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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(htmlspecialchars("a\x2665")); // string(0) ""
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.2.0
string(8) "a&amp;65"
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/irU6m on line 2
Process exited with code 255.