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<?php /* Sample Dates : 1981-11-03, 2013-09-04 Expected Result : Difference : 31 years, 10 months, 1 days - See more at: */ class Calculate { public function diff_cal($day1, $day2) { $interval = date_diff($datetime1, $datetime2); return $interval; } } $cal = New Calculate; $cal->diff_cal('1981-11-03','2013-09-04');
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $datetime1 in /in/6eo3u on line 10 Warning: Undefined variable $datetime2 in /in/6eo3u on line 10 Fatal error: Uncaught TypeError: date_diff(): Argument #1 ($baseObject) must be of type DateTimeInterface, null given in /in/6eo3u:10 Stack trace: #0 /in/6eo3u(10): date_diff(NULL, NULL) #1 /in/6eo3u(16): Calculate->diff_cal('1981-11-03', '2013-09-04') #2 {main} thrown in /in/6eo3u on line 10
Process exited with code 255.
Output for 5.5.8 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: datetime1 in /in/6eo3u on line 10 Notice: Undefined variable: datetime2 in /in/6eo3u on line 10 Warning: date_diff() expects parameter 1 to be DateTimeInterface, null given in /in/6eo3u on line 10
Output for 7.3.32 - 7.3.33
Warning: date_diff() expects parameter 1 to be DateTimeInterface, null given in /in/6eo3u on line 10
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.7
Notice: Undefined variable: datetime1 in /in/6eo3u on line 10 Notice: Undefined variable: datetime2 in /in/6eo3u on line 10 Warning: date_diff() expects parameter 1 to be DateTime, null given in /in/6eo3u on line 10
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Fatal error: Call to undefined function date_diff() in /in/6eo3u on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/6eo3u on line 8
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 T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/6eo3u on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/6eo3u on line 8
Process exited with code 255.

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