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Documented dumpFile #2592

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May 5, 2013
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Documented dumpFile #2592

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19 changes: 19 additions & 0 deletions components/filesystem.rst
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Expand Up @@ -227,6 +227,25 @@ isAbsolutePath returns true if the given path is absolute, false otherwise::
// return false
$fs->isAbsolutePath('../dir');

.. versionadded:: 2.3
``dumpFile`` is new in Symfony 2.3

dumpFile
~~~~~~~~

:method:`Symfony\\Component\\Filesystem\\Filesystem::dumpFile` allows you to
dump contents in a file. It does it in a atomic manner, that means it writes a
temporary file first and then moves that to the new place when it's finished.
This means the user does see either the old or the new state

.. code-block:: php

$fs->dumpFile('file.txt', 'Hello World');

The ``file.txt`` file contains ``Hello World`` now.

A desired file mode can be passed as third argument.

Error Handling
--------------

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