3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('Foo\\true', false); if (true) { echo "TRUE"; } else { echo "FALSE!!!"; } namespace Foo; if (true) { echo "TRUE"; } else { echo "FALSE!!!"; }
Output for 5.3.0 - 5.3.21, 5.4.0 - 5.4.11
Fatal error: Namespace declaration statement has to be the very first statement in the script in X25fv on line 10
Process exited with code 255.
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