3v4l.org

run code in 500+ PHP versions simultaneously
<?php declare(strict_types=1); $file = new SplTempFileObject(); // write to file for ($i = 0; $i < 5; $i++) { $file->fwrite("line {$i}" . PHP_EOL); } // read from file $file->rewind(); while ($file->valid()) { echo $file->key(), ': ', $file->fgets(); }
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
0: line 0 1: line 1 2: line 2 3: line 3 4: line 4
Output for 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.18, 8.1.0 - 8.1.5
0: line 0 0: line 1 1: line 2 2: line 3 3: line 4
Output for 5.6.0
Warning: Unsupported declare 'strict_types' in /in/RHFfI on line 3 0: line 0 0: line 1 1: line 2 2: line 3 3: line 4
Output for 4.3.0
Fatal error: Cannot instantiate non-existent class: spltempfileobject in /in/RHFfI on line 5
preferences:
106.52 ms | 1257 KiB | 4 Q