3v4l.org

run code in 300+ PHP versions simultaneously
<?php ob_start(function ($str) { ini_set('pcre.jit', '0'); return preg_replace_callback('~(.)\1{2}\K\1{27,}(?=\1{3})~', fn ($m) => '...' . (strlen($m[0]) + 6) . '*...', $str); }); $str = str_repeat('x', 65_540); $str2 = 'y' . $str; $expectedRes = [['v' => $str], ['v' => $str2]]; echo "expected:\n"; print_r($expectedRes); $sql = 'select v from ( select ? v union all select ? v ) t'; $mysqli = new \mysqli('localhost', 'atk4_test', 'XXXXX', 'atk4_test__data'); $stmt = $mysqli->prepare($sql); $stmt->bind_param('ss', $str, $str2); $stmt->execute(); $result = $stmt->get_result(); $row = $result->fetch_all(\MYSQLI_ASSOC); echo "\nactual using mysqli driver:\n"; print_r($row); var_dump($row === $expectedRes); // reproduce the same with pdo_mysql driver $pdo = new \PDO('mysql:host=127.0.0.1;dbname=atk4_test__data', 'atk4_test', 'XXXXX'); $stmt = $pdo->prepare($sql); $stmt->bindValue(1, $str); $stmt->bindValue(2, $str); $stmt->execute(); $res = $stmt->fetchAll(\PDO::FETCH_ASSOC); echo "\nactual using PDO driver:\n"; print_r($row); var_dump($row === $expectedRes);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.5.00.0130.01017.36
8.4.150.0170.00920.49
8.4.140.0300.01518.09
8.4.130.0350.01218.14
8.4.120.0330.01618.50
8.4.110.0410.01118.00
8.4.100.0420.01018.21
8.4.90.0380.01318.34
8.4.80.0380.01518.50
8.4.70.0420.01418.16
8.4.60.0370.00918.44
8.4.50.0410.01018.25
8.4.40.0390.01318.38
8.4.30.0380.01318.23
8.4.20.0410.01018.16
8.4.10.0430.00818.21
8.3.280.0330.01419.04
8.3.270.0390.01117.32
8.3.260.0380.01117.14
8.3.250.0330.01117.09
8.3.240.0400.00917.33
8.3.230.0370.01217.01
8.3.220.0300.01517.46
8.3.210.0340.01717.09
8.3.200.0400.00917.21
8.3.190.0340.01217.28
8.3.180.0340.01417.36
8.3.170.0390.00817.36
8.3.160.0380.01117.27
8.3.150.0390.01317.14
8.3.140.0360.01417.18
8.3.130.0340.01117.32
8.3.120.0360.01617.32
8.3.110.0370.00517.20
8.3.100.0420.00817.18
8.3.90.0430.01017.35
8.3.80.0370.01317.20
8.3.70.0370.01517.18
8.3.60.0320.01217.33
8.3.50.0390.00817.29
8.3.40.0390.01218.28
8.3.30.0350.01218.32
8.3.20.0250.01318.36
8.3.10.0290.01218.26
8.3.00.0180.01218.23
8.2.290.0300.01117.22
8.2.280.0300.01117.06
8.2.270.0320.01317.16
8.2.260.0270.01216.92
8.2.250.0310.01616.90
8.2.240.0340.00817.05
8.2.230.0230.01216.96
8.2.220.0280.01417.21
8.2.210.0280.01817.07
8.2.200.0290.01517.25
8.2.190.0330.01216.97
8.2.180.0270.01517.14
8.2.170.0320.01218.68
8.2.160.0320.00718.60
8.2.150.0290.01218.51
8.2.140.0290.01018.33
8.2.130.0360.00818.13
8.2.120.0270.01118.36
8.2.110.0350.00718.63
8.2.100.0280.01118.60
8.2.90.0280.01118.56
8.2.80.0300.01118.48
8.2.70.0370.00618.46
8.2.60.0290.01318.29
8.2.50.0260.01618.21
8.2.40.0320.00618.25
8.2.30.0340.01218.51
8.2.20.0290.01218.32
8.2.10.0310.01018.26
8.2.00.0320.01718.54
preferences:
28.93 ms | 403 KiB | 5 Q