3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_start(); //ini_set('display_errors', 'On'); if(!empty($_REQUEST)) { $username = htmlspecialchars($_REQUEST["username"]); $s1 = htmlspecialchars($_REQUEST["s1"]); $s2 = htmlspecialchars($_REQUEST["s2"]); //session_name("first"); $_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($_SESSION["s2"])) { echo "true"; } else { echo "false"; //header("Location: strings.php"); exit; } } else if (isset($_SESSION["username"]) && isset($_SESSION["s1"]) && isset($_SESSION["s2"])) { header("Location: strings.php"); exit; } else { header("Location: input.php"); exit; }

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)
8.3.60.0110.00416.63
8.3.50.0130.00717.57
8.3.40.0110.00619.00
8.3.30.0200.00318.98
8.3.20.0040.00818.85
8.3.10.0080.00020.39
8.3.00.0040.00419.50
8.2.180.0160.00316.61
8.2.170.0090.00622.96
8.2.160.0070.00721.02
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00319.95
8.2.110.0000.00921.11
8.2.100.0000.01217.91
8.2.90.0090.00019.17
8.2.80.0030.00518.04
8.2.70.0000.00817.88
8.2.60.0050.00317.80
8.2.50.0040.00418.07
8.2.40.0050.00318.34
8.2.30.0040.00418.11
8.2.20.0070.00017.90
8.2.10.0030.00517.96
8.2.00.0000.00917.90
8.1.280.0030.01025.92
8.1.270.0050.00224.66
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0030.00720.87
8.1.230.0080.00320.91
8.1.220.0030.00617.77
8.1.210.0000.00819.02
8.1.200.0060.00317.35
8.1.190.0070.00017.52
8.1.180.0070.00318.10
8.1.170.0080.00018.89
8.1.160.0070.00018.88
8.1.150.0000.00818.57
8.1.140.0040.00717.39
8.1.130.0030.00317.93
8.1.120.0050.00317.47
8.1.110.0030.00517.32
8.1.100.0040.00417.51
8.1.90.0040.00417.46
8.1.80.0080.00017.49
8.1.70.0000.00717.39
8.1.60.0060.00317.61
8.1.50.0030.00517.46
8.1.40.0040.00417.37
8.1.30.0040.00417.60
8.1.20.0040.00417.67
8.1.10.0000.00917.55
8.1.00.0040.00417.46
8.0.300.0040.00420.02
8.0.290.0040.00416.75
8.0.280.0000.00718.32
8.0.270.0070.00017.29
8.0.260.0040.00418.48
8.0.250.0000.00817.04
8.0.240.0060.00316.93
8.0.230.0030.00316.96
8.0.220.0030.00316.92
8.0.210.0070.00016.86
8.0.200.0030.00316.96
8.0.190.0070.00016.98
8.0.180.0000.00716.86
8.0.170.0000.00816.93
8.0.160.0070.00016.96
8.0.150.0000.00716.86
8.0.140.0120.00016.93
8.0.130.0030.00513.41
8.0.120.0080.00016.92
8.0.110.0000.00716.96
8.0.100.0040.00416.97
8.0.90.0030.00316.78
8.0.80.0070.01116.93
8.0.70.0070.00016.95
8.0.60.0020.00516.88
8.0.50.0030.00516.83
8.0.30.0090.00917.23
8.0.20.0100.00817.06
8.0.10.0040.00417.02
8.0.00.0060.01416.86
7.4.330.0020.00213.01
7.4.320.0000.00716.54
7.4.300.0060.00016.38
