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<?php $datetime = new DateTime(null, new DateTimeZone('UTC')); $datetime_2 = clone $datetime; $datetime_2->add(new DateInterval('PT2S')); var_dump($datetime < $datetime_2); var_dump($datetime->getTimestamp() < $datetime_2->getTimestamp()); $datetime_2->setTimezone(new DateTimeZone('EST')); var_dump($datetime < $datetime_2); var_dump($datetime->getTimestamp() < $datetime_2->getTimestamp()); // Now that `getTimestamp()` has been called, it'll "magically" work... var_dump($datetime < $datetime_2);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Deprecated: DateTime::__construct(): Passing null to parameter #1 ($datetime) of type string is deprecated in /in/WkjAA on line 3 bool(true) bool(true) bool(true) bool(true) bool(true)
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.9, 7.0.17 - 7.0.33, 7.1.3 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
bool(true) bool(true) bool(true) bool(true) bool(true)
Output for 5.5.10 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.16, 7.1.0 - 7.1.2
bool(true) bool(true) bool(false) bool(true) bool(true)
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined method DateTime::add() in /in/WkjAA on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/WkjAA on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_VARIABLE in /in/WkjAA on line 4
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_VARIABLE in /in/WkjAA on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/WkjAA on line 4
Process exited with code 255.
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