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543 |
543 |
544 // Only set X-Pingback for single posts that allow pings. |
544 // Only set X-Pingback for single posts that allow pings. |
545 if ( $post && pings_open( $post ) ) { |
545 if ( $post && pings_open( $post ) ) { |
546 $headers['X-Pingback'] = get_bloginfo( 'pingback_url', 'display' ); |
546 $headers['X-Pingback'] = get_bloginfo( 'pingback_url', 'display' ); |
547 } |
547 } |
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548 |
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549 // Send nocache headers for password protected posts to avoid unwanted caching. |
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550 if ( ! empty( $post->post_password ) ) { |
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551 $headers = array_merge( $headers, wp_get_nocache_headers() ); |
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552 } |
548 } |
553 } |
549 |
554 |
550 /** |
555 /** |
551 * Filters the HTTP headers before they're sent to the browser. |
556 * Filters the HTTP headers before they're sent to the browser. |
552 * |
557 * |