7.4.290.0000.00716.49
7.4.280.0000.00716.59
7.4.270.0030.00316.57
7.4.260.0060.00013.25
7.4.250.0030.00616.38
7.4.240.0070.00016.51
7.4.230.0030.00316.37
7.4.220.0150.00316.34
7.4.210.0090.01016.59
7.4.200.0070.00016.29
7.4.190.0040.00416.71
7.4.160.0100.00616.52
7.4.150.0140.00316.29
7.4.140.0070.01016.54
7.4.130.0130.00616.38
7.4.120.0090.01016.52
7.4.110.0030.01316.51
7.4.100.0110.00716.44
7.4.90.0140.00416.54
7.4.80.0070.01416.36
7.4.70.0120.00816.36
7.4.60.0130.00316.61
7.4.50.0090.00016.48
7.4.40.0000.01316.64
7.4.30.0100.00616.26
7.4.00.0070.00714.92
7.3.330.0060.00013.16
7.3.320.0030.00313.08
7.3.310.0000.00716.29
7.3.300.0000.00716.35
7.3.290.0110.00716.24
7.3.280.0080.01216.33
7.3.270.0030.01516.55
7.3.260.0120.00916.33
7.3.250.0080.00916.40
7.3.240.0140.00516.50
7.3.230.0100.00716.47
7.3.210.0000.01716.52
7.3.200.0130.00619.39
7.3.190.0090.00616.35
7.3.180.0060.00916.52
7.3.170.0080.00816.23
7.3.160.0090.00716.36
7.3.120.0070.00714.87
7.3.10.0070.00716.48
7.3.00.0030.01116.58
7.2.330.0120.00816.50
7.2.320.0190.00316.36
7.2.310.0100.00716.73
7.2.300.0170.00016.63
7.2.290.0130.00316.45
7.2.130.0050.01016.87
7.2.120.0060.00916.72
7.2.110.0050.00716.86
7.2.100.0040.00716.97
7.2.90.0090.00716.92
7.2.80.0070.01016.95
7.2.70.0050.01216.85
7.2.60.0080.00616.84
7.2.50.0060.00916.88
7.2.40.0110.00516.93
7.2.30.0030.00917.02
7.2.20.0080.00617.10
7.2.10.0060.00716.95
7.2.00.0060.00917.73
7.1.250.0090.00415.78
7.1.200.0090.00315.66
7.1.100.0000.01417.63
7.1.70.0070.00016.74
7.1.60.0140.01019.40
7.1.50.0100.01016.60
7.1.00.0030.07022.43
7.0.200.0040.00416.34
7.0.140.0070.07022.21
7.0.120.0030.07322.01
7.0.60.0030.04319.79
7.0.50.0070.08017.85
7.0.40.0170.06020.04
7.0.30.0300.07320.18
7.0.20.0200.04320.12
7.0.10.0030.07720.22
7.0.00.0130.06720.17
5.6.280.0070.07021.07
5.6.210.0100.03320.46
5.6.200.0130.05318.06
5.6.190.0030.04320.43
5.6.180.0300.07320.45
5.6.170.0270.07020.38
5.6.160.0100.05320.49
5.6.150.0130.07018.22
5.6.140.0170.06718.15
5.6.130.0130.07318.12
5.6.120.0100.05320.98
5.6.110.0030.08321.00
5.6.100.0030.04021.04
5.6.90.0030.04020.96
5.6.80.0100.04320.28
5.5.350.0300.08020.41
5.5.340.0070.08017.94
5.5.330.0130.07320.43
5.5.320.0170.04020.24
5.5.310.0300.07320.32
5.5.300.0030.04018.02
5.5.290.0030.07317.98
5.5.280.0130.08020.87
5.5.270.0030.04320.88
5.5.260.0030.06020.86
5.5.250.0100.05320.57
5.5.240.0100.07020.15
5.4.450.0270.03719.41
5.4.440.0330.04319.41
5.4.430.0200.04319.18
5.4.420.0200.05719.24
5.4.410.0300.07719.19
5.4.400.0270.05019.11
5.4.390.0300.04319.01
5.4.380.0400.04319.05
5.4.370.0270.05318.85
