<?php $ok_exts = array("jpg", "jpeg", "png", "gif", "bmp"); $file_check = strtolower('jpg'); if (in_array($file_check, $ok_exts)) { echo 'true'; } else { echo 'false'; } echo PHP_EOL; $file_check = strtolower('JPG'); if (in_array($file_check, $ok_exts)) { echo 'true'; } else { echo 'false'; } echo PHP_EOL; $file_check = strtolower('PDF'); if (in_array($file_check, $ok_exts)) { echo 'true'; } else { echo 'false'; } echo PHP_EOL;
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Value for `_results` contains invalid data `array`