3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ 123 ]; $b = $a; var_dump($a); var_dump($b); echo 'Made change!'; $a[0] = 456; var_dump($a); var_dump($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)
8.3.60.0070.00716.50
8.3.50.0070.01222.84
8.3.40.0110.00318.84
8.3.30.0070.00719.26
8.3.20.0070.00020.18
8.3.10.0040.00423.48
8.3.00.0040.00419.38
8.2.180.0250.00318.31
8.2.170.0170.00322.96
8.2.160.0100.00720.38
8.2.150.0000.00724.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00420.87
8.2.110.0070.00320.21
8.2.100.0070.00418.16
8.2.90.0070.00019.35
8.2.80.0090.00017.97
8.2.70.0040.00417.50
8.2.60.0040.00418.05
8.2.50.0030.00518.07
8.2.40.0000.00919.95
8.2.30.0000.00718.07
8.2.20.0040.00417.57
8.2.10.0080.00018.00
8.2.00.0040.00417.59
8.1.280.0210.00025.92
8.1.270.0040.00423.96
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00023.77
8.1.230.0100.00019.22
8.1.220.0000.00817.78
8.1.210.0000.00918.77
8.1.200.0040.00417.23
8.1.190.0050.00317.22
8.1.180.0040.00418.10
8.1.170.0040.00418.44
8.1.160.0050.00321.87
8.1.150.0000.00718.70
8.1.140.0020.00517.30
8.1.130.0000.00817.77
8.1.120.0040.00417.41
8.1.110.0040.00417.39
8.1.100.0030.00317.30
8.1.90.0070.00017.42
8.1.80.0000.00717.45
8.1.70.0030.00317.34
8.1.60.0040.00417.44
8.1.50.0050.00317.40
8.1.40.0030.00617.34
8.1.30.0000.00817.48
8.1.20.0040.00417.59
8.1.10.0040.00417.43
8.1.00.0000.00817.49
8.0.300.0000.00818.77
8.0.290.0080.00016.75
8.0.280.0050.00518.36
8.0.270.0070.00017.19
8.0.260.0050.00317.27
8.0.250.0000.00716.83
8.0.240.0040.00416.90
8.0.230.0030.00316.80
8.0.220.0030.00316.89
8.0.210.0000.00816.73
8.0.200.0060.00316.78
8.0.190.0060.00316.80
8.0.180.0080.00016.84
8.0.170.0050.00316.82
8.0.160.0000.00716.82
8.0.150.0040.00416.71
8.0.140.0040.00416.80
8.0.130.0000.00513.18
8.0.120.0030.00516.69
8.0.110.0050.00316.79
8.0.100.0040.00416.61
8.0.90.0080.00016.77
8.0.80.0130.00916.82
8.0.70.0000.00716.88
8.0.60.0040.00416.84
8.0.50.0000.00816.71
8.0.30.0140.01217.22
8.0.20.0070.01417.40
8.0.10.0000.00716.95
8.0.00.0080.01016.83
7.4.330.0070.00015.00
7.4.320.0000.00616.38
7.4.300.0040.00616.49
7.4.290.0000.00716.37
7.4.280.0080.00016.58
7.4.270.0000.00716.44
7.4.260.0040.00416.57
7.4.250.0070.00016.28
7.4.240.0040.00416.48
7.4.230.0030.00316.59
7.4.220.0090.00916.54
7.4.210.0100.00316.50
7.4.200.0040.00416.44
7.4.160.0100.00616.63
7.4.150.0150.00617.40
7.4.140.0110.01217.86
7.4.130.0090.01116.43
7.4.120.0080.00816.45
7.4.110.0100.01316.44
7.4.100.0170.00716.59
7.4.90.0110.00616.37
7.4.80.0140.00419.39
7.4.70.0060.01216.49
7.4.60.0140.00316.46
7.4.50.0060.00316.33
7.4.40.0100.00716.42
7.4.30.0060.00916.58
7.4.00.0060.01215.00
7.3.330.0030.00313.01
7.3.320.0050.00012.94
7.3.310.0040.00416.25
7.3.300.0040.00416.25
7.3.290.0100.01016.09
7.3.280.0080.00816.21
7.3.270.0090.00917.40
7.3.260.0110.00616.26
7.3.250.0070.01116.59
7.3.240.0160.00016.60
7.3.230.0030.01416.49
7.3.210.0120.01216.43
7.3.200.0140.00719.39
7.3.190.0030.01316.37
7.3.180.0030.01316.25
7.3.170.0100.00616.43
7.3.160.0090.01316.55
7.2.330.0090.00816.66
7.2.320.0150.00316.61
7.2.310.0070.01116.49
7.2.300.0120.00916.48
7.2.290.0080.00816.54
7.2.60.0040.00816.73
7.2.50.0000.01316.84
7.1.200.0040.00815.49
7.1.70.0030.01017.18
7.1.60.0100.01319.46
7.1.50.0070.01316.64
7.1.00.0070.07322.30
7.0.200.0050.00216.70
7.0.140.0000.08022.08
7.0.60.0130.07319.85
7.0.50.0000.04317.90
7.0.40.0100.08019.90
7.0.30.0300.07020.20
