3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Oddity{ public $var = 'a' . 'b'; }

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)
8.3.60.0070.00718.18
8.3.50.0070.01021.09
8.3.40.0160.00318.72
8.3.30.0070.00720.05
8.3.20.0030.00520.35
8.3.10.0000.00822.14
8.3.00.0040.00422.45
8.2.180.0150.00718.41
8.2.170.0070.00722.96
8.2.160.0100.00321.98
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0000.00720.56
8.2.110.0000.00919.38
8.2.100.0090.00317.66
8.2.90.0000.00718.96
8.2.80.0040.00417.97
8.2.70.0060.00317.25
8.2.60.0040.00417.80
8.2.50.0080.00018.07
8.2.40.0000.00818.09
8.2.30.0000.00719.43
8.2.20.0000.00717.48
8.2.10.0050.00217.54
8.2.00.0090.00017.42
8.1.280.0070.01125.92
8.1.270.0070.00023.99
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0060.00322.34
8.1.230.0080.00320.89
8.1.220.0000.00818.77
8.1.210.0040.00419.01
8.1.200.0060.00317.10
8.1.190.0000.00817.25
8.1.180.0030.00618.10
8.1.170.0030.00518.61
8.1.160.0040.00418.74
8.1.150.0000.00818.55
8.1.140.0040.00417.36
8.1.130.0000.00717.63
8.1.120.0000.00717.23
8.1.110.0000.00817.20
8.1.100.0040.00417.27
8.1.90.0050.00317.21
8.1.80.0000.00717.38
8.1.70.0070.00017.26
8.1.60.0040.00417.45
8.1.50.0000.01117.37
8.1.40.0040.00417.30
8.1.30.0050.00317.45
8.1.20.0030.00617.52
8.1.10.0070.00017.30
8.1.00.0080.00317.23
8.0.300.0070.00019.93
8.0.290.0030.00317.05
8.0.280.0000.00818.31
8.0.270.0030.00317.13
8.0.260.0060.00016.73
8.0.250.0030.00316.80
8.0.240.0070.00016.77
8.0.230.0030.00316.68
8.0.220.0030.00316.68
8.0.210.0030.00316.71
8.0.200.0000.00616.86
8.0.190.0030.00316.72
8.0.180.0070.00016.67
8.0.170.0070.00016.61
8.0.160.0000.00716.65
8.0.150.0000.00716.75
8.0.140.0050.00316.72
8.0.130.0030.00313.25
8.0.120.0000.00716.56
8.0.110.0040.00416.78
8.0.100.0040.00416.64
8.0.90.0000.00716.55
8.0.80.0060.01116.82
8.0.70.0050.00316.66
8.0.60.0000.00716.73
8.0.50.0040.00416.62
8.0.30.0120.00916.91
8.0.20.0090.00917.40
8.0.10.0050.00316.75
8.0.00.0140.00516.66
7.4.330.0050.00016.79
7.4.320.0060.00016.45
7.4.300.0030.00316.51
7.4.290.0030.00316.29
7.4.280.0000.00816.48
7.4.270.0030.00316.47
7.4.260.0030.00313.25
7.4.250.0070.00016.36
7.4.240.0050.00216.43
7.4.230.0070.00016.50
7.4.220.0050.01316.47
7.4.210.0090.00616.37
7.4.200.0070.00016.36
7.4.190.0030.00316.59
7.4.160.0090.00616.25
7.4.150.0070.01017.40
7.4.140.0090.00817.86
7.4.130.0060.01116.46
7.4.120.0100.00816.38
7.4.110.0030.01416.30
7.4.100.0090.00916.45
7.4.90.0110.00516.43
7.4.80.0140.00319.39
7.4.70.0160.00016.46
7.4.60.0120.00616.37
7.4.50.0000.00816.29
7.4.40.0110.00022.77
7.4.30.0090.00616.46
7.4.00.0030.00914.90
7.3.330.0050.00013.13
7.3.320.0000.00713.18
7.3.310.0040.00416.25
7.3.300.0030.00316.02
7.3.290.0110.00916.16
7.3.280.0090.00716.13
7.3.270.0060.01017.40
7.3.260.0080.01616.12
7.3.250.0080.01116.36
7.3.240.0030.01316.38
7.3.230.0060.01016.39
7.3.210.0170.00016.13
