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run code in 200+ php & hhvm versions
Bugs & Features
<?php function getFirstWeekOfYear(\DateTime $date = null) { if(!$date){ $date = new \DateTime(); } return (new \DateTime())->setISODate((int)$date->format('o'), 1, $date->format('w')); } echo getFirstWeekOfYear(new \DateTime('2015-03-18'))->format('Y-m-d');
based on NWHOZ
Output for 5.4.0 - 7.2.0
2014-12-31
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/pmgZF on line 7
Process exited with code 255.
Output for 5.1.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/pmgZF on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/pmgZF on line 5 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/pmgZF on line 7 Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/pmgZF on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/pmgZF on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/pmgZF on line 5 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/pmgZF on line 7 Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/pmgZF on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/pmgZF on line 2 Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/pmgZF on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/pmgZF on line 2 Parse error: parse error, unexpected T_STRING, expecting ')' in /in/pmgZF on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/pmgZF on line 2 Parse error: parse error, expecting `')'' in /in/pmgZF on line 2
Process exited with code 255.