3v4l.org

run code in 300+ PHP versions simultaneously
<?php class SerialDateTime extends DateTime implements JsonSerializable{ public function jsonSerialize(){ return ['timestamp' => $this->getTimestamp()]; } public static function createFromFormat(){ $a = call_user_func_array(array(__CLASS__ , 'parent::'.__METHOD__), func_get_args()); return new self($a->getTimestamp()); } } echo json_encode([SerialDateTime::createFromFormat('m/d/Y', '10/31/2011')]);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Declaration of SerialDateTime::createFromFormat() must be compatible with DateTime::createFromFormat(string $format, string $datetime, ?DateTimeZone $timezone = null): DateTime|false in /in/K4GNm on line 9
Process exited with code 255.
Output for 8.0.0 - 8.0.30
Fatal error: Declaration of SerialDateTime::createFromFormat() must be compatible with DateTime::createFromFormat(string $format, string $datetime, ?DateTimeZone $timezone = null) in /in/K4GNm on line 9
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Declaration of SerialDateTime::createFromFormat() should be compatible with DateTime::createFromFormat($format, $time, ?DateTimeZone $object = NULL) in /in/K4GNm on line 9 Warning: call_user_func_array() expects parameter 1 to be a valid callback, class 'parent::SerialDateTime' not found in /in/K4GNm on line 10 Fatal error: Uncaught Error: Call to a member function getTimestamp() on null in /in/K4GNm:11 Stack trace: #0 /in/K4GNm(15): SerialDateTime::createFromFormat('m/d/Y', '10/31/2011') #1 {main} thrown in /in/K4GNm on line 11
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Warning: Declaration of SerialDateTime::createFromFormat() should be compatible with DateTime::createFromFormat($format, $time, ?DateTimeZone $object = NULL) in /in/K4GNm on line 3 Warning: call_user_func_array() expects parameter 1 to be a valid callback, class 'parent::SerialDateTime' not found in /in/K4GNm on line 10 Fatal error: Uncaught Error: Call to a member function getTimestamp() on null in /in/K4GNm:11 Stack trace: #0 /in/K4GNm(15): SerialDateTime::createFromFormat('m/d/Y', '10/31/2011') #1 {main} thrown in /in/K4GNm on line 11
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
Warning: Declaration of SerialDateTime::createFromFormat() should be compatible with DateTime::createFromFormat($format, $time, $object = NULL) in /in/K4GNm on line 3 Warning: call_user_func_array() expects parameter 1 to be a valid callback, class 'parent::SerialDateTime' not found in /in/K4GNm on line 10 Fatal error: Uncaught Error: Call to a member function getTimestamp() on null in /in/K4GNm:11 Stack trace: #0 /in/K4GNm(15): SerialDateTime::createFromFormat('m/d/Y', '10/31/2011') #1 {main} thrown in /in/K4GNm on line 11
Process exited with code 255.
Output for 5.6.0 - 5.6.28
Strict Standards: Declaration of SerialDateTime::createFromFormat() should be compatible with DateTime::createFromFormat($format, $time, $object = NULL) in /in/K4GNm on line 3 Warning: call_user_func_array() expects parameter 1 to be a valid callback, class 'parent::SerialDateTime' not found in /in/K4GNm on line 10 Fatal error: Call to a member function getTimestamp() on null in /in/K4GNm on line 11
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.37
Strict Standards: Declaration of SerialDateTime::createFromFormat() should be compatible with DateTime::createFromFormat($format, $time, $object = NULL) in /in/K4GNm on line 3 Warning: call_user_func_array() expects parameter 1 to be a valid callback, class 'parent::SerialDateTime' not found in /in/K4GNm on line 10 Fatal error: Call to a member function getTimestamp() on a non-object in /in/K4GNm on line 11
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/K4GNm on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/K4GNm on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/K4GNm on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting '{' in /in/K4GNm on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/K4GNm on line 3
Process exited with code 255.
preferences:
244.3 ms | 401 KiB | 397 Q