3v4l.org

run code in 300+ PHP versions simultaneously
<?php $stream = fopen('php://temp', 'r+'); fwrite($stream, ''); fseek($stream, 0); var_dump($stream); $contents = json_decode('', true); if (json_last_error() != JSON_ERROR_NONE) { echo 'oh no'; } var_dump($contents);

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50.32 ms | 402 KiB | 5 Q