7.3.200.0150.00919.39
7.3.190.0090.01216.30
7.3.180.0090.01216.39
7.3.170.0120.00316.27
7.3.160.0070.01116.35
7.3.120.0130.00314.86
7.2.330.0090.00916.36
7.2.320.0060.01216.30
7.2.310.0100.00716.29
7.2.300.0140.00616.17
7.2.290.0060.01016.47
7.2.00.0080.00819.09
7.1.100.0070.01117.97
7.1.70.0030.00316.84
7.1.60.0160.00919.21
7.1.50.0190.02234.77
7.1.00.0100.04322.42
7.0.200.0030.00616.58
7.0.140.0070.07322.09
7.0.70.3400.03020.14
7.0.60.0100.03719.88
7.0.50.0130.04317.76
7.0.40.0030.04720.10
7.0.30.0570.07320.26
7.0.20.0230.05020.06
7.0.10.0170.04020.09
7.0.00.0130.07320.11
5.6.280.0000.07721.07
5.6.210.0030.08020.59
5.6.200.0070.05718.14
5.6.190.0000.04720.67
5.6.180.0000.05020.45
5.6.170.0400.07720.56
5.6.160.0030.06720.54
5.6.150.0030.04018.15
5.6.140.0030.07018.14
5.6.130.0000.05318.11
5.6.120.0070.08321.13
5.6.110.0070.08321.00
5.6.100.0070.08320.88
5.6.90.0030.08021.10
5.6.80.0000.04320.40
5.6.70.0230.07020.50
5.5.350.0030.06320.35
5.5.340.0100.07718.09
5.5.330.0100.05020.13
5.5.320.0000.04320.21
5.5.310.0330.08020.41
5.5.300.0070.07318.07
5.5.290.0100.03317.93
5.5.280.0100.04020.73
5.5.270.0070.07720.87
5.5.260.0100.05720.79
5.5.250.0070.07320.57
5.5.240.0070.08320.34
5.4.450.0670.05019.58
5.4.440.0200.06019.58
5.4.430.0130.06019.18
5.4.420.0270.04319.44
5.4.410.0230.06019.35
5.4.400.0130.06019.29
5.4.390.0270.07718.86
5.4.380.0230.05318.84
5.4.370.0030.04018.76
5.4.360.0070.04018.54
5.4.350.0040.03512.03
5.4.340.0080.03412.02
5.4.320.0060.03612.50
5.4.310.0060.03712.50
5.4.300.0080.03612.51
5.4.290.0090.04712.50
5.4.280.0120.03612.40
5.4.270.0050.03912.40
5.4.260.0070.03812.40
5.4.250.0050.04212.40
5.4.240.0060.03612.40
5.4.230.0040.03912.39
5.4.220.0090.03212.39
5.4.210.0030.03812.39
5.4.200.0070.03812.39
5.4.190.0080.03312.39
5.4.180.0070.03512.39
5.4.170.0100.04112.39
5.4.160.0120.03912.38
5.4.150.0130.04112.37
5.4.140.0130.04212.06
5.4.130.0140.04012.04
5.4.120.0130.03912.01
5.4.110.0140.03812.00
5.4.100.0130.04212.00
5.4.90.0120.04112.00
5.4.80.0120.04112.00
5.4.70.0160.05612.00
5.4.60.0140.03812.00
5.4.50.0150.04012.00
5.4.40.0120.04511.99
5.4.30.0160.04911.98
5.4.20.0110.04111.98
5.4.10.0130.04011.98
5.4.00.0110.04111.47
5.3.290.0070.03812.80
5.3.280.0040.04012.71
5.3.270.0120.04312.72
5.3.260.0120.04312.72
5.3.250.0120.04112.72
5.3.240.0110.04912.72
5.3.230.0200.06112.71
5.3.220.0140.04312.68
5.3.210.0130.04512.68
5.3.200.0180.04012.68
5.3.190.0130.04612.67
5.3.180.0250.05312.67
5.3.170.0150.04112.67
5.3.160.0140.04212.67
5.3.150.0150.04112.67
5.3.140.0160.05012.66
5.3.130.0180.06112.66
5.3.120.0160.04212.66
5.3.110.0180.03912.66
5.3.100.0180.04712.12
5.3.90.0130.04112.09
5.3.80.0130.04312.08
5.3.70.0140.04312.08
5.3.60.0150.04212.07
5.3.50.0120.04312.01
5.3.40.0200.05512.01
5.3.30.0200.05511.97
5.3.20.0110.04411.75
5.3.10.0260.04011.71
5.3.00.0140.03911.70

preferences:
33.8 ms | 401 KiB | 5 Q