3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = [1,2]; $a2 = &$a1; $a1[] = 3; var_dump($a1, $a2);

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)
8.3.60.0040.01118.16
8.3.50.0160.00322.11
8.3.40.0070.01118.70
8.3.30.0110.00419.00
8.3.20.0040.00420.33
8.3.10.0080.00020.50
8.3.00.0000.00819.26
8.2.180.0070.01018.29
8.2.170.0070.00722.96
8.2.160.0070.00720.35
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0060.00326.16
8.2.120.0070.00022.18
8.2.110.0090.00022.19
8.2.100.0050.00517.53
8.2.90.0050.00319.17
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0080.00017.90
8.2.50.0040.00418.07
8.2.40.0080.00018.22
8.2.30.0040.00418.13
8.2.20.0040.00417.67
8.2.10.0050.00318.00
8.2.00.0000.00817.51
8.1.280.0110.00425.92
8.1.270.0000.00822.11
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00623.79
8.1.230.0090.00619.09
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0030.00617.10
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0040.00418.44
8.1.160.0000.00722.06
8.1.150.0000.00718.83
8.1.140.0050.00317.39
8.1.130.0000.00717.79
8.1.120.0070.00017.29
8.1.110.0040.00417.25
8.1.100.0000.00717.43
8.1.90.0000.00817.41
8.1.80.0070.00017.39
8.1.70.0080.00017.36
8.1.60.0000.00817.41
8.1.50.0090.00017.36
8.1.40.0000.00717.34
8.1.30.0030.00517.61
8.1.20.0050.00317.60
8.1.10.0000.00817.35
8.1.00.0070.00017.41
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0030.00318.38
8.0.270.0030.00317.20
8.0.260.0040.00417.21
8.0.250.0070.00016.74
8.0.240.0030.00316.88
8.0.230.0000.00816.78
8.0.220.0000.00716.84
8.0.210.0000.00716.71
8.0.200.0060.00316.88
8.0.190.0000.00816.85
8.0.180.0040.00416.87
8.0.170.0040.00416.75
8.0.160.0030.00316.93
8.0.150.0090.00016.82
8.0.140.0040.00416.77
8.0.130.0000.00613.20
8.0.120.0030.00616.73
8.0.110.0000.00716.84
8.0.100.0030.00516.88
8.0.90.0070.00016.72
8.0.80.0090.00716.83
8.0.70.0030.00516.88
8.0.60.0000.00716.62
8.0.50.0000.00716.63
8.0.30.0110.00716.84
8.0.20.0160.00417.40
8.0.10.0040.00416.80
8.0.00.0060.01116.55
7.4.330.0000.00515.08
7.4.320.0000.00616.55
7.4.300.0030.00316.38
7.4.290.0040.00416.46
7.4.280.0050.00216.50
7.4.270.0070.00016.57
7.4.260.0000.00716.42
7.4.250.0040.00416.36
7.4.240.0050.00216.55
7.4.230.0000.00716.54
7.4.220.0110.01416.53
7.4.210.0150.00616.39
7.4.200.0070.00016.57
7.4.160.0030.01216.61
7.4.150.0150.00317.40
7.4.140.0130.00517.86
7.4.130.0140.00616.37
7.4.120.0100.00716.42
7.4.110.0120.00616.60
7.4.100.0070.01416.39
7.4.90.0140.00316.46
7.4.80.0070.01119.39
7.4.70.0100.00716.36
7.4.60.0060.01316.49
7.4.50.0000.00716.39
7.4.40.0060.01116.29
7.4.30.0110.00716.42
7.4.00.0140.00314.80
7.3.330.0030.00313.08
7.3.320.0050.00013.05
7.3.310.0030.00316.20
7.3.300.0070.00016.11
7.3.290.0110.00416.29
7.3.280.0110.00616.23
7.3.270.0100.00717.40
7.3.260.0120.00416.54
7.3.250.0100.00716.45
7.3.240.0100.00616.26
7.3.230.0050.01116.39
7.3.210.0130.00316.15
7.3.200.0150.00619.39
7.3.190.0140.00316.37
7.3.180.0090.00616.46
7.3.170.0060.01116.48
7.3.160.0060.01316.44
7.3.10.0000.01316.59
7.3.00.0090.00616.57
7.2.330.0060.01016.48
7.2.320.0060.01116.30
7.2.310.0340.01416.54
7.2.300.0100.00716.55
7.2.290.0180.00616.71
7.2.130.0070.00716.54
7.2.120.0080.00816.80
7.2.110.0120.00016.95
7.2.100.0000.01816.61
7.2.90.0090.00616.54
7.2.80.0070.00716.95
7.2.70.0060.00616.80
7.2.60.0090.00616.62
7.2.50.0080.00816.66
7.2.40.0000.01216.92
7.2.30.0120.00316.71
7.2.20.0070.00316.82
7.2.10.0110.00716.87
7.2.00.0050.01017.93
7.1.250.0100.00315.50
7.1.100.0040.00717.80
7.1.70.0060.00316.77
7.1.60.0110.01419.32
7.1.50.0030.00916.86
7.1.00.0030.07722.54
