X-Git-Url: https://git.heureux-cyclage.org/?p=lhc%2Fweb%2Fwiklou.git;a=blobdiff_plain;f=includes%2FHeaderCallback.php;h=30cc7f9fd4c4713cec8e36136d876c35eb5e7cf8;hp=b2ca6733f6cd7c1d30e780bea2145fae613f5117;hb=aeea6c552032ceb7ee3b21a17556d90bb5764cdd;hpb=55043101b2a89ea1e811b6d35e415f57ed0bf41d

diff --git a/includes/HeaderCallback.php b/includes/HeaderCallback.php
index b2ca6733f6..30cc7f9fd4 100644
--- a/includes/HeaderCallback.php
+++ b/includes/HeaderCallback.php
@@ -2,6 +2,9 @@
 
 namespace MediaWiki;
 
+/**
+ * @since 1.29
+ */
 class HeaderCallback {
 	private static $headersSentException;
 	private static $messageSent = false;
@@ -10,6 +13,8 @@ class HeaderCallback {
 	 * Register a callback to be called when headers are sent. There can only
 	 * be one of these handlers active, so all relevant actions have to be in
 	 * here.
+	 *
+	 * @since 1.29
 	 */
 	public static function register() {
 		header_register_callback( [ __CLASS__, 'callback' ] );
@@ -17,13 +22,19 @@ class HeaderCallback {
 
 	/**
 	 * The callback, which is called by the transport
+	 *
+	 * @since 1.29
 	 */
 	public static function callback() {
 		// Prevent caching of responses with cookies (T127993)
 		$headers = [];
 		foreach ( headers_list() as $header ) {
-			list( $name, $value ) = explode( ':', $header, 2 );
-			$headers[strtolower( trim( $name ) )][] = trim( $value );
+			$header = explode( ':', $header, 2 );
+
+			// Note: The code below (currently) does not care about value-less headers
+			if ( isset( $header[1] ) ) {
+				$headers[ strtolower( trim( $header[0] ) ) ][] = trim( $header[1] );
+			}
 		}
 
 		if ( isset( $headers['set-cookie'] ) ) {
@@ -53,6 +64,8 @@ class HeaderCallback {
 	/**
 	 * Log a warning message if headers have already been sent. This can be
 	 * called before flushing the output.
+	 *
+	 * @since 1.29
 	 */
 	public static function warnIfHeadersSent() {
 		if ( headers_sent() && !self::$messageSent ) {