function validExt ($fileName) { $ext = strtolower (strrchr ($fileName,'.')); if ($ext == '.jpg') { return true; } else { return false; } } // end function validExt function getImages() { $dirPath = 'images/'; if ($handle = @opendir ($dirPath)) { $imageData = array(); while ($fileName = readdir ($handle)) { if (is_file ($dirPath . $fileName) && validExt ($fileName)) { $imageData[] = $fileName; } } @closedir ($handle); return $imageData; } else { return false; } } // end function getImages $rotationFilenames = getImages(); $homeImageFilename = (is_array ($rotationFilenames)) ? $rotationFilenames [rand (0, count ($rotationFilenames) - 1)] : false; ?>
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if ($homeImageFilename) {
?>
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