7.0.20.0200.05720.20
7.0.10.0130.07320.04
7.0.00.0030.04020.08
5.6.280.0100.06721.09
5.6.210.0070.08720.56
5.6.200.0030.08318.16
5.6.190.0070.05020.32
5.6.180.0470.03720.64
5.6.170.0400.07320.48
5.6.160.0100.07020.51
5.6.150.0000.04318.11
5.6.140.0070.08018.11
5.6.130.0030.04718.14
5.6.120.0130.07720.92
5.6.110.0030.08021.13
5.6.100.0100.07320.93
5.6.90.0070.08320.87
5.6.80.0100.07720.37
5.5.350.0170.06020.28
5.5.340.0100.07017.88
5.5.330.0100.05020.19
5.5.320.0370.04720.13
5.5.310.0370.06720.29
5.5.300.0030.05717.95
5.5.290.0170.05717.96
5.5.280.0100.06720.86
5.5.270.0100.08020.86
5.5.260.0030.08320.71
5.5.250.0170.07020.57
5.5.240.0230.06720.34
5.4.450.0270.04319.26
5.4.440.0330.05019.41
5.4.430.0130.04719.41
5.4.420.0300.04319.09
5.4.410.0230.04719.08
5.4.400.0100.04019.25
5.4.390.0200.04319.07
5.4.380.0370.07718.66
5.4.370.0370.05318.73
5.4.360.0300.05318.52
5.4.350.0300.05718.51
5.4.340.0300.06018.64
5.4.320.0050.03812.45
5.4.310.0100.05012.45
5.4.300.0070.05512.45
5.4.290.0050.03912.45
5.4.280.0060.04512.35
5.4.270.0080.03912.35
5.4.260.0070.05412.35
5.4.250.0080.04412.34
5.4.240.0080.03712.34
5.4.230.0100.03812.34
5.4.220.0080.04112.34
5.4.210.0090.03912.34
5.4.200.0100.04812.34
5.4.190.0050.04112.34
5.4.180.0080.03412.33
5.4.170.0080.04312.34
5.4.160.0060.04612.34
5.4.150.0070.04112.34
5.4.140.0080.04712.02
5.4.130.0070.03912.01
5.4.120.0090.03511.97
5.4.110.0080.04011.96
5.4.100.0060.04211.97
5.4.90.0070.03711.96
5.4.80.0080.04111.96
5.4.70.0060.05111.96
5.4.60.0080.03211.96
5.4.50.0050.04111.96
5.4.40.0070.04111.95
5.4.30.0080.04311.95
5.4.20.0100.04711.95
5.4.10.0060.03411.95
5.4.00.0060.03511.43
5.3.290.0060.03912.80
5.3.280.0100.03812.71
5.3.270.0070.04812.72
5.3.260.0100.03712.72
5.3.250.0090.05112.72
5.3.240.0080.04612.72
5.3.230.0070.03912.70
5.3.220.0080.03512.68
5.3.210.0050.04912.68
5.3.200.0110.04212.68
5.3.190.0060.04912.68
5.3.180.0060.04112.67
5.3.170.0060.03612.67
5.3.160.0110.03712.67
5.3.150.0080.03912.67
5.3.140.0100.04712.66
5.3.130.0090.04712.66
5.3.120.0060.04112.66
5.3.110.0030.04112.66
5.3.100.0070.04012.12
5.3.90.0070.04212.09
5.3.80.0090.03512.07
5.3.70.0070.04112.07
5.3.60.0070.03412.06
5.3.50.0070.03612.00
5.3.40.0080.03512.00
5.3.30.0100.03211.95
5.3.20.0060.03511.73
5.3.10.0070.03711.70
5.3.00.0080.04311.68
5.2.170.0070.0289.18
5.2.160.0080.0289.18
5.2.150.0060.0289.18
5.2.140.0050.0329.18
5.2.130.0050.0439.14
5.2.120.0060.0339.14
5.2.110.0070.0329.14
5.2.100.0040.0349.14
5.2.90.0080.0349.14
5.2.80.0040.0409.14
5.2.70.0050.0339.14
5.2.60.0090.0329.09
5.2.50.0060.0389.06
5.2.40.0080.0279.03
5.2.30.0070.0369.01
5.2.20.0060.0299.01
5.2.10.0040.0348.93
5.2.00.0080.0288.78
5.1.60.0040.0248.07
5.1.50.0040.0288.06
5.1.40.0050.0238.05
5.1.30.0040.0288.40
5.1.20.0030.0358.42
5.1.10.0040.0338.14
5.1.00.0040.0348.14
5.0.50.0020.0236.63
5.0.40.0070.0276.48
5.0.30.0080.0346.29
5.0.20.0030.0206.27
5.0.10.0030.0206.24
5.0.00.0070.0276.23
4.4.90.0020.0164.78
4.4.80.0030.0154.75
4.4.70.0040.0144.76
4.4.60.0020.0164.75
4.4.50.0030.0154.77
4.4.40.0010.0274.71
4.4.30.0030.0154.76
4.4.20.0020.0164.85
4.4.10.0060.0214.85
4.4.00.0050.0234.76
4.3.110.0030.0154.67
4.3.100.0020.0154.66
4.3.90.0030.0204.63
4.3.80.0020.0254.58
4.3.70.0040.0134.63
4.3.60.0020.0154.63
4.3.50.0040.0174.63
4.3.40.0030.0234.53
4.3.30.0000.0173.28
4.3.20.0010.0173.25
4.3.10.0010.0173.22
4.3.00.0030.01714.87

preferences:
42.3 ms | 401 KiB | 5 Q