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run code in 200+ php & hhvm versions
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<?php print readfile('/proc/consoles'); print 'test2';
based on 5fveG
Output for 5.3.21 - 5.6.21, 7.0.0 - 7.2.0
tty0 -WU (EC p ) 4:1 41test2
Output for 5.6.28
tty0 -WU (EC p ) 4:7 41test2