3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_start(); $_SESSION["111"] = null; var_dump($_SESSION);

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)
8.3.60.0100.01018.55
8.3.50.0070.00821.21
8.3.40.0120.00618.76
8.3.30.0120.00619.10
8.3.20.0050.00220.33
8.3.10.0030.00621.95
8.3.00.0040.00422.48
8.2.180.0000.01818.78
8.2.170.0100.01022.96
8.2.160.0100.00320.41
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00819.66
8.2.110.0060.00320.39
8.2.100.0070.00419.28
8.2.90.0040.00419.17
8.2.80.0000.00819.38
8.2.70.0060.00317.61
8.2.60.0030.00618.16
8.2.50.0030.00618.07
8.2.40.0000.00918.34
8.2.30.0000.00918.18
8.2.20.0050.00317.85
8.2.10.0000.00717.80
8.2.00.0020.00517.82
8.1.280.0040.01125.92
8.1.270.0090.00020.48
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00623.84
8.1.230.0060.00619.21
8.1.220.0000.00817.79
8.1.210.0080.00018.77
8.1.200.0030.00617.25
8.1.190.0060.00317.52
8.1.180.0000.00720.24
8.1.170.0050.00318.54
8.1.160.0040.00422.20
8.1.150.0070.00018.62
8.1.140.0040.00417.43
8.1.130.0000.00717.82
8.1.120.0000.00817.32
8.1.110.0030.00617.47
8.1.100.0040.00417.39
8.1.90.0020.00517.41
8.1.80.0040.00417.27
8.1.70.0050.00217.37
8.1.60.0050.00517.59
8.1.50.0020.00517.62
8.1.40.0000.00817.47
8.1.30.0000.00717.65
8.1.20.0040.00417.62
8.1.10.0030.00617.45
8.1.00.0040.00417.45
8.0.300.0070.00018.77
8.0.290.0040.00417.18
8.0.280.0000.00718.45
8.0.270.0000.00817.13
8.0.260.0030.00316.89
8.0.250.0030.00316.98
8.0.240.0050.00316.83
8.0.230.0030.00316.89
8.0.220.0000.00716.79
8.0.210.0040.00416.80
8.0.200.0050.00317.04
8.0.190.0070.00017.00
8.0.180.0040.00416.86
8.0.170.0040.00416.93
8.0.160.0040.00416.86
8.0.150.0000.00816.73
8.0.140.0060.00616.76
8.0.130.0000.00613.30
8.0.120.0070.00316.74
8.0.110.0000.00716.91
8.0.100.0080.00016.94
8.0.90.0000.00716.96
8.0.80.0110.00516.85
8.0.70.0000.00716.86
8.0.60.0040.00416.70
8.0.50.0070.00016.71
8.0.30.0090.00917.03
8.0.20.0110.00917.40
8.0.10.0040.00416.95
8.0.00.0080.01016.93
7.4.330.0060.00015.00
7.4.320.0070.00016.55
7.4.300.0000.00616.51
7.4.290.0070.00016.60
7.4.280.0000.00716.61
7.4.270.0070.00016.62
7.4.260.0000.00716.62
7.4.250.0000.00716.47
7.4.240.0040.00316.55
7.4.230.0080.00016.63
7.4.220.0060.01816.70
7.4.210.0060.00916.62
7.4.200.0000.00716.68
7.4.190.0040.00416.59
7.4.160.0090.01216.42
7.4.150.0130.00417.40
7.4.140.0110.00917.86
7.4.130.0050.01216.53
7.4.120.0080.01016.54
7.4.110.0120.00916.62
7.4.100.0120.00616.59
7.4.90.0150.00316.53
7.4.80.0030.01719.39
7.4.70.0120.01216.65
