3v4l.org

run code in 300+ PHP versions simultaneously
<?php list($a,$b) = "aa"; var_dump($a,$b); $a = array(); $a[]="a"; $a[] ="b"; list($a,$b) = $a; var_dump($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)
8.3.60.0110.00418.40
8.3.50.0120.00722.12
8.3.40.0030.01218.63
8.3.30.0000.01419.09
8.3.20.0020.00520.20
8.3.10.0080.00023.34
8.3.00.0000.00819.26
8.2.180.0120.00616.63
8.2.170.0060.00922.96
8.2.160.0110.00420.53
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00022.04
8.2.110.0040.00420.45
8.2.100.0040.01117.78
8.2.90.0000.00719.17
8.2.80.0040.00417.97
8.2.70.0040.00417.38
8.2.60.0000.00818.05
8.2.50.0000.00818.07
8.2.40.0000.00919.88
8.2.30.0000.00718.17
8.2.20.0000.00717.68
8.2.10.0070.00018.11
8.2.00.0000.00717.62
8.1.280.0100.00725.92
8.1.270.0060.00323.66
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00323.96
8.1.230.0080.00319.08
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0000.00917.23
8.1.190.0000.00816.88
8.1.180.0040.00418.10
8.1.170.0040.00818.65
8.1.160.0000.00721.86
8.1.150.0040.00418.70
8.1.140.0000.00717.26
8.1.130.0030.00317.81
8.1.120.0000.00717.36
8.1.110.0080.00017.43
8.1.100.0000.00717.44
8.1.90.0040.00417.43
8.1.80.0000.00717.40
8.1.70.0070.00017.34
8.1.60.0060.00317.45
8.1.50.0040.00417.33
8.1.40.0030.00517.46
8.1.30.0030.00517.48
8.1.20.0000.00817.43
8.1.10.0000.00817.61
8.1.00.0000.00917.52
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0040.00418.38
8.0.270.0070.00017.10
8.0.260.0030.00317.22
8.0.250.0070.00016.79
8.0.240.0070.00016.88
8.0.230.0000.00716.75
8.0.220.0040.00416.86
8.0.210.0030.00316.71
8.0.200.0050.00316.93
8.0.190.0020.00516.82
8.0.180.0040.00416.77
8.0.170.0080.00016.81
8.0.160.0030.00316.81
8.0.150.0000.00716.84
8.0.140.0080.00416.69
8.0.130.0050.00013.30
8.0.120.0050.00316.81
8.0.110.0000.00716.73
8.0.100.0070.00016.84
8.0.90.0080.00016.85
8.0.80.0080.01316.89
8.0.70.0050.00316.79
8.0.60.0040.00416.89
8.0.50.0040.00416.70
8.0.30.0130.00616.98
8.0.20.0080.01317.40
8.0.10.0040.00416.89
8.0.00.0030.01316.88
7.4.330.0020.00215.00
7.4.320.0030.00316.53
7.4.300.0040.00416.52
7.4.290.0070.00016.58
7.4.280.0000.00816.53
7.4.270.0030.00716.36
7.4.260.0000.00716.42
7.4.250.0040.00416.33
7.4.240.0040.00416.47
7.4.230.0040.00416.47
7.4.220.0120.01316.30
7.4.210.0060.01316.57
7.4.200.0000.00716.37
7.4.160.0130.00616.51
7.4.150.0070.01117.40
7.4.140.0080.00917.86
7.4.130.0090.00916.38
7.4.120.0100.00716.47
7.4.110.0140.00316.64
7.4.100.0080.00816.42
7.4.90.0030.01216.48
7.4.80.0100.01019.39
7.4.70.0100.01016.34
7.4.60.0040.01216.35
7.4.50.0060.00316.27
7.4.40.0070.01116.57
7.4.30.0120.00816.40
7.4.00.0030.00915.16
7.3.330.0000.00513.02
7.3.320.0030.00313.00
7.3.310.0070.00016.12
7.3.300.0030.00316.22
7.3.290.0120.00416.21
7.3.280.0080.00816.29
7.3.270.0030.01617.40
7.3.260.0130.00316.30
7.3.240.0030.01316.46
7.3.230.0090.01216.39
7.3.210.0140.00416.16
7.3.200.0060.01519.39
7.3.190.0150.00316.49
7.3.180.0060.01116.35
7.3.170.0080.00816.28
7.3.160.0120.00416.13
7.2.330.0070.01116.55
7.2.320.0110.00616.27
7.2.310.0040.01416.65
7.2.300.0140.01216.44
7.2.290.0180.00616.63
7.2.60.0090.00616.55
7.2.50.0080.00816.83
7.1.200.0030.01015.68
7.1.70.0030.00617.15
7.1.60.0070.01519.32
7.1.50.0260.00734.67
7.1.00.0030.07722.48
7.0.200.0070.00716.83
7.0.140.0130.06321.92
7.0.60.0070.08319.93
7.0.50.0000.04317.66
7.0.40.0100.04320.40
7.0.30.0330.05320.02
7.0.20.0230.08720.17