7.0.200.0080.00316.63
7.0.140.0070.06721.98
7.0.60.0070.04019.93
7.0.50.0030.04017.83
7.0.40.0070.04020.30
7.0.30.0270.06320.18
7.0.20.0170.04720.04
7.0.10.0330.07720.09
7.0.00.0030.04320.19
5.6.280.0070.06721.07
5.6.210.0030.08320.61
5.6.200.0070.04718.19
5.6.190.0070.04320.35
5.6.180.4070.04320.49
5.6.170.0200.04320.42
5.6.160.0100.06720.32
5.6.150.0070.06718.16
5.6.140.0070.03318.15
5.6.130.0070.04018.10
5.6.120.0000.05321.07
5.6.110.0170.07320.97
5.6.100.0200.07321.03
5.6.90.0170.07021.05
5.6.80.0100.07720.34
5.6.70.4570.04320.38
5.5.350.0200.05020.48
5.5.340.0130.07317.88
5.5.330.0070.07320.29
5.5.320.0400.03720.32
5.5.310.0070.05020.32
5.5.300.0100.08017.98
5.5.290.0000.08018.01
5.5.280.0170.07320.87
5.5.270.0100.08720.87
5.5.260.0170.06020.86
5.5.250.0200.07320.66
5.5.240.0070.04020.06
5.4.450.0270.05019.17
5.4.440.0430.06719.41
5.4.430.0600.04319.41
5.4.420.0630.00019.46
5.4.410.0630.00019.39
5.4.400.0630.00019.04
5.4.390.0630.00019.07
5.4.380.0630.00018.96
5.4.370.0630.00019.08
5.4.360.0630.00019.16
5.4.350.0630.00019.18
5.4.340.0630.00019.18
5.4.320.0050.03912.45
5.4.310.0050.04112.45
5.4.300.0120.03612.45
5.4.290.0050.04012.45
5.4.280.0050.04412.34
5.4.270.0050.03812.35
5.4.260.0060.04112.34
5.4.250.0070.03812.34
5.4.240.0080.03512.34
5.4.230.0050.04112.34
5.4.220.0050.03812.34
5.4.210.0060.03612.34
5.4.200.0110.03912.34
5.4.190.0040.03912.33
5.4.180.0050.03712.34
5.4.170.0050.03812.35
5.4.160.0060.03612.34
5.4.150.0060.03912.34
5.4.140.0060.03712.02
5.4.130.0050.03612.01
5.4.120.0030.03911.97
5.4.110.0080.04811.96
5.4.100.0060.03911.96
5.4.90.0070.03811.97
5.4.80.0070.03811.96
5.4.70.0060.03611.96
5.4.60.0090.03411.96
5.4.50.0040.03811.96
5.4.40.0040.03711.95
5.4.30.0080.04311.94
5.4.20.0100.04511.95
5.4.10.0060.03911.95
5.4.00.0070.03411.43
5.3.290.0060.04012.80
5.3.280.0060.03812.71
5.3.270.0070.04012.73
5.3.260.0110.03512.71
5.3.250.0040.03912.72
5.3.240.0050.04012.72
5.3.230.0060.04912.71
5.3.220.0040.04412.68
5.3.210.0060.04412.68
5.3.200.0070.04412.68
5.3.190.0070.03912.67
5.3.180.0030.03912.67
5.3.170.0060.03612.67
5.3.160.0080.04312.67
5.3.150.0090.03512.68
5.3.140.0090.03412.66
5.3.130.0050.03912.66
5.3.120.0060.03912.66
5.3.110.0060.03912.66
5.3.100.0050.03812.12
5.3.90.0080.03612.08
5.3.80.0060.03812.08
5.3.70.0050.03812.07
5.3.60.0110.03212.06
5.3.50.0080.03712.00
5.3.40.0080.03412.00
5.3.30.0060.03511.95
5.3.20.0040.03711.72
5.3.10.0060.03611.70
5.3.00.0070.03411.68
5.2.170.0030.0339.18
5.2.160.0040.0299.18
5.2.150.0060.0339.18
5.2.140.0030.0329.17
5.2.130.0040.0299.14
5.2.120.0050.0319.14
5.2.110.0060.0319.15
5.2.100.0050.0289.14
5.2.90.0050.0289.14
5.2.80.0040.0309.14
5.2.70.0060.0319.14
5.2.60.0040.0309.09
5.2.50.0040.0329.06
5.2.40.0070.0269.03
5.2.30.0050.0309.02
5.2.20.0040.0329.00
5.2.10.0040.0288.92
5.2.00.0100.0238.78
5.1.60.0020.0268.07
5.1.50.0040.0258.06
5.1.40.0130.0168.05
5.1.30.0000.0318.39
5.1.20.0040.0288.41
5.1.10.0020.0308.14
5.1.00.0050.0268.14
5.0.50.0040.0226.62
5.0.40.0030.0206.48
5.0.30.0110.0276.29
5.0.20.0020.0206.27
5.0.10.0020.0206.23
5.0.00.0030.0306.23
4.4.90.0020.0164.78
4.4.80.0030.0174.76
4.4.70.0030.0154.75
4.4.60.0020.0164.75
4.4.50.0030.0144.77
4.4.40.0010.0264.71
4.4.30.0030.0154.76
4.4.20.0050.0134.84
4.4.10.0040.0144.85
4.4.00.0020.0254.76
4.3.110.0010.0174.67
4.3.100.0020.0154.67
4.3.90.0020.0154.63
4.3.80.0010.0264.59
4.3.70.0040.0134.63
4.3.60.0030.0154.63
4.3.50.0040.0154.63
4.3.40.0020.0254.54
4.3.30.0030.0153.29
4.3.20.0030.0143.26
4.3.10.0030.0143.21
4.3.00.0070.01313.59

preferences:
46.01 ms | 401 KiB | 5 Q