OEmbed: move `_wp_oembed_get_object()` to `embed.php`, where all of the other embed functions live. `WP_oEmbed` is then in a file by itself. Load `class-oembed.php` in `wp-settings.php` and remove extraneous include calls.

See #37827.

Built from https://develop.svn.wordpress.org/trunk@38361


git-svn-id: http://core.svn.wordpress.org/trunk@38302 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-wp-press-this.php

@@ -479,7 +479,6 @@ class WP_Press_This {
 			// Embedded Daily Motion videos
 			$src = 'https://www.dailymotion.com/video/' . $src_matches[2];
 		} else {
-			require_once( ABSPATH . WPINC . '/class-oembed.php' );
 			$oembed = _wp_oembed_get_object();
 
 			if ( ! $oembed->get_provider( $src, array( 'discover' => false ) ) ) {

wp-includes/class-oembed.php

@@ -677,22 +677,3 @@ class WP_oEmbed {
 		return str_replace( $tokens, $pre, $stripped );
 	}
 }
-
-/**
- * Returns the initialized WP_oEmbed object.
- *
- * @since 2.9.0
- * @access private
- *
- * @staticvar WP_oEmbed $wp_oembed
- *
- * @return WP_oEmbed object.
- */
-function _wp_oembed_get_object() {
-	static $wp_oembed = null;
-
-	if ( is_null( $wp_oembed ) ) {
-		$wp_oembed = new WP_oEmbed();
-	}
-	return $wp_oembed;
-}

wp-includes/embed.php

@@ -94,11 +94,29 @@ function wp_embed_defaults( $url = '' ) {
  * @return false|string False on failure or the embed HTML on success.
  */
 function wp_oembed_get( $url, $args = '' ) {
-	require_once( ABSPATH . WPINC . '/class-oembed.php' );
 	$oembed = _wp_oembed_get_object();
 	return $oembed->get_html( $url, $args );
 }
 
+/**
+ * Returns the initialized WP_oEmbed object.
+ *
+ * @since 2.9.0
+ * @access private
+ *
+ * @staticvar WP_oEmbed $wp_oembed
+ *
+ * @return WP_oEmbed object.
+ */
+function _wp_oembed_get_object() {
+	static $wp_oembed = null;
+
+	if ( is_null( $wp_oembed ) ) {
+		$wp_oembed = new WP_oEmbed();
+	}
+	return $wp_oembed;
+}
+
 /**
  * Adds a URL format and oEmbed provider URL pair.
  *
@@ -112,8 +130,6 @@ function wp_oembed_get( $url, $args = '' ) {
  * @param boolean $regex    Optional. Whether the `$format` parameter is in a RegEx format. Default false.
  */
 function wp_oembed_add_provider( $format, $provider, $regex = false ) {
-	require_once( ABSPATH . WPINC . '/class-oembed.php' );
-
 	if ( did_action( 'plugins_loaded' ) ) {
 		$oembed = _wp_oembed_get_object();
 		$oembed->providers[$format] = array( $provider, $regex );
@@ -133,8 +149,6 @@ function wp_oembed_add_provider( $format, $provider, $regex = false ) {
  * @return bool Was the provider removed successfully?
  */
 function wp_oembed_remove_provider( $format ) {
-	require_once( ABSPATH . WPINC . '/class-oembed.php' );
-
 	if ( did_action( 'plugins_loaded' ) ) {
 		$oembed = _wp_oembed_get_object();
 
@@ -706,7 +720,6 @@ function wp_filter_oembed_result( $result, $data, $url ) {
 		return $result;
 	}
 
-	require_once( ABSPATH . WPINC . '/class-oembed.php' );
 	$wp_oembed = _wp_oembed_get_object();
 
 	// Don't modify the HTML for trusted providers.

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-alpha-38360';
+$wp_version = '4.7-alpha-38361';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.

wp-settings.php

@@ -191,6 +191,7 @@ require( ABSPATH . WPINC . '/canonical.php' );
 require( ABSPATH . WPINC . '/shortcodes.php' );
 require( ABSPATH . WPINC . '/embed.php' );
 require( ABSPATH . WPINC . '/class-wp-embed.php' );
+require( ABSPATH . WPINC . '/class-oembed.php' );
 require( ABSPATH . WPINC . '/class-wp-oembed-controller.php' );
 require( ABSPATH . WPINC . '/media.php' );
 require( ABSPATH . WPINC . '/http.php' );