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run code in 300+ PHP versions simultaneously
<?php $modes = ['w', 'a', 'x', 'c', 'wb', 'ab', 'xb', 'cb', 'wt', 'at', 'xt', 'ct']; foreach($modes as $mode) { $stream = fopen('php://memory', $mode); $stats = stream_get_meta_data($stream); echo $stats['mode'].PHP_EOL; }
Output for git.master, git.master_jit, rfc.property-hooks
w+b a+b rb rb w+b a+b rb rb w+b a+b rb rb

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