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<?php $date = new DateTime('2012-03-30'); $date->modify("last day of last month"); var_dump($date->format('Y-m-d')); // correctly last day of Feb $date->setDate(2012, 1, 30); var_dump($date->format('Y-m-d')); // incorrect date $date->modify('2012-01-30'); var_dump($date->format('Y-m-d')); // does set correct date
Output for 5.2.0 - 5.2.12, 5.6.19 - 5.6.40, 7.0.4 - 7.0.33, 7.1.0 - 7.1.27, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
string(10) "2012-02-29" string(10) "2012-01-30" string(10) "2012-01-30"
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(10) "2012-02-29" string(10) "2012-01-30" string(10) "2012-01-30"
Output for 5.3.6 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.18, 7.0.0 - 7.0.3
string(10) "2012-02-29" string(10) "2012-01-31" string(10) "2012-01-30"
Output for 5.3.0 - 5.3.5
string(10) "2012-02-29" string(10) "2012-01-31" string(10) "2012-01-31"
Output for 5.2.13 - 5.2.17
Warning: DateTime::modify(): Failed to parse time string (last day of last month) at position 9 (o): The timezone could not be found in the database in /in/ATGLp on line 4 string(10) "2012-03-30" string(10) "2012-01-30" string(10) "2012-01-30"
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/ATGLp on line 2
Process exited with code 255.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/ATGLp on line 11
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/ATGLp 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/ATGLp on line 2
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294.62 ms | 401 KiB | 432 Q