3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_start(); if ((!isset($_SESSION["username"]) && !isset($_SESSION["s1"]) && !isset($_SESSION["s2"]) && !isset($_SESSION["firstrun"])) ) { //&& empty($_REQUEST["username"] && empty($_REQUEST["s1"]) && empty($_REQUEST["username"])) { header("Location: input.php"); exit; } else if (isset($_SESSION["username"]) && isset($_SESSION["s1"]) && isset($_SESSION["s2"]) && ($_SESSION["username"] != "") && ($_SESSION["s1"] != "") && ($_SESSION["s2"] != "") && ($_SESSION["firstrun"] == "false") && empty($_POST)) { header("Location: strings.php"); exit; } else { if (!empty($_REQUEST)) { $username = htmlspecialchars($_REQUEST["username"]); $s1 = htmlspecialchars($_REQUEST["s1"]); $s2 = htmlspecialchars($_REQUEST["s2"]); if ($username != "" && $s1 != "" && $s2 != "") { $_SESSION["username"] = $username; // implicit call to session_start() if not already called $_SESSION["s1"] = $s1; // call session_name() first to start named session $_SESSION["s2"] = $s2; //echo "Vars are".$_SESSION["username"].$_SESSION["s1"].$_SESSION["s2"]; if (isset($_SESSION["username"]) && isset($_SESSION["s1"]) && isset($_SESSION["s2"])) { $_SESSION["firstrun"] = "false"; echo "true"; } } } } ?>

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)
8.3.60.0040.01116.63
8.3.50.0070.01117.34
8.3.40.0070.00718.96
8.3.30.0110.00418.93
8.3.20.0000.00818.73
8.3.10.0000.00918.73
8.3.00.0050.00319.38
8.2.180.0070.00718.29
8.2.170.0070.00722.96
8.2.160.0100.00320.35
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0120.00420.49
8.2.110.0110.00020.51
8.2.100.0070.00417.95
8.2.90.0040.00419.22
8.2.80.0050.00517.97
8.2.70.0040.00417.75
8.2.60.0020.00717.80
8.2.50.0060.00318.10
8.2.40.0040.00418.17
8.2.30.0000.00818.11
8.2.20.0040.00418.02
8.2.10.0040.00417.99
8.2.00.0040.00417.91
8.1.280.0040.01825.92
8.1.270.0050.00324.66
8.1.260.0090.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00722.25
8.1.230.0060.00617.71
8.1.220.0050.00317.77
8.1.210.0090.00018.77
8.1.200.0030.00617.48
8.1.190.0000.00917.36
8.1.180.0080.00018.10
8.1.170.0040.00418.88
8.1.160.0050.00318.94
8.1.150.0040.00418.73
8.1.140.0040.00417.41
8.1.130.0030.00317.93
8.1.120.0040.00417.36
8.1.110.0050.00317.39
8.1.100.0000.00717.46
8.1.90.0000.00717.42
8.1.80.0070.00017.45
8.1.70.0040.00417.29
8.1.60.0000.00717.45
8.1.50.0030.00617.48
8.1.40.0030.00617.54
8.1.30.0080.00017.66
8.1.20.0040.00417.63
8.1.10.0090.00017.52
8.1.00.0040.00417.57
8.0.300.0000.00718.77
8.0.290.0070.00516.58
8.0.280.0030.00518.48
8.0.270.0000.00817.31
8.0.260.0070.00016.91
8.0.250.0000.00716.89
8.0.240.0020.00516.92
8.0.230.0030.00317.06
