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run code in 150+ php & hhvm versions
Bugs & Features
<?php $tzs = array( 'Europe/London', 'America/New_York', 'America/Costa_Rica', ); foreach ( $tzs as $tz ) { preg_match('/([[:alpha:]\/]{3,30})(?!.*([[:alpha:]\/]{3,30}))/', $tz, $match); echo $match[0].PHP_EOL; }
Output for 4.3.10 - 4.4.9, 5.0.2 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Europe/London York Rica
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fvROt on line 9 Europe/LondonPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fvROt on line 9 YorkPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/fvROt on line 9 RicaPHP_EOL