3v4l.org

run code in 300+ PHP versions simultaneously
<?php $users(array("firstName" => "Tom","lastName" => "Hanks"),array("firstName" => "Mary","lastName" => "Jones")); $firstNames = [foreach ($users as $user) yield $user->firstName];
Output for 5.4.0 - 5.4.11
Parse error: syntax error, unexpected 'foreach' (T_FOREACH), expecting ']' in /in/OVdJO on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.21
Parse error: syntax error, unexpected '[' in /in/OVdJO on line 3
Process exited with code 255.
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