Only temporary, of course.

Returns the new temporary filename, or the FALSE string on failure.

当然只是暂时的 Um, only temporary, of course.

ע Due a limitation in the current Zend Engine it is not possible to pass a constant modifier like NULL directly as a parameter to a function which expects this parameter to be passed by reference. Instead use a temporary variable or an expression with the leftmost member being a temporary variable

蛁 Due a limitation in the current Zend Engine it is not possible to pass a constant modifier like NULL directly as a parameter to a function which expects this parameter to be passed by reference. Instead use a temporary variable or an expression with the leftmost member being a temporary variable

This example opens a temporary file and writes a test string to it, then prints out the contents of the file.

This example opens a temporary file and writes a test string to it, then it prints out the content of this file twice.

The temporary directory used for storing files when doing file upload. Must be writable by whatever user PHP is running as. If not specified PHP will use the system's default.

Alan Winters et al. Negotiating the Liberalization of the Temporary Movement of Natural Persons, Commonwealth Secretariat, March 2002. See also, UNU WIDER, Efficiency Gains from the Elimination of Global Restrictions on Labour Mobility, 2003.

蛁 This function's behavior changed in 4.0.3. The temporary file is also created to avoid a race condition where the file might appear in the filesystem between the time the string was generated and before the the script gets around to creating the file. Note, that you need to remove the file in case you need it no more, it is not done automatically.