ZipArchive::isCompressionMethodSupported	ZipArchive::locateName

ZipArchive	Last updated: Mon, 26 Oct 2026

ZipArchive::isEncryptionMethodSupported

(PHP >= 8.0.0, PECL zip >= 1.19.0)

ZipArchive::isEncryptionMethodSupported — Check if a encryption method is supported by libzip

public static function ZipArchive::isEncryptionMethodSupported(int $method, bool $enc = true): bool

Check if a compression method is supported by libzip.

method: The encryption method, one of the ZipArchive::EM_* constants.
enc: If true check for encryption, else check for decryption.

Returns true on success or false on failure.

Note:
This function is only available if built against libzip ≥ 1.7.0.