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run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_match('/./', array())); // false var_dump(preg_match('/./', 1234567)); // int(1) ;;
Output for 4.3.3 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match() expects parameter 2 to be string, array given in /in/OVi5F on line 3 bool(false) int(1)
Output for hhvm-3.10.0 - 3.12.0
Warning: preg_match() expects parameter 2 to be string, array given in /in/OVi5F on line 3 NULL int(1)
Output for 4.3.0 - 4.3.2
Notice: Array to string conversion in /in/OVi5F on line 3 int(1) int(1)