3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d1 = new \DateTime('09:00:00'); $d2 = new \DateTime('10:00:00'); echo 'DateTime:'; echo ($d1 < $d2) ? 'nice' : 'why?'; echo PHP_EOL; $d1 = new \DateTimeImmutable('09:00:00'); $d2 = new \DateTimeImmutable('10:00:00'); echo 'DateTimeImmutable:'; echo ($d1 < $d2) ? 'nice' : 'why?'; echo PHP_EOL;
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 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, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
DateTime:nice DateTimeImmutable:nice
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
DateTime:nice Fatal error: Class 'DateTimeImmutable' not found in /in/a5I2X on line 9
Process exited with code 255.
Output for 5.2.2 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 9 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 10 DateTime:nice Fatal error: Class 'DateTimeImmutable' not found in /in/a5I2X on line 9
Process exited with code 255.
Output for 5.2.0 - 5.2.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 9 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 10 DateTime:why? Fatal error: Class 'DateTimeImmutable' not found in /in/a5I2X on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 9 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 10 Fatal error: Class 'DateTime' not found in /in/a5I2X on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 9 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 10 Fatal error: Cannot instantiate non-existent class: datetime in /in/a5I2X on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 9 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/a5I2X on line 10 Fatal error: Cannot instantiate non-existent class: datetime in /in/a5I2X on line 2
preferences:
191.06 ms | 402 KiB | 341 Q