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<?php $range = "2008-2013"; $year = "2008"; $shite = "-2013"; $regex = "/^(\d{0,4}+(?:-\d{0,4}+)?)$/is"; $matches = array(array()); preg_match($regex, $range, $matches[$$range]); preg_match($regex, $year, $matches[1]); preg_match($regex, $shite, $matches[2]); print_r($matches); ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $2008-2013 in /in/R7Fh6 on line 10 Array ( [0] => Array ( ) [] => Array ( [0] => 2008-2013 [1] => 2008-2013 ) [1] => Array ( [0] => 2008 [1] => 2008 ) [2] => Array ( [0] => -2013 [1] => -2013 ) )
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: 2008-2013 in /in/R7Fh6 on line 10 Array ( [0] => Array ( ) [] => Array ( [0] => 2008-2013 [1] => 2008-2013 ) [1] => Array ( [0] => 2008 [1] => 2008 ) [2] => Array ( [0] => -2013 [1] => -2013 ) )
Output for 7.3.32 - 7.3.33, 7.4.26
Array ( [0] => Array ( ) [] => Array ( [0] => 2008-2013 [1] => 2008-2013 ) [1] => Array ( [0] => 2008 [1] => 2008 ) [2] => Array ( [0] => -2013 [1] => -2013 ) )
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: 2008-2013 in /in/R7Fh6 on line 10 Array ( [0] => Array ( ) [] => Array ( [0] => 2008-2013 [1] => 2008-2013 ) [1] => Array ( [0] => 2008 [1] => 2008 ) [2] => Array ( [0] => -2013 [1] => -2013 ) )

preferences:
266.78 ms | 403 KiB | 356 Q