3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = null; var_dump($var); //$var = null;

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)
8.3.60.0140.00718.30
8.3.50.0030.01516.36
8.3.40.0120.00318.51
8.3.30.0060.01218.93
8.3.20.0000.00820.21
8.3.10.0040.00423.66
8.3.00.0000.00718.89
8.2.180.0120.00318.28
8.2.170.0170.00322.96
8.2.160.0090.00622.22
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0050.00326.16
8.2.120.0000.00819.64
8.2.110.0080.00022.30
8.2.100.0030.00917.78
8.2.90.0040.00417.78
8.2.80.0040.00417.97
8.2.70.0050.00317.80
8.2.60.0020.00518.16
8.2.50.0080.00018.10
8.2.40.0040.00419.41
8.2.30.0000.00719.18
8.2.20.0050.00317.53
8.2.10.0040.00417.86
8.2.00.0000.01017.59
8.1.270.0000.00818.65
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0000.00923.92
8.1.230.0080.00422.63
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0090.00017.23
8.1.190.0050.00317.13
8.1.180.0000.00918.10
8.1.170.0040.00420.71
8.1.160.0000.00719.04
8.1.150.0030.00318.80
8.1.140.0070.00017.38
8.1.130.0070.00017.81
8.1.120.0000.00717.39
8.1.110.0040.00417.39
8.1.100.0000.00717.38
8.1.90.0000.00717.41
8.1.80.0040.00417.26
8.1.70.0030.00317.41
8.1.60.0040.00417.49
8.1.50.0080.00017.40
8.1.40.0080.00017.50
8.1.30.0000.00817.55
8.1.20.0040.00417.48
8.1.10.0050.00317.42
8.1.00.0070.00017.34
8.0.300.0000.00719.65
8.0.290.0030.00516.63
8.0.280.0040.00418.22
8.0.270.0070.00017.10
8.0.260.0030.00317.18
8.0.250.0030.00316.75
8.0.240.0030.00616.77
8.0.230.0000.00716.87
8.0.220.0000.00716.79
8.0.210.0000.00716.73
8.0.200.0000.00716.82
8.0.190.0030.00516.84
8.0.180.0040.00416.89
8.0.170.0040.00416.84
8.0.160.0070.00016.82
8.0.150.0000.00716.66
8.0.140.0000.00716.77
8.0.130.0040.00413.17
8.0.120.0040.00416.83
8.0.110.0000.00816.81
8.0.100.0000.00716.78
8.0.90.0030.00316.88
8.0.80.0090.00616.75
8.0.70.0000.00716.79
8.0.60.0000.00716.93
8.0.50.0030.00516.68
8.0.30.0080.01216.98
8.0.20.0140.00717.40
8.0.10.0040.00417.00
8.0.00.0100.00816.61
7.4.330.0020.00215.03
7.4.320.0060.00016.57
7.4.300.0030.00316.54
7.4.290.0030.00416.28
7.4.280.0090.00016.45
7.4.270.0030.00316.29
7.4.260.0000.00816.52
7.4.250.0000.00716.49
7.4.240.0000.00716.48
7.4.230.0000.00616.44
7.4.220.0120.00616.35
7.4.210.0090.00616.54
7.4.200.0000.00716.32
7.4.160.0060.00916.50
7.4.150.0150.00417.40
7.4.140.0100.00717.86
7.4.130.0120.00616.43
7.4.120.0070.00916.37
7.4.110.0120.00816.50
7.4.100.0100.00716.37
7.4.90.0100.00716.35
7.4.80.0120.00919.39
7.4.70.0130.00716.60
