--TEST-- Test gmstrftime() function : usage variation - Passing unexpected values to first argument 'format'. --FILE-- 1, 'two' => 2); //array of values to iterate over $inputs = array( // int data 'int 0' => 0, 'int 1' => 1, 'int 12345' => 12345, 'int -12345' => -12345, // float data 'float 10.5' => 10.5, 'float -10.5' => -10.5, 'float 12.3456789000e10' => 12.3456789000e10, 'float -12.3456789000e10' => -12.3456789000e10, 'float .5' => .5, // array data 'empty array' => array(), 'int indexed array' => $index_array, 'associative array' => $assoc_array, 'nested arrays' => array('foo', $index_array, $assoc_array), // null data 'uppercase NULL' => NULL, 'lowercase null' => null, // boolean data 'lowercase true' => true, 'lowercase false' =>false, 'uppercase TRUE' =>TRUE, 'uppercase FALSE' =>FALSE, // empty data 'empty string DQ' => "", 'empty string SQ' => '', // object data 'instance of classWithToString' => new classWithToString(), 'instance of classWithoutToString' => new classWithoutToString(), // undefined data 'undefined var' => @$undefined_var, // unset data 'unset var' => @$unset_var, ); // loop through each element of the array for format foreach($inputs as $key =>$value) { echo "\n--$key--\n"; var_dump( gmstrftime($value) ); var_dump( gmstrftime($value, $timestamp) ); }; ?> ===DONE=== --EXPECTF-- *** Testing gmstrftime() : usage variation *** --int 0-- string(1) "0" string(1) "0" --int 1-- string(1) "1" string(1) "1" --int 12345-- string(5) "12345" string(5) "12345" --int -12345-- string(6) "-12345" string(6) "-12345" --float 10.5-- string(4) "10.5" string(4) "10.5" --float -10.5-- string(5) "-10.5" string(5) "-10.5" --float 12.3456789000e10-- string(12) "123456789000" string(12) "123456789000" --float -12.3456789000e10-- string(13) "-123456789000" string(13) "-123456789000" --float .5-- string(3) "0.5" string(3) "0.5" --empty array-- Warning: gmstrftime() expects parameter 1 to be string, array given in %s on line %d bool(false) Warning: gmstrftime() expects parameter 1 to be string, array given in %s on line %d bool(false) --int indexed array-- Warning: gmstrftime() expects parameter 1 to be string, array given in %s on line %d bool(false) Warning: gmstrftime() expects parameter 1 to be string, array given in %s on line %d bool(false) --associative array-- Warning: gmstrftime() expects parameter 1 to be string, array given in %s on line %d bool(false) Warning: gmstrftime() expects parameter 1 to be string, array given in %s on line %d bool(false) --nested arrays-- Warning: gmstrftime() expects parameter 1 to be string, array given in %s on line %d bool(false) Warning: gmstrftime() expects parameter 1 to be string, array given in %s on line %d bool(false) --uppercase NULL-- bool(false) bool(false) --lowercase null-- bool(false) bool(false) --lowercase true-- string(1) "1" string(1) "1" --lowercase false-- bool(false) bool(false) --uppercase TRUE-- string(1) "1" string(1) "1" --uppercase FALSE-- bool(false) bool(false) --empty string DQ-- bool(false) bool(false) --empty string SQ-- bool(false) bool(false) --instance of classWithToString-- string(14) "Class A object" string(14) "Class A object" --instance of classWithoutToString-- Warning: gmstrftime() expects parameter 1 to be string, object given in %s on line %d bool(false) Warning: gmstrftime() expects parameter 1 to be string, object given in %s on line %d bool(false) --undefined var-- bool(false) bool(false) --unset var-- bool(false) bool(false) ===DONE===