Php/docs/ziparchive.iscompressionmethoddupported

• PHP Manual
• ZipArchive
• Check if a compression method is supported by libzip

ZipArchive::isCompressionMethodSupported

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

ZipArchive::isCompressionMethodSupported — Check if a compression method is supported by libzip

说明

public ZipArchive::isCompressionMethodSupported ( int $method [, bool $encode = true ] ) : bool

Check if a compression method is supported by libzip.

参数

method

The compression method, one of the ZipArchive::CM_* constants.

encode

If true check for compression, else check for decompression.

返回值

成功时返回 true， 或者在失败时返回 false。

注释

Note:

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

参见

• ZipArchive::setCompressionIndex() - Set the compression method of an entry defined by its index
• ZipArchive::setCompressionName() - Set the compression method of an entry defined by its name