8.0.220.0000.00716.94
8.0.210.0030.00316.87
8.0.200.0030.00316.86
8.0.190.0030.00516.99
8.0.180.0050.00317.02
8.0.170.0040.00416.91
8.0.160.0000.00716.95
8.0.150.0060.00316.93
8.0.140.0040.00416.77
8.0.130.0030.00313.32
8.0.120.0000.00816.88
8.0.110.0030.00516.78
8.0.100.0000.00716.93
8.0.90.0070.00017.01
8.0.80.0070.01017.00
8.0.70.0040.00416.99
8.0.60.0040.00416.97
8.0.50.0040.00416.86
8.0.30.0100.01317.17
8.0.20.0120.01217.27
8.0.10.0040.00416.96
8.0.00.0140.00716.79
7.4.330.0050.00012.89
7.4.320.0070.00016.61
7.4.300.0030.00316.59
7.4.290.0030.00316.38
7.4.280.0020.00516.56
7.4.270.0000.00816.61
7.4.260.0070.00013.30
7.4.250.0040.00416.48
7.4.240.0050.00216.54
7.4.230.0070.00016.39
7.4.220.0070.01416.44
7.4.210.0070.00916.60
7.4.200.0030.00316.49
7.4.190.0070.00016.70
7.4.160.0080.00816.54
7.4.150.0120.00616.30
7.4.140.0100.00816.54
7.4.130.0050.01316.54
7.4.120.0160.00316.59
7.4.110.0110.01116.56
7.4.100.0040.01316.68
7.4.90.0090.00916.39
7.4.80.0070.01019.39
7.4.70.0100.00716.54
7.4.60.0170.00016.49
7.4.50.0050.00516.64
7.4.40.0060.00916.53
7.4.30.0040.01316.63
7.4.00.0060.00914.68
7.3.330.0000.00713.11
7.3.320.0000.00613.13
7.3.310.0030.00316.35
7.3.300.0070.00016.21
7.3.290.0130.00316.34
7.3.280.0080.00916.31
7.3.270.0030.01316.43
7.3.260.0110.00616.60
7.3.250.0110.01016.38
7.3.240.0100.00616.46
7.3.230.0030.01316.43
7.3.210.0160.00616.30
7.3.200.0070.01116.36
7.3.190.0140.00716.45
7.3.180.0170.00316.50
7.3.170.0100.00716.30
7.3.160.0130.00616.29
7.3.120.0070.01014.81
7.2.330.0100.00716.70
7.2.320.0060.01016.58
7.2.310.0060.01216.76
7.2.300.0120.00616.45
7.2.290.0030.01316.70
7.1.70.0040.00417.09
7.1.60.0070.01719.40
7.1.50.0030.01416.93
7.1.00.0030.04022.27
7.0.200.0930.00314.94
7.0.140.0030.07322.09
7.0.120.0030.07321.98
7.0.60.0100.07719.95
7.0.50.0070.04017.84
7.0.40.0070.07020.39
7.0.30.0170.04320.18
7.0.20.0230.08020.30
7.0.10.0270.07720.33
7.0.00.0030.04020.12
5.6.280.0070.07020.93
5.6.210.0200.06720.47
5.6.200.0070.05718.23
5.6.190.0000.05320.35
5.6.180.0070.06320.35
5.6.170.0370.05720.52
5.6.160.0000.04320.39
5.6.150.0100.04318.18
5.6.140.0000.04318.07
5.6.130.0030.04018.15
5.6.120.0170.04721.16
5.6.110.0070.05721.11
5.6.100.0030.04321.09
5.6.90.0100.08021.08
5.6.80.0030.04020.43
5.6.70.0170.08320.44
5.5.350.0000.08720.35
5.5.340.0070.04717.98
5.5.330.0130.07020.56
5.5.320.0300.04720.41
5.5.310.0170.04020.18
5.5.300.0000.08718.02
5.5.290.0000.04317.92
5.5.280.0070.05320.90
5.5.270.0100.08320.64
5.5.260.0130.05720.79
5.5.250.0170.06720.71
5.5.240.0030.05320.27
5.4.450.1900.04719.10
5.4.440.1570.03719.38
5.4.430.1570.04019.54
5.4.420.1630.03019.41
5.4.410.1900.04319.08
5.4.400.1570.03718.93
