3v4l.org

run code in 500+ PHP versions simultaneously
<?php $file = new SplTempFileObject(); // write to file for ($i = 0; $i < 5; $i++) { $file->fwrite("line {$i}" . PHP_EOL); } $file->rewind(); $file->next(); $file->next(); // read third line var_dump($file->fgets()); // where am I? echo $file->key(), ': ', $file->current();
Output for 8.0.19 - 8.0.30, 8.1.6 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
string(7) "line 0 " 3: line 0
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.18, 8.1.0 - 8.1.5
string(7) "line 0 " 2: line 0

preferences:
88.51 ms | 1244 KiB | 4 Q