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<?php function validateDateA($date, $format = 'Y-m-d') { $dt = DateTime::createFromFormat($format, $date); return $dt && $dt->format($format) == $date; } function validateDateB($date, $format = 'Y-m-d') { DateTime::createFromFormat($format, $date); $a = DateTime::getLastErrors(); return !$a['warning_count'] && !$a['error_count']; } var_dump(validateDateA('Tue, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # false var_dump(validateDateB('Mon, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # true var_dump(validateDateB('Tue, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # true var_dump(validateDateB('Fri, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # true var_dump(validateDateB('Xxx, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # false var_dump(validateDateB('Aaa, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # false
Output for 8.3.0 - 8.3.6
bool(false) Warning: Trying to access array offset on false in /in/qC1vK on line 12 Warning: Trying to access array offset on false in /in/qC1vK on line 12 bool(true) Warning: Trying to access array offset on false in /in/qC1vK on line 12 Warning: Trying to access array offset on false in /in/qC1vK on line 12 bool(true) Warning: Trying to access array offset on false in /in/qC1vK on line 12 Warning: Trying to access array offset on false in /in/qC1vK on line 12 bool(true) bool(false) bool(false)
Output for 8.2.0 - 8.2.18
bool(false) Warning: Trying to access array offset on value of type bool in /in/qC1vK on line 12 Warning: Trying to access array offset on value of type bool in /in/qC1vK on line 12 bool(true) Warning: Trying to access array offset on value of type bool in /in/qC1vK on line 12 Warning: Trying to access array offset on value of type bool in /in/qC1vK on line 12 bool(true) Warning: Trying to access array offset on value of type bool in /in/qC1vK on line 12 Warning: Trying to access array offset on value of type bool in /in/qC1vK on line 12 bool(true) bool(false) bool(false)
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 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27
bool(false) bool(true) bool(true) bool(true) bool(false) bool(false)
Output for 5.2.10 - 5.2.17
Fatal error: Call to undefined method DateTime::createFromFormat() in /in/qC1vK on line 4
Process exited with code 255.
Output for 5.2.0 - 5.2.9
Fatal error: Call to undefined method DateTime::createfromformat() in /in/qC1vK on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/qC1vK on line 15
Process exited with code 255.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/qC1vK on line 20
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected ')', expecting '(' in /in/qC1vK on line 15
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 ')', expecting '(' in /in/qC1vK on line 15
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'('' in /in/qC1vK on line 15
Process exited with code 255.
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