7.4.60.0040.01216.45
7.4.50.0050.00316.46
7.4.40.0070.01616.29
7.4.30.0070.01116.51
7.4.00.0070.01114.80
7.3.330.0060.00013.04
7.3.320.0050.00012.87
7.3.310.0000.00716.06
7.3.300.0030.00315.99
7.3.290.0100.00516.10
7.3.280.0070.01016.13
7.3.270.0090.00917.40
7.3.260.0030.01416.20
7.3.250.0120.00616.29
7.3.240.0090.01016.57
7.3.230.0120.00616.40
7.3.210.0090.00916.22
7.3.200.0150.00319.39
7.3.190.0060.01116.46
7.3.180.0130.00616.05
7.3.170.0090.01216.38
7.3.160.0110.00616.23
7.3.120.0100.00814.71
7.3.110.0070.00814.74
7.3.100.0070.01014.76
7.3.90.0030.00814.68
7.3.80.0100.00414.64
7.3.70.0020.01114.69
7.3.60.0070.00714.65
7.3.50.0080.00514.70
7.3.40.0060.00514.76
7.3.30.0010.01014.59
7.3.20.0060.00716.45
7.3.10.0060.00916.52
7.3.00.0050.00816.60
7.2.330.0120.00616.61
7.2.320.0110.00716.66
7.2.310.0120.01216.31
7.2.300.0120.00916.30
7.2.290.0090.00916.24
7.2.250.0110.00614.73
7.2.240.0090.00614.86
7.2.230.0100.00214.97
7.2.220.0000.01114.83
7.2.210.0030.01414.74
7.2.200.0070.00414.87
7.2.190.0100.00514.66
7.2.180.0030.01314.78
7.2.170.0060.00614.86
7.2.00.0090.00319.29
7.1.330.0110.00315.79
7.1.320.0050.00615.81
7.1.310.0070.00815.54
7.1.300.0060.00815.58
7.1.290.0060.00515.71
7.1.280.0080.00615.75
7.1.270.0000.01115.75
7.1.260.0060.00715.68
7.1.200.0080.00415.60
7.1.100.0030.01417.97
7.1.70.0040.00417.05
7.1.60.0040.01819.22
7.1.50.0040.01416.27
7.1.00.0030.07722.36
7.0.200.0000.00716.57
7.0.140.0000.07721.99
7.0.60.0130.07719.91
7.0.50.0030.06317.77
7.0.40.0070.04320.35
7.0.30.0200.05720.30
7.0.20.0200.08020.19
7.0.10.0000.06720.17
7.0.00.0030.04720.09
5.6.280.0030.07020.91
5.6.210.0100.07320.66
5.6.200.0030.05318.22
5.6.190.0130.07720.39
5.6.180.0300.05720.44
5.6.170.0400.07720.55
5.6.160.0100.07720.41
5.6.150.0130.08318.21
5.6.140.0070.05718.18
5.6.130.0070.08318.22
5.6.120.0070.04320.89
5.6.110.0100.05720.96
5.6.100.0070.07720.98
5.6.90.0030.08320.99
5.6.80.0030.08320.38
5.5.350.0330.06720.28
5.5.340.0030.06017.95
5.5.330.0100.05720.16
5.5.320.0200.04320.26
5.5.310.0230.04020.32
5.5.300.0000.04317.91
5.5.290.0000.04717.88
5.5.280.0070.08320.97
5.5.270.0030.08020.66
5.5.260.0100.08320.96
5.5.250.0070.03720.68
5.5.240.0030.08320.25
5.4.450.0500.05019.52
5.4.440.0500.05719.27
5.4.430.0100.06019.44
5.4.420.0300.05019.32
5.4.410.0200.04719.44
5.4.400.0330.06019.10
5.4.390.0170.05018.82
5.4.380.0230.06718.70
5.4.370.0130.06018.68
5.4.360.0200.04718.72
5.4.350.0200.05318.68
5.4.340.0130.06018.49
5.4.320.0270.04318.73
