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run code in 150+ php & hhvm versions
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<?php $a = "foo"; $b = "bar"; echo $a .(print("baz") && flush()) . $b.PHP_EOL;
Output for 4.3.10 - 4.4.9, 5.0.2 - 7.1.0
foo1bar
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/3CIbh on line 8 foo1barPHP_EOL