Dion Hulse 42ff945649 Decrease the chances that wp_tempnam() will conflict with an existing file by suffixing a random ID to the generated filename. ...

This also switches from using `touch()` to using `fopen( $file, 'x')` to ensure that we're the process creating the file.

Fixes #34562

Built from https://develop.svn.wordpress.org/trunk@35644


git-svn-id: http://core.svn.wordpress.org/trunk@35608 1a063a9b-81f0-0310-95a4-ce76da25c4cd

2015-11-16 05:33:25 +00:00

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