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run code in 300+ PHP versions simultaneously
<?php $array = ['foo'=>'bar']; //PHP5 style $message = isset($array['foo']) ? $array['foo'] : 'not set'; echo $message.PHP_EOL; //PHP7 style $message = $array['foo'] ?? 'not set'; echo $message.PHP_EOL;
Output for git.master, git.master_jit, rfc.property-hooks
bar bar

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