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<?php function getStartOfWeekDate($date = null) { if ($date instanceof \DateTime) { $date = clone $date; } else if (!$date) { $date = new \DateTime(); } else { $date = new \DateTime($date); } $date->setTime(0, 0, 0); if ($date->format('N') == 1) { // If the date is already a Monday, return it as-is return $date; } else { // Otherwise, return the date of the nearest Monday in the past // This includes Sunday in the previous week instead of it being the start of a new week return $date->modify('last monday'); } } echo getStartOfWeekDate(new \DateTime('2020-12-06'))->format('Y-m-d');
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
2020-11-30
Output for 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/6n50U on line 4 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/6n50U on line 7 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/6n50U on line 9 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/6n50U on line 24 Fatal error: Call to a member function format() on a non-object in /in/6n50U on line 24
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/6n50U on line 4 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/6n50U on line 7 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/6n50U on line 9 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/6n50U on line 24 Fatal error: Class 'DateTime' not found in /in/6n50U on line 24
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/6n50U 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_STRING in /in/6n50U on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/6n50U on line 4
Process exited with code 255.

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