WP_Http_Encoding::decompress()public staticWP 2.8.0

Decompression 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.

Method of the class: WP_Http_Encoding{}

No Hooks.

Return

String|false. Decompressed string on success, false on failure.

Usage

$result = WP_Http_Encoding::decompress( $compressed, $length );
$compressed(string) (required)
String to decompress.
$length(int)
The optional length of the compressed data.
Default: null

Changelog

Since 2.8.0 Introduced.

WP_Http_Encoding::decompress() code WP 6.1.1

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;
}