortcode tags to remove.
+	 * @param string $content   Content shortcodes are being removed from.
+	 */
+	$tags_to_remove = apply_filters( 'strip_shortcodes_tagnames', $tags_to_remove, $content );
+
+	$tagnames = array_intersect( $tags_to_remove, $matches[1] );
 
 	if ( empty( $tagnames ) ) {
 		return $content;

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-alpha-38876';
+$wp_version = '4.7-alpha-38877';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.