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run code in 150+ php & hhvm versions
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<?php $dt = \DateTime::createFromFormat('Y-m-d', $date); $dt->modify('first day of month'); echo $dt->format('Y-m-d');
Output for 7.0.0 - 7.1.0
Notice: Undefined variable: date in /in/AS0UX on line 2 Fatal error: Uncaught Error: Call to a member function modify() on boolean in /in/AS0UX:3 Stack trace: #0 {main} thrown in /in/AS0UX on line 3
Process exited with code 255.
Output for 5.6.0 - 5.6.28
Notice: Undefined variable: date in /in/AS0UX on line 2 Fatal error: Call to a member function modify() on boolean in /in/AS0UX on line 3
Process exited with code 255.
Output for 5.3.0 - 5.5.38
Notice: Undefined variable: date in /in/AS0UX on line 2 Fatal error: Call to a member function modify() on a non-object in /in/AS0UX on line 3
Process exited with code 255.
Output for 5.2.10 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/AS0UX on line 2 Fatal error: Call to undefined method DateTime::createFromFormat() in /in/AS0UX on line 2
Process exited with code 255.
Output for 5.2.0 - 5.2.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/AS0UX on line 2 Fatal error: Call to undefined method DateTime::createfromformat() in /in/AS0UX on line 2
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/AS0UX on line 2 Fatal error: Class 'DateTime' not found in /in/AS0UX on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/AS0UX on line 2 Fatal error: Undefined class name 'datetime' in /in/AS0UX 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/AS0UX on line 2 Fatal error: Undefined class name 'datetime' in /in/AS0UX on line 2