Introduce an oembed_fetch_url filter to be applied before sending the request.

props Otto42, r-a-y. fixes #16996.



git-svn-id: http://core.svn.wordpress.org/trunk@21839 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-oembed.php

@@ -162,6 +162,8 @@ class WP_oEmbed {
 		$provider = add_query_arg( 'maxwidth', (int) $args['width'], $provider );
 		$provider = add_query_arg( 'maxheight', (int) $args['height'], $provider );
 		$provider = add_query_arg( 'url', urlencode($url), $provider );
+		
+		$provider = apply_filters( 'oembed_fetch_url', $provider, $args, $url );
 
 		foreach( array( 'json', 'xml' ) as $format ) {
 			$result = $this->_fetch_with_format( $provider, $format );