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@ 2015-04-02T12:37:11Z

<?php

$modes = ['a', 'a+', 'w', 'w+', 'r+', 'x', 'x+', 'c', 'c+'];

foreach($modes as $mode) {
    $stream = fopen('php://memory', $mode);
    $stats = stream_get_meta_data($stream);
    echo $stats['mode'].PHP_EOL;
}

Output
Performance
VLD
References
Branches

stream_get_meta_data: documentation ( source)
fopen: documentation ( source)

preferences:dark modelive preview

78.43 ms | 402 KiB | 5 Q