WordPress.org

Make WordPress Core


Ignore:
File:
1 edited

Legend:

Unmodified
Added
Removed
  • branches/3.5/wp-includes/class-wp.php

    r22303 r23281  
    379379        if ( ! empty( $status ) )
    380380            status_header( $status );
     381
     382        // If Last-Modified is set to false, it should not be sent (no-cache situation).
     383        if ( isset( $headers['Last-Modified'] ) && false === $headers['Last-Modified'] ) {
     384            unset( $headers['Last-Modified'] );
     385
     386            // In PHP 5.3+, make sure we are not sending a Last-Modified header.
     387            if ( function_exists( 'header_remove' ) ) {
     388                @header_remove( 'Last-Modified' );
     389            } else {
     390                // In PHP 5.2, send an empty Last-Modified header, but only as a
     391                // last resort to override a header already sent. #WP23021
     392                foreach ( headers_list() as $header ) {
     393                    if ( 0 === stripos( $header, 'Last-Modified' ) ) {
     394                        $headers['Last-Modified'] = '';
     395                        break;
     396                    }
     397                }
     398            }
     399        }
     400
    381401        foreach( (array) $headers as $name => $field_value )
    382402            @header("{$name}: {$field_value}");
    383 
    384         if ( isset( $headers['Last-Modified'] ) && empty( $headers['Last-Modified'] ) && function_exists( 'header_remove' ) )
    385             @header_remove( 'Last-Modified' );
    386403
    387404        if ( $exit_required )
Note: See TracChangeset for help on using the changeset viewer.