--TEST-- Test chunk_split() function : usage variations - with unexpected values for 'str' argument --FILE-- 'red', 'item' => 'pen'), // null data NULL, null, // boolean data true, false, TRUE, FALSE, // empty data "", '', // string data "string", 'string', // object data new MyClass(), // undefined data @$undefined_var, // unset data @$unset_var, // resource data $fp ); // loop through each element of the array for 'str' for($count = 0; $count < count($values); $count++) { echo "-- Iteration ".($count+1)." --\n"; var_dump( chunk_split($values[$count], $chunklen, $ending) ); }; echo "Done"; // close the resource fclose($fp); ?> --EXPECTF-- *** Testing chunk_split() : with unexpected values for 'str' argument *** -- Iteration 1 -- string(2) "0 " -- Iteration 2 -- string(2) "1 " -- Iteration 3 -- string(8) "12 34 5 " -- Iteration 4 -- string(8) "-2 34 5 " -- Iteration 5 -- string(6) "10 .5 " -- Iteration 6 -- string(8) "-1 0. 5 " -- Iteration 7 -- string(18) "10 50 00 00 00 00 " -- Iteration 8 -- string(11) "1. 06 E- 9 " -- Iteration 9 -- string(5) "0. 5 " -- Iteration 10 -- Notice: Array to string conversion in %s on line %d string(8) "Ar ra y " -- Iteration 11 -- Notice: Array to string conversion in %s on line %d string(8) "Ar ra y " -- Iteration 12 -- Notice: Array to string conversion in %s on line %d string(8) "Ar ra y " -- Iteration 13 -- Notice: Array to string conversion in %s on line %d string(8) "Ar ra y " -- Iteration 14 -- Notice: Array to string conversion in %s on line %d string(8) "Ar ra y " -- Iteration 15 -- string(1) " " -- Iteration 16 -- string(1) " " -- Iteration 17 -- string(2) "1 " -- Iteration 18 -- string(1) " " -- Iteration 19 -- string(2) "1 " -- Iteration 20 -- string(1) " " -- Iteration 21 -- string(1) " " -- Iteration 22 -- string(1) " " -- Iteration 23 -- string(9) "st ri ng " -- Iteration 24 -- string(9) "st ri ng " -- Iteration 25 -- string(9) "ob je ct " -- Iteration 26 -- string(1) " " -- Iteration 27 -- string(1) " " -- Iteration 28 -- string(%d) "Re so ur ce i d #%d " Done