Whether decompression and compression are supported by the PHP version.

Description

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.

Return

Source

public static function is_available() {
	return ( function_exists( 'gzuncompress' ) || function_exists( 'gzdeflate' ) || function_exists( 'gzinflate' ) );
}

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