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 $mode.': '.$stats['mode'].PHP_EOL; }
Output for git.master, git.master_jit, rfc.property-hooks
r+: w+b w: w+b w+: w+b a: a+b a+: a+b x: rb x+: w+b c: rb c+: w+b r+b: w+b wb: w+b w+b: w+b ab: a+b a+b: a+b xb: rb x+b: w+b cb: rb c+b: w+b r+t: w+b wt: w+b w+t: w+b at: a+b a+t: a+b xt: rb x+t: w+b ct: rb c+t: w+b

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