Online PHP editor | refs for Jlg6C

<?php function _empty($value) { return $value ? 'non_empty' : 'empty'; } function _empty_fix($value) { $value = is_numeric($value) ? floatval($value) : $value; return $value ? 'non_empty' : 'empty'; } echo "normal :\n"; echo "\n0 : ", _empty(0); echo "\n0.0 : ", _empty(0.0); echo "\n'0.0' : ", _empty("0.0"); echo "\n\nfix :\n"; echo "\n0 : ", _empty_fix(0); echo "\n0.0 : ", _empty_fix(0.0); echo "\n'0.0' : ", _empty_fix('0.0');