<?php $fp = fopen('/tmp/foo', 'wb'); var_dump(filesize('/tmp/foo')); fwrite($fp, '1'); fclose($fp); var_dump(filesize('/tmp/foo')); $file = new SplFileObject('/tmp/bar', 'wb'); var_dump(filesize('/tmp/bar')); $file->fwrite('1'); $file = null; var_dump(filesize('/tmp/bar'));
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