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run code in 200+ PHP versions simultaneously
<?php $f = new SplFileObject('php://temp', 'w+'); $f->fwrite("line 1\nline 2\nline 3"); $f->rewind(); $f->next(); $f->next(); $f->next(); var_dump($f->current()); var_dump($f->key());
Output for 5.5.0 - 7.4.0
string(7) "line 1 " int(3)