3v4l.org

run code in 300+ PHP versions simultaneously
<?php function v1($data) { $start = 0; while (($stop = strpos($data, "\n", $start)) !== false) { $len = $stop-$start; if ($len > 0 && $data[$stop-1] === "\r") { $len -= 1; } $line = substr($data, $start, $len); if (isset($line[0]) && $line[0] === '.') { $line = '.' . $line; } //send $start = $stop + 1; } //last line $line = substr($data, $start); if (isset($line[0]) && $line[0] === '.') { $line = '.' . $line; } //send } $data = str_repeat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\r\n", 100000); v1($data);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6

preferences:
318.66 ms | 406 KiB | 459 Q