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Bugs & Features
<?php var_dump(preg_match('^\\d{4}$', 2013));
Output for 4.3.11 - 7.2.0
Warning: preg_match(): No ending delimiter '^' found in /in/qYGrW on line 2 bool(false)
Output for 4.3.0 - 4.3.10
Warning: No ending delimiter '^' found in /in/qYGrW on line 2 bool(false)