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run code in 150+ php & hhvm versions
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<?php $hourStart = new DateTime("-1 hour"); $hourEnd = new DateTime(); $interval = new DateInterval("P0S"); $interval = $interval->add($hourEnd); $interval = $interval->sub($hourStart); $during = floatval($interval->format('%H')) + floatval($interval->format('%i')) /60 ; // R├ęsultat : float(2.5) echo $during."\n"; $myOperation = $during*10; // R├ęsultat float(I) echo $myOperation."\n"; echo (4.345+5.2);
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Exception: DateInterval::__construct(): Unknown or bad format (P0S) in /in/l0FZW:4 Stack trace: #0 /in/l0FZW(4): DateInterval->__construct('P0S') #1 {main} thrown in /in/l0FZW on line 4
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Uncaught exception 'Exception' with message 'DateInterval::__construct: Invalid interval (P0S)' in /in/l0FZW:4 Stack trace: #0 /in/l0FZW(4): DateInterval->__construct() #1 {main}
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.3.0 - 5.6.28
Fatal error: Uncaught exception 'Exception' with message 'DateInterval::__construct(): Unknown or bad format (P0S)' in /in/l0FZW:4 Stack trace: #0 /in/l0FZW(4): DateInterval->__construct('P0S') #1 {main} thrown in /in/l0FZW on line 4
Process exited with code 255.
Output for 5.2.0 - 5.2.17
Fatal error: Class 'DateInterval' not found in /in/l0FZW on line 4
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/l0FZW on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/l0FZW on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/l0FZW on line 2