5.4.360.0300.03319.07
5.4.350.0430.06718.86
5.4.340.0330.04319.05
5.4.320.0370.03318.85
5.4.310.0470.06719.05
5.4.300.0330.04718.91
5.4.290.0300.03718.80
5.4.280.0330.06719.00
5.4.270.0430.06018.86
5.4.260.0400.04318.95
5.4.250.0300.03718.86
5.4.240.0400.07018.95
5.4.230.0430.06719.05
5.4.220.0270.04018.98
5.4.210.0330.04719.00
5.4.200.0330.05319.10
5.4.190.0270.04319.08
5.4.180.0330.04319.07
5.4.170.0400.06018.98
5.4.160.0400.07019.05
5.4.150.0370.07719.02
5.4.140.0330.06016.27
5.4.130.0400.05016.43
5.4.120.0330.07316.14
5.4.110.0430.04716.30
5.4.100.0330.05016.39
5.4.90.0370.04016.39
5.4.80.0330.04316.44
5.4.70.0300.03716.20
5.4.60.0270.03716.37
5.4.50.0330.05716.36
5.4.40.0370.04316.36
5.4.30.0300.04016.31
5.4.20.0430.06016.36
5.4.10.0400.05716.40
5.4.00.0270.04015.59
5.3.290.0400.07014.60
5.3.280.0270.07314.53
5.3.270.0400.07314.46
5.3.260.0500.05014.59
5.3.250.0400.06714.64
5.3.240.0470.06014.63
5.3.230.0500.05014.64
5.3.220.0370.03314.54
5.3.210.0330.04014.66
5.3.200.0270.07714.61
5.3.190.0430.06314.59
5.3.180.0400.04014.51
5.3.170.0270.07314.51
5.3.160.0330.03014.46
5.3.150.0400.07014.50
5.3.140.0330.04714.50
5.3.130.0400.05314.48
5.3.120.0330.04314.45
5.3.110.0430.06314.48
5.3.100.0300.03313.96
5.3.90.0330.07013.95
5.3.80.0400.04713.86
5.3.70.0400.04713.95
5.3.60.0270.04313.98
5.3.50.0400.03713.97
5.3.40.0430.06713.89
5.3.30.0470.05713.91
5.3.20.0430.05013.49
5.3.10.0400.06713.74
5.3.00.0400.06013.49
5.2.170.0300.03311.16
5.2.160.0370.04711.04
5.2.150.0430.02311.20
5.2.140.0300.03311.05
5.2.130.0230.03011.11
5.2.120.0270.03011.15
5.2.110.0330.03011.01
5.2.100.0270.04011.20
5.2.90.0370.05711.20
5.2.80.0300.03711.14
5.2.70.0400.04310.94
5.2.60.0400.05311.06
5.2.50.0430.04010.93
5.2.40.0370.03710.86
5.2.30.0300.04311.04
5.2.20.0270.05710.96
5.2.10.0270.03710.77
5.2.00.0300.04310.69
5.1.60.0330.0409.92
5.1.50.0200.04310.00
5.1.40.0200.03010.07
5.1.30.0270.02710.28
5.1.20.0430.03310.25
5.1.10.0300.03010.05
5.1.00.0330.0439.98
5.0.50.0100.0378.55
5.0.40.0130.0378.31
5.0.30.0070.0538.39
5.0.20.0170.0408.32
5.0.10.0130.0278.06
5.0.00.0170.0308.08
4.4.90.0130.0377.55
4.4.80.0130.0337.55
4.4.70.0100.0377.55
4.4.60.0130.0277.55
4.4.50.0130.0207.55
4.4.40.0130.0407.55
4.4.30.0170.0377.55
4.4.20.0170.0177.55
4.4.10.0130.0177.55
4.4.00.0130.0477.55
4.3.110.0100.0177.55
4.3.100.0200.0277.55
4.3.90.0130.0207.55
4.3.80.0100.0337.55
4.3.70.0130.0177.55
4.3.60.0170.0307.55
4.3.50.0100.0237.55
4.3.40.0270.0337.55
4.3.30.0100.0337.55
4.3.20.0100.0177.55
4.3.10.0030.0207.55
4.3.00.0100.0307.55

preferences:
42.23 ms | 401 KiB | 5 Q