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run code in 200+ php & hhvm versions
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<?php function getLastMonth(DateTime $date) { //avoid side affects $date = clone $date; $date->modify('first day of last month'); return array( $date->format('Y-m-d'), $date->format('Y-m-t'), ); } list($start, $end) = getLastMonth(new \DateTime()); var_dump($start, $end);
Output for 5.3.0 - 7.2.0
string(10) "2013-10-01" string(10) "2013-10-31"
Output for 5.2.13 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/8v8C4 on line 13 Warning: DateTime::modify(): Failed to parse time string (first day of last month) at position 10 (o): The timezone could not be found in the database in /in/8v8C4 on line 6 string(10) "2013-11-12" string(10) "2013-11-30"
Output for 5.2.0 - 5.2.12
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/8v8C4 on line 13 string(10) "2013-10-13" string(10) "2013-10-31"
Output for 5.0.0 - 5.1.6
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/8v8C4 on line 13 Fatal error: Class 'DateTime' not found in /in/8v8C4 on line 13
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/8v8C4 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting ')' in /in/8v8C4 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/8v8C4 on line 2
Process exited with code 255.