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<?php $filename = '1234_56_78 A_FAIRLY_SHORT_TITLE_D.pdf'; $m = preg_split('~ |_~', pathinfo($filename, PATHINFO_FILENAME)); $revision = array_pop($m); var_export([ 'project_no' => $m[0], 'series_no' => $m[1], 'sheet_no' => $m[2], 'title' => implode(' ', array_slice($m, 3)), 'revision' => $revision, ]);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 'project_no' => '1234', 'series_no' => '56', 'sheet_no' => '78', 'title' => 'A FAIRLY SHORT TITLE', 'revision' => 'D', )

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