wp core update 6.6
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@@ -48,7 +48,26 @@ $out = '';
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$wp_styles = new WP_Styles();
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wp_default_styles( $wp_styles );
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if ( isset( $_SERVER['HTTP_IF_NONE_MATCH'] ) && stripslashes( $_SERVER['HTTP_IF_NONE_MATCH'] ) === $wp_version ) {
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$etag = "WP:{$wp_version};";
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foreach ( $load as $handle ) {
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if ( ! array_key_exists( $handle, $wp_styles->registered ) ) {
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continue;
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}
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$ver = $wp_styles->registered[ $handle ]->ver ? $wp_styles->registered[ $handle ]->ver : $wp_version;
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$etag .= "{$handle}:{$ver};";
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}
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/*
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* This is not intended to be cryptographically secure, just a fast way to get
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* a fixed length string based on the script versions. As this file does not
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* load the full WordPress environment, it is not possible to use the salted
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* wp_hash() function.
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*/
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$etag = 'W/"' . md5( $etag ) . '"';
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if ( isset( $_SERVER['HTTP_IF_NONE_MATCH'] ) && stripslashes( $_SERVER['HTTP_IF_NONE_MATCH'] ) === $etag ) {
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header( "$protocol 304 Not Modified" );
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exit;
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}
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@@ -84,7 +103,7 @@ foreach ( $load as $handle ) {
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}
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}
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header( "Etag: $wp_version" );
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header( "Etag: $etag" );
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header( 'Content-Type: text/css; charset=UTF-8' );
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header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', time() + $expires_offset ) . ' GMT' );
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header( "Cache-Control: public, max-age=$expires_offset" );
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