7.0.10.0070.08020.20
7.0.00.0070.08720.08
5.6.280.0130.06321.02
5.6.210.0100.05320.64
5.6.200.0070.04018.16
5.6.190.0170.06320.45
5.6.180.0230.08020.44
5.6.170.0300.07320.39
5.6.160.0000.04720.46
5.6.150.0100.08018.18
5.6.140.0100.03318.20
5.6.130.0000.05718.20
5.6.120.0070.05320.93
5.6.110.0130.07720.88
5.6.100.0170.07721.00
5.6.90.0000.04721.00
5.6.80.0030.07720.50
5.5.350.0130.06020.37
5.5.340.0070.08017.92
5.5.330.0070.08320.19
5.5.320.0500.06320.28
5.5.310.0300.06720.30
5.5.300.0030.04017.93
5.5.290.0070.08017.87
5.5.280.0030.05320.77
5.5.270.0100.04020.78
5.5.260.0100.04720.86
5.5.250.0100.08020.74
5.5.240.0270.07020.15
5.4.450.0870.05319.27
5.4.440.0930.07019.24
5.4.430.0830.05719.47
5.4.420.0630.00019.14
5.4.410.0630.00019.52
5.4.400.0600.00019.38
5.4.390.0600.00019.18
5.4.380.0630.00019.09
5.4.370.0630.00019.04
5.4.360.0600.00019.19
5.4.350.0630.00019.15
5.4.340.0100.04011.97
5.4.320.0070.04212.45
5.4.310.0040.04012.45
5.4.300.0060.03712.45
5.4.290.0060.03912.45
5.4.280.0070.03612.35
5.4.270.0050.04012.34
5.4.260.0060.04312.35
5.4.250.0050.04112.35
5.4.240.0110.03212.35
5.4.230.0050.04012.34
5.4.220.0060.03812.34
5.4.210.0060.03712.34
5.4.200.0060.04212.34
5.4.190.0060.04512.34
5.4.180.0110.03612.34
5.4.170.0070.03912.35
5.4.160.0060.03512.34
5.4.150.0060.03512.34
5.4.140.0050.03812.03
5.4.130.0040.03812.01
5.4.120.0030.04411.97
5.4.110.0070.03311.97
5.4.100.0100.03011.97
5.4.90.0060.03611.96
5.4.80.0060.03611.96
5.4.70.0090.03711.96
5.4.60.0060.03411.96
5.4.50.0050.03511.96
5.4.40.0040.03611.95
5.4.30.0060.03511.95
5.4.20.0040.03611.95
5.4.10.0060.03411.95
5.4.00.0070.03411.44
5.3.290.0050.04012.80
5.3.280.0070.03712.71
5.3.270.0090.03612.72
5.3.260.0070.03812.72
5.3.250.0050.04112.72
5.3.240.0060.03712.72
5.3.230.0030.04112.71
5.3.220.0070.03712.68
5.3.210.0080.04212.68
5.3.200.0050.03812.68
5.3.190.0040.03912.68
5.3.180.0090.03312.67
5.3.170.0050.03812.67
5.3.160.0070.03612.68
5.3.150.0060.03712.68
5.3.140.0060.03512.66
5.3.130.0060.03712.66
5.3.120.0040.04012.66
5.3.110.0060.03812.66
5.3.100.0030.03912.12
5.3.90.0020.04012.09
5.3.80.0120.03012.08
5.3.70.0070.03512.07
5.3.60.0060.03612.06
5.3.50.0060.03512.00
5.3.40.0050.03712.00
5.3.30.0070.03311.95
5.3.20.0070.03311.72
5.3.10.0040.03711.69
5.3.00.0080.03411.68
5.2.170.0010.0359.18
5.2.160.0040.0299.18
5.2.150.0020.0339.18
5.2.140.0040.0319.18
5.2.130.0020.0319.13
5.2.120.0060.0279.13
5.2.110.0040.0309.14
5.2.100.0060.0319.14
5.2.90.0030.0309.14
5.2.80.0050.0299.13
5.2.70.0070.0349.13
5.2.60.0040.0399.09
5.2.50.0040.0339.05
5.2.40.0070.0269.03
5.2.30.0050.0309.01
5.2.20.0040.0299.00
5.2.10.0050.0278.92
5.2.00.0030.0318.78
5.1.60.0040.0248.07
5.1.50.0060.0278.06
5.1.40.0040.0248.04
5.1.30.0080.0298.39
5.1.20.0040.0268.42
5.1.10.0050.0258.14
5.1.00.0040.0258.14
5.0.50.0030.0216.61
5.0.40.0060.0206.48
5.0.30.0030.0316.29
5.0.20.0050.0256.26
5.0.10.0030.0206.23
5.0.00.0050.0296.23
4.4.90.0020.0174.78
4.4.80.0030.0154.76
4.4.70.0010.0184.75
4.4.60.0040.0204.75
4.4.50.0010.0174.77
4.4.40.0020.0274.70
4.4.30.0040.0174.76
4.4.20.0060.0124.85
4.4.10.0050.0144.85
4.4.00.0030.0244.76
4.3.110.0030.0154.67
4.3.100.0030.0154.66
4.3.90.0020.0154.64
4.3.80.0040.0234.58
4.3.70.0040.0134.63
4.3.60.0010.0234.63
4.3.50.0020.0164.63
4.3.40.0070.0284.53
4.3.30.0010.0173.29
4.3.20.0020.0163.26
4.3.10.0000.0173.21
4.3.00.0200.0307.09

preferences:
49.1 ms | 401 KiB | 5 Q