5.4.310.0200.05718.70
5.4.300.0200.05018.52
5.4.290.0230.04718.58
5.4.280.0270.04318.68
5.4.270.0100.05718.48
5.4.260.0270.04318.79
5.4.250.0200.05018.75
5.4.240.0070.06318.70
5.4.230.0230.04318.49
5.4.220.0200.05018.61
5.4.210.0200.05018.71
5.4.200.0100.05316.53
5.4.190.0170.04718.51
5.4.180.0300.04018.71
5.4.170.0230.07018.66
5.4.160.0230.04318.70
5.4.150.0170.05018.59
5.4.140.0300.04316.33
5.4.130.0200.04316.26
5.4.120.0130.05016.27
5.4.110.0170.05016.05
5.4.100.0130.05316.22
5.4.90.0130.05316.14
5.4.80.0200.04716.20
5.4.70.0170.05016.03
5.4.60.0230.04316.27
5.4.50.0170.06716.01
5.4.40.0200.06716.32
5.4.30.0170.05316.24
5.4.20.0230.04716.09
5.4.10.0130.06016.22
5.4.00.0170.05015.45
5.3.290.0230.05014.70
5.3.280.0330.04014.64
5.3.270.0130.06014.64
5.3.260.0200.05014.67
5.3.250.0200.05314.63
5.3.240.0170.05714.53
5.3.230.0170.05314.68
5.3.220.0100.05714.48
5.3.210.0200.06714.59
5.3.200.0270.06314.55
5.3.190.0170.05314.65
5.3.180.0170.05714.59
5.3.170.0170.05014.47
5.3.160.0130.05314.59
5.3.150.0130.05314.51
5.3.140.0230.04314.46
5.3.130.0300.04014.61
5.3.120.0100.06014.52
5.3.110.0300.04014.64
5.3.100.0130.05713.98
5.3.90.0230.04713.93
5.3.80.0270.04314.05
5.3.70.0200.04714.00
5.3.60.0170.05014.08
5.3.50.0100.05714.01
5.3.40.0200.04713.85
5.3.30.0200.04714.00
5.3.20.0070.06013.65
5.3.10.0170.04713.62
5.3.00.0130.05713.66
5.2.170.0130.04711.19
5.2.160.0170.03711.09
5.2.150.0100.04711.11
5.2.140.0130.04711.08
5.2.130.0130.04311.06
5.2.120.0130.04311.13
5.2.110.0130.04311.23
5.2.100.0200.03311.07
5.2.90.0230.04011.10
5.2.80.0100.04711.00
5.2.70.0100.04711.05
5.2.60.0230.03011.10
5.2.50.0130.04311.07
5.2.40.0100.04011.02
5.2.30.0170.03711.03
5.2.20.0100.04310.91
5.2.10.0070.05011.01
5.2.00.0200.03010.75
5.1.60.0030.04010.02
5.1.50.0130.03010.04
5.1.40.0100.03310.04
5.1.30.0100.03710.43
5.1.20.0070.04010.36
5.1.10.0100.03710.08
5.1.00.0070.04010.08
5.0.50.0130.0278.52
5.0.40.0100.0338.41
5.0.30.0100.0438.28
5.0.20.0130.0208.37
5.0.10.0030.0378.16
5.0.00.0000.0508.29
4.4.90.0100.0205.81
4.4.80.0100.0235.80
4.4.70.0070.0305.87
4.4.60.0030.0235.86
4.4.50.0070.0205.87
4.4.40.0000.0405.82
4.4.30.0100.0205.85
4.4.20.0130.0176.00
4.4.10.0030.0235.96
4.4.00.0070.0335.93
4.3.110.0030.0235.84
4.3.100.0130.0175.83
4.3.90.0100.0175.82
4.3.80.0130.0275.78
4.3.70.0030.0275.83
4.3.60.0100.0175.83
4.3.50.0070.0235.76
4.3.40.0070.0375.77
4.3.30.0030.0234.59
4.3.20.0030.0234.64
4.3.10.0070.0204.50
4.3.00.0070.0237.76

preferences:
57.2 ms | 400 KiB | 5 Q