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@ 2015-04-02T12:40:19Z

<?php

$modes = ['r', 'r+', 'rb', 'rb+'];

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

45.04 ms | 402 KiB | 5 Q