3v4l.org

run code in 300+ PHP versions simultaneously
<?php $modes = [ 'r+', 'w', 'w+', 'a', 'a+', 'x', 'x+', 'c', 'c+', 'r+b', 'wb', 'w+b', 'ab', 'a+b', 'xb', 'x+b', 'cb', 'c+b', 'r+t', 'wt', 'w+t', 'at', 'a+t', 'xt', 'x+t', 'ct', 'c+t']; foreach($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 w+b w+b a+b a+b rb w+b rb w+b w+b w+b w+b a+b a+b rb w+b rb w+b w+b w+b w+b a+b a+b rb w+b rb w+b

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