--TEST-- Test strtr() function : usage variations - unexpected inputs for all arguments --FILE-- 'red', 'item' => 'pen'), // boolean values true, false, TRUE, FALSE, // null vlaues NULL, null, // objects new sample(), // resource $file_handle, // undefined variable @$undefined_var, // unset variable @$unset_var ); // loop through with each element of the $values array to test strtr() function $count = 1; for($index = 0; $index < count($values); $index++) { echo "\n-- Iteration $count --\n"; var_dump( strtr($values[$index], $values[$index], $values[$index]) ); //fn call with three args var_dump( strtr($values[$index], $values[$index]) ); //fn call with two args $count ++; } fclose($file_handle); //closing the file handle echo "*** Done ***"; ?> --EXPECTF-- *** Testing strtr() function: with unexpected inputs for all arguments *** -- Iteration 1 -- string(1) "0" Warning: strtr(): The second argument is not an array in %s on line %d bool(false) -- Iteration 2 -- string(1) "1" Warning: strtr(): The second argument is not an array in %s on line %d bool(false) -- Iteration 3 -- string(2) "-2" Warning: strtr(): The second argument is not an array in %s on line %d bool(false) -- Iteration 4 -- string(4) "10.5" Warning: strtr(): The second argument is not an array in %s on line %d bool(false) -- Iteration 5 -- string(5) "-20.5" Warning: strtr(): The second argument is not an array in %s on line %d bool(false) -- Iteration 6 -- string(12) "105000000000" Warning: strtr(): The second argument is not an array in %s on line %d bool(false) -- Iteration 7 -- Notice: Array to string conversion in %s on line %d Notice: Array to string conversion in %s on line %d Notice: Array to string conversion in %s on line %d string(5) "Array" Notice: Array to string conversion in %s on line %d string(5) "Array" -- Iteration 8 -- Notice: Array to string conversion in %s on line %d Notice: Array to string conversion in %s on line %d Notice: Array to string conversion in %s on line %d string(5) "Array" Notice: Array to string conversion in %s on line %d string(5) "Array" -- Iteration 9 -- Notice: Array to string conversion in %s on line %d Notice: Array to string conversion in %s on line %d Notice: Array to string conversion in %s on line %d string(5) "Array" Notice: Array to string conversion in %s on line %d string(5) "Array" -- Iteration 10 -- Notice: Array to string conversion in %s on line %d Notice: Array to string conversion in %s on line %d Notice: Array to string conversion in %s on line %d string(5) "Array" Notice: Array to string conversion in %s on line %d string(5) "Array" -- Iteration 11 -- Notice: Array to string conversion in %s on line %d Notice: Array to string conversion in %s on line %d Notice: Array to string conversion in %s on line %d string(5) "Array" Notice: Array to string conversion in %s on line %d string(5) "Array" -- Iteration 12 -- string(1) "1" Warning: strtr(): The second argument is not an array in %s on line %d bool(false) -- Iteration 13 -- string(0) "" Warning: strtr(): The second argument is not an array in %s on line %d bool(false) -- Iteration 14 -- string(1) "1" Warning: strtr(): The second argument is not an array in %s on line %d bool(false) -- Iteration 15 -- string(0) "" Warning: strtr(): The second argument is not an array in %s on line %d bool(false) -- Iteration 16 -- string(0) "" Warning: strtr(): The second argument is not an array in %s on line %d bool(false) -- Iteration 17 -- string(0) "" Warning: strtr(): The second argument is not an array in %s on line %d bool(false) -- Iteration 18 -- string(13) "sample object" Warning: strtr(): The second argument is not an array in %s on line %d bool(false) -- Iteration 19 -- string(%d) "Resource id #%d" Warning: strtr(): The second argument is not an array in %s on line %d bool(false) -- Iteration 20 -- string(0) "" Warning: strtr(): The second argument is not an array in %s on line %d bool(false) -- Iteration 21 -- string(0) "" Warning: strtr(): The second argument is not an array in %s on line %d bool(false) *** Done ***