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run code in 150+ php & hhvm versions
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<?php namespace Foo; define('Foo\\true', false); if (true) { echo "TRUE"; } else { echo "FALSE!!!"; } true=false
Output for 5.3.0 - 5.4.21
Parse error: syntax error, unexpected '=' in /in/FXBsF on line 11
Process exited with code 255.