5.4.390.1300.05019.08
5.4.380.0070.06719.16
5.4.370.0030.04018.92
5.4.360.1000.03718.81
5.4.350.1430.04718.79
5.4.340.1370.04719.26
5.4.320.1600.03318.92
5.4.310.1830.04719.16
5.4.300.1930.04019.16
5.4.290.1830.03719.13
5.4.280.1600.04719.16
5.4.270.1470.03719.13
5.4.260.1570.03319.15
5.4.250.1530.03319.13
5.4.240.1570.03719.07
5.4.230.0200.07319.24
5.4.220.0070.08019.13
5.4.210.0070.04019.12
5.4.200.1230.04019.15
5.4.190.1570.03319.07
5.4.180.1600.04719.12
5.4.170.1730.04719.24
5.4.160.1800.04719.06
5.4.150.1570.03719.06
5.4.140.1530.03016.30
5.4.130.1770.04016.26
5.4.120.1930.03716.34
5.4.110.1830.05016.38
5.4.100.1270.04316.47
5.4.90.0100.03016.42
5.4.80.0000.03716.37
5.4.70.0930.03316.45
5.4.60.1600.04016.19
5.4.50.1370.03316.47
5.4.40.1200.03716.31
5.4.30.1570.03016.15
5.4.20.1570.03016.42
5.4.10.1500.03716.45
5.4.00.1530.04015.84
5.3.290.1530.04014.51
5.3.280.1600.04014.47
5.3.270.1470.03714.53
5.3.260.1500.04314.63
5.3.250.1600.03314.57
5.3.240.0030.03714.72
5.3.230.0000.04014.70
5.3.220.0100.04014.63
5.3.210.1370.03014.42
5.3.200.1430.03014.52
5.3.190.1300.03714.52
5.3.180.1370.03314.51
5.3.170.1430.02714.54
5.3.160.1330.04014.41
5.3.150.1330.04014.41
5.3.140.1570.04014.63
5.3.130.1530.03714.39
5.3.120.1530.03714.50
5.3.110.1530.04014.51
5.3.100.1530.03313.98
5.3.90.0800.04713.87
5.3.80.0000.03714.05
5.3.70.0900.03313.98
5.3.60.1430.03713.86
5.3.50.1500.04013.80
5.3.40.1600.04313.76
5.3.30.1500.03714.02
5.3.20.1500.03713.64
5.3.10.1600.02713.71
5.3.00.1500.03713.71
5.2.170.1470.03311.00
5.2.160.1270.02711.00
5.2.150.1300.03011.07
5.2.140.1230.03011.07
5.2.130.1370.02710.97
5.2.120.1300.02710.96
5.2.110.0700.02710.96
5.2.100.0030.02711.02
5.2.90.0100.02311.00
5.2.80.0170.02710.95
5.2.70.1230.03011.20
5.2.60.1230.03010.90
5.2.50.1230.03311.04
5.2.40.1000.02710.84
5.2.30.1000.03010.88
5.2.20.1030.02710.98
5.2.10.1070.02310.79
5.2.00.1030.02310.68
5.1.60.1030.0209.99
5.1.50.1000.02710.10
5.1.40.1030.0239.92
5.1.30.1030.02310.32
5.1.20.1000.02710.45
5.1.10.0930.0309.97
5.1.00.1000.02710.17
5.0.50.0500.0238.48
5.0.40.0670.0338.49
5.0.30.0300.0378.22
5.0.20.0000.0208.14
5.0.10.0000.0208.14
5.0.00.0000.0308.07
4.4.90.0030.0137.61
4.4.80.0000.0177.61
4.4.70.0570.0207.61
4.4.60.0500.0177.61
4.4.50.0570.0207.61
4.4.40.0530.0237.61
4.4.30.0600.0207.61
4.4.20.0730.0177.61
4.4.10.0570.0177.61
4.4.00.0570.0237.61
4.3.110.0500.0177.61
4.3.100.0670.0237.61
4.3.90.0700.0107.61
4.3.80.0500.0277.61
4.3.70.0730.0177.61
4.3.60.0570.0177.61
4.3.50.0500.0177.61
4.3.40.0470.0277.61
4.3.30.0370.0277.61
4.3.20.0300.0177.61
4.3.10.0430.0307.61
4.3.00.0370.0307.61

preferences:
43.06 ms | 401 KiB | 5 Q