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Description

Sends all the required HTTP Headers.

Usage

WPSEO_Sitemaps::send_headers();

Parameters

Returns

void

Source

File name: wordpress-seo/inc/sitemaps/class-sitemaps.php
Lines:

  private function send_headers() {
    if ( headers_sent() ) {
      return;
    }

    $headers = [
      $this->http_protocol . ' 200 OK' => 200,
      // Prevent the search engines from indexing the XML Sitemap.
      'X-Robots-Tag: noindex, follow'  => '',
      'Content-Type: text/xml; charset=' . esc_attr( $this->renderer->get_output_charset() ) => '',
    ];

    
/**
 * Filter the HTTP headers we send before an XML sitemap.
 *
 * @param array  $headers The HTTP headers we're going to send out.
 */
    $headers = apply_filters( 'wpseo_sitemap_http_headers', $headers );

    foreach ( $headers as $header => $status ) {
      if ( is_numeric( $status ) ) {
        header( $header, true, $status );
        continue;
      }
      header( $header, true );
    }
  }
 

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