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<?php function pathToNestedArray($path, $separator = "/") { // use DIRECTORY_SEPARATOR for greater utility $halves = explode($separator, $path, 2); // maximum explosion is 2 elements if (!isset($halves[1])) return [$path]; // no folder to nest into, append as indexed element (Done) return [$halves[0] => pathToNestedArray($halves[1])]; // apply level's key value and recurse } $paths = [ "fileZ.php", "folder1/content/file1.php", "folder1/content/file2.php", "folder1/edit/file1.php", "folder1/edit/file2.php", "folder1/pagination/file1.php", "folder1/pagination/file2.php", "folder1/toolbar/file1.php", "folder1/toolbar/file2.php", "folder2/cms/html/file1.php", "folder2/cms/html/file2.php" ]; $result = []; foreach ($paths as $path) { $result = array_merge_recursive($result, pathToNestedArray($path)); } var_export($result);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => 'fileZ.php', 'folder1' => array ( 'content' => array ( 0 => 'file1.php', 1 => 'file2.php', ), 'edit' => array ( 0 => 'file1.php', 1 => 'file2.php', ), 'pagination' => array ( 0 => 'file1.php', 1 => 'file2.php', ), 'toolbar' => array ( 0 => 'file1.php', 1 => 'file2.php', ), ), 'folder2' => array ( 'cms' => array ( 'html' => array ( 0 => 'file1.php', 1 => 'file2.php', ), ), ), )

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