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run code in 150+ php & hhvm versions
Bugs & Features
<? php echo substr_compare("Hello World","and",6); ?>
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.4.0 - 5.4.17
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/nOCSe on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.29
<? php echo substr_compare("Hello World","and",6); ?>