3v4l.org

run code in 300+ PHP versions simultaneously
<?php $modes = [ 'r+', 'w', 'w+', 'a', 'a+', 'x', 'x+', 'c', 'c+', 'r+b', 'wb', 'w+b', 'ab', 'a+b', 'xb', 'x+b', 'cb', 'c+b']; foreach($modes as $mode) { $stream = fopen('php://memory', $mode); $stats = stream_get_meta_data($stream); echo $mode.': '.$stats['mode'].PHP_EOL; }
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
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
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
r+: w+b w: w+b w+: w+b a: w+b a+: w+b x: rb x+: w+b c: rb c+: w+b r+b: w+b wb: w+b w+b: w+b ab: w+b a+b: w+b xb: rb x+b: w+b cb: rb c+b: w+b
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/feLMl on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/feLMl on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/feLMl on line 3
Process exited with code 255.

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