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run code in 200+ php & hhvm versions
Bugs & Features
<?php \ var_dump(htmlspecialchars("'"));
Output for 5.3.0 - 7.1.7
string(1) "'"
Output for 4.3.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/FBfg5 on line 2 string(1) "'"