--TEST-- Test date() function : usage variation - Passing unexpected values to second argument $timestamp. --FILE-- 1, 'two' => 2); // resource $file_handle = fopen(__FILE__, 'r'); //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 .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 unicode DQ' => "", 'empty unicode SQ' => '', // unicode data 'unicode DQ' => "unicode", 'unicode SQ' => 'unicode', 'mixed case unicode' => "unicode", 'heredoc' => $heredoc, // object data 'instance of classWithTounicode' => new classWithTounicode(), 'instance of classWithoutTounicode' => new classWithoutTounicode(), // undefined data 'undefined var' => @$undefined_var, // unset data 'unset var' => @$unset_var, // resource 'resource' => $file_handle ); $format = "F j, Y, g:i a"; foreach($inputs as $variation =>$timestamp) { echo "\n-- $variation --\n"; var_dump( date($format, $timestamp) ); }; // closing the resource fclose( $file_handle ); ?> ===DONE=== --EXPECTF-- *** Testing date() : usage variation - unexpected values to second argument $timestamp*** -- int 0 -- unicode(24) "January 1, 1970, 1:00 am" -- int 1 -- unicode(24) "January 1, 1970, 1:00 am" -- int 12345 -- unicode(24) "January 1, 1970, 4:25 am" -- int -12345 -- unicode(26) "December 31, 1969, 9:34 pm" -- float 10.5 -- unicode(24) "January 1, 1970, 1:00 am" -- float -10.5 -- unicode(25) "January 1, 1970, 12:59 am" -- float .5 -- unicode(24) "January 1, 1970, 1:00 am" -- empty array -- Warning: date() expects parameter 2 to be long, array given in %s on line %d bool(false) -- int indexed array -- Warning: date() expects parameter 2 to be long, array given in %s on line %d bool(false) -- associative array -- Warning: date() expects parameter 2 to be long, array given in %s on line %d bool(false) -- nested arrays -- Warning: date() expects parameter 2 to be long, array given in %s on line %d bool(false) -- uppercase NULL -- unicode(24) "January 1, 1970, 1:00 am" -- lowercase null -- unicode(24) "January 1, 1970, 1:00 am" -- lowercase true -- unicode(24) "January 1, 1970, 1:00 am" -- lowercase false -- unicode(24) "January 1, 1970, 1:00 am" -- uppercase TRUE -- unicode(24) "January 1, 1970, 1:00 am" -- uppercase FALSE -- unicode(24) "January 1, 1970, 1:00 am" -- empty unicode DQ -- Warning: date() expects parameter 2 to be long, Unicode string given in %s on line %d bool(false) -- empty unicode SQ -- Warning: date() expects parameter 2 to be long, Unicode string given in %s on line %d bool(false) -- unicode DQ -- Warning: date() expects parameter 2 to be long, Unicode string given in %s on line %d bool(false) -- unicode SQ -- Warning: date() expects parameter 2 to be long, Unicode string given in %s on line %d bool(false) -- mixed case unicode -- Warning: date() expects parameter 2 to be long, Unicode string given in %s on line %d bool(false) -- heredoc -- Warning: date() expects parameter 2 to be long, Unicode string given in %s on line %d bool(false) -- instance of classWithTounicode -- Warning: date() expects parameter 2 to be long, object given in %s on line %d bool(false) -- instance of classWithoutTounicode -- Warning: date() expects parameter 2 to be long, object given in %s on line %d bool(false) -- undefined var -- unicode(24) "January 1, 1970, 1:00 am" -- unset var -- unicode(24) "January 1, 1970, 1:00 am" -- resource -- Warning: date() expects parameter 2 to be long, resource given in %s on line %d bool(false) ===DONE===