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run code in 150+ php & hhvm versions
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<?php $i = 0; while( i<5 ){ echo "this is a test"; i++; } ?>
Output for 5.4.27

Process exited with code 143.
Output for 5.4.0 - 5.4.21
Parse error: syntax error, unexpected '++' (T_INC) in /in/Ak3qr on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_INC in /in/Ak3qr on line 5
Process exited with code 255.