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run code in 300+ PHP versions simultaneously
<?php class foo { var $bar = 'I am bar.'; } $foo = new foo(); $bar = 'bar'; $baz = array('foo', 'bar', 'baz', 'quux'); echo "{$foo->$bar}\n"; echo "{$foo->{$baz[1]}}\n";
Output for git.master, git.master_jit, rfc.property-hooks
I am bar. I am bar.

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