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This document uses PHP Chinese website manual Release
(PHP >= 5.3.0, PECL phar >= 2.0.0)
PharData::isWritable — Returns true if the tar/zip archive can be modified
This method returns TRUE
if the tar/zip archive on disk is not read-only.
Unlike Phar::isWritable() , data-only tar/zip archives
can be modified even if phar.readonly is set to 1.
No parameters.
Returns TRUE
if the tar/zip archive can be modified