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run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(mb_ereg_match("♥", "I ♥ PHP")); // should return true var_dump(mb_ereg_match("♥", "♥ PHP")); // PHP5.0-5.2;5.6b3-rc2;5.7@20140521...
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.2.17, 5.6.8 - 5.6.28, 7.0.0 - 7.1.0
bool(false) bool(true)
Output for 5.3.0 - 5.5.35, hhvm-3.12.0
bool(false) bool(false)
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/GMKiO on line 3
Process exited with code 255.
Output for 4.3.4 - 4.4.9
Warning: mb_ereg_match(): mbregex compile err: premature end of regular expression in /in/GMKiO on line 2 bool(false) Warning: mb_ereg_match(): mbregex compile err: premature end of regular expression in /in/GMKiO on line 3 bool(false)
Output for 4.3.2 - 4.3.3
Fatal error: Call to undefined function: mb_ereg_match() in /in/GMKiO on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mb_ereg_match() in /in/GMKiO on line 2