7.4.60.0100.00716.42
7.4.50.0000.00816.77
7.4.40.0070.01122.77
7.4.30.0060.00916.48
7.4.00.0110.00715.04
7.3.330.0000.00513.02
7.3.320.0000.00613.10
7.3.310.0000.00716.21
7.3.300.0000.00616.27
7.3.290.0110.00416.30
7.3.280.0100.00516.27
7.3.270.0130.00717.40
7.3.260.0110.00716.30
7.3.250.0040.01316.49
7.3.240.0130.00516.35
7.3.230.0070.00616.50
7.3.210.0110.00716.25
7.3.200.0140.00919.39
7.3.190.0060.01216.49
7.3.180.0030.01916.30
7.3.170.0120.00416.40
7.3.160.0160.00016.38
7.3.120.0020.01615.04
7.3.110.0000.01814.77
7.3.100.0030.01314.52
7.3.90.0000.01414.82
7.3.80.0090.00615.02
7.3.70.0030.00914.68
7.3.60.0070.00414.66
7.3.50.0080.00614.84
7.3.40.0030.01014.82
7.3.30.0100.00314.64
7.3.20.0030.01216.78
7.3.10.0120.00416.45
7.3.00.0070.01016.78
7.2.330.0090.00916.70
7.2.320.0090.00916.67
7.2.310.0070.01616.68
7.2.300.0080.00816.42
7.2.290.0130.00316.73
7.2.250.0100.01014.71
7.2.240.0070.01015.00
7.2.230.0060.00615.17
7.2.220.0030.01015.02
7.2.210.0080.00815.12
7.2.200.0060.00614.84
7.2.190.0040.01115.01
7.2.180.0040.01114.76
7.2.170.0040.01114.86
7.2.60.0090.00516.66
7.2.00.0060.00619.11
7.1.330.0040.01115.48
7.1.320.0000.01015.59
7.1.310.0100.00315.61
7.1.300.0100.00315.74
7.1.290.0000.01015.75
7.1.280.0040.01115.82
7.1.270.0060.00615.52
7.1.260.0110.00415.83
7.1.200.0000.01215.50
7.1.100.0040.00718.02
7.1.70.0000.01117.04
7.1.60.0140.01119.50
7.1.50.0120.00616.94
7.1.00.0000.08022.43
7.0.200.0040.00416.66
7.0.140.0000.07722.08
7.0.60.0100.07719.78
7.0.50.0070.06717.66
7.0.40.0130.07720.22
7.0.30.0330.03720.16
7.0.20.0170.04320.12
7.0.10.0130.05020.18
7.0.00.0070.06720.32
5.6.280.0100.06720.92
5.6.210.0070.03720.60
5.6.200.0000.05318.12
5.6.190.0130.08020.35
5.6.180.3630.04020.56
5.6.170.0200.04020.71
5.6.160.0130.07320.48
5.6.150.0030.06018.21
5.6.140.0100.08318.18
5.6.130.0030.07318.17
5.6.120.0100.04321.02
5.6.110.0000.04720.99
5.6.100.0130.07720.97
5.6.90.0130.06320.96
5.6.80.0070.08320.38
5.6.70.0230.06320.52
5.5.350.0030.03720.41
5.5.340.0000.06017.98
5.5.330.0070.06320.13
5.5.320.0230.06020.28
5.5.310.0270.07720.41
5.5.300.0030.08317.88
5.5.290.0100.03717.96
5.5.280.0100.08020.97
5.5.270.0000.06720.79
5.5.260.0030.05720.86
5.5.250.0000.05020.68
5.5.240.0200.07020.27
5.4.450.0670.05719.48
5.4.440.0930.05719.54
5.4.430.0900.05319.09
5.4.420.0930.06019.40
5.4.410.0770.05019.45
5.4.400.0300.08318.67
5.4.390.0530.05318.52
5.4.380.0200.05718.67
5.4.370.0170.05318.68
5.4.360.0170.04318.84
5.4.350.0060.04811.98
5.4.340.0270.07811.98
5.4.320.0070.04512.46
5.4.310.0070.04112.46
5.4.300.0050.03712.46
5.4.290.0070.03612.45
5.4.280.0080.03412.35
5.4.270.0060.03512.36
5.4.260.0070.05112.35
5.4.250.0170.04319.01
5.4.240.0070.06018.79
5.4.230.0200.05718.94
5.4.220.0030.06018.92
5.4.210.0070.05318.83
5.4.200.0030.06019.03
5.4.190.0100.05718.98
5.4.180.0030.05318.91
5.4.170.0100.05019.02
5.4.160.0070.05718.98
5.4.150.0070.05718.92
5.4.140.0130.04716.25
5.4.130.0100.04716.27
5.4.120.0170.04316.45
5.4.110.0130.04716.23
5.4.100.0130.06016.38
5.4.90.0100.07316.49
5.4.80.0070.04716.32
5.4.70.0000.05716.43
5.4.60.0170.04016.50
5.4.50.0070.05016.23
5.4.40.0030.06716.39
5.4.30.0070.04716.25
5.4.20.0070.04716.41
5.4.10.0130.06016.22
5.4.00.0070.05015.69
5.3.290.0090.04312.80
5.3.280.0100.04714.61
5.3.270.0170.04014.60
5.3.260.0070.05314.54
5.3.250.0000.05714.65
5.3.240.0070.07314.64
5.3.230.0070.05714.59
5.3.220.0100.07014.56
5.3.210.0070.05314.40
5.3.200.0100.04714.59
5.3.190.0070.05014.61
5.3.180.0030.05714.40
5.3.170.0070.05714.59
5.3.160.0030.05314.57
5.3.150.0100.04714.58
5.3.140.0100.04714.55
5.3.130.0030.05714.24
5.3.120.0070.05014.45
5.3.110.0070.06714.63
5.3.100.0070.05314.04
5.3.90.0070.05013.90
5.3.80.0100.04714.16
5.3.70.0070.05014.05
5.3.60.0070.05013.92
5.3.50.0100.04713.80
5.3.40.0070.06714.10
5.3.30.0130.05313.85
5.3.20.0030.07313.54
5.3.10.0100.04313.74
5.3.00.0200.05313.47
5.2.170.0130.05311.23
5.2.160.0070.03711.12
5.2.150.0070.05311.04
5.2.140.0030.04311.07
5.2.130.0070.04311.00
5.2.120.0130.03711.00
5.2.110.0030.04310.99
5.2.100.0030.04011.10
5.2.90.0000.06311.11
5.2.80.0070.05711.00
5.2.70.0100.04011.09
5.2.60.0030.06310.93
5.2.50.0130.05711.01
5.2.40.0200.04710.91
5.2.30.0130.05010.89
5.2.20.0000.05010.89
5.2.10.0070.04310.82
5.2.00.0030.04310.88
5.1.60.0000.0509.87
5.1.50.0030.0339.96
5.1.40.0000.03710.21
5.1.30.0030.03710.30
5.1.20.0030.03710.11
5.1.10.0070.03010.12
5.1.00.0070.05010.10
5.0.50.0070.0238.30
5.0.40.0030.0278.55
5.0.30.0070.0508.21
5.0.20.0030.0278.17
5.0.10.0030.0278.15
5.0.00.0030.0438.21
4.4.90.0000.0237.34
4.4.80.0070.0237.34
4.4.70.0100.0207.34
4.4.60.0070.0207.34
4.4.50.0000.0307.34
4.4.40.0030.0337.34
4.4.30.0070.0177.34
4.4.20.0030.0207.34
4.4.10.0030.0207.34
4.4.00.0000.0377.34
4.3.110.0030.0207.34
4.3.100.0030.0237.34
4.3.90.0000.0237.34
4.3.80.0000.0337.34
4.3.70.0000.0237.34
4.3.60.0030.0207.34
4.3.50.0030.0207.34
4.3.40.0030.0407.34
4.3.30.0000.0237.34
4.3.20.0030.0207.34
4.3.10.0000.0307.34
4.3.00.0170.0236.90

preferences:
50.53 ms | 400 KiB | 5 Q