3v4l.org

run code in 300+ PHP versions simultaneously
<?php list($a,$b) = "aa"; var_dump($a,$b); list($a,$b) = str_split("aa"); var_dump($a,$b); $a = array(); $a[]="a"; $a[] ="a"; list($x,$y) = $a; var_dump($x,$y);

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)
8.3.60.0160.00318.40
8.3.50.0130.01022.05
8.3.40.0120.00318.85
8.3.30.0070.00719.05
8.3.20.0100.00720.38
8.3.10.0070.00023.70
8.3.00.0040.00419.25
8.2.180.0000.01516.60
8.2.170.0110.00422.96
8.2.160.0110.00320.35
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0080.00022.27
8.2.110.0060.00321.04
8.2.100.0040.00819.43
8.2.90.0000.00818.94
8.2.80.0030.00517.97
8.2.70.0050.00317.50
8.2.60.0040.00418.05
8.2.50.0040.00418.10
8.2.40.0040.00419.81
8.2.30.0000.00817.91
8.2.20.0040.00417.59
8.2.10.0040.00417.96
8.2.00.0040.00417.75
8.1.280.0070.00725.92
8.1.270.0000.00923.79
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0030.01422.18
8.1.230.0060.00617.89
8.1.220.0000.00817.78
8.1.210.0050.00318.77
8.1.200.0030.00617.13
8.1.190.0040.00417.10
8.1.180.0020.00518.10
8.1.170.0090.00018.50
8.1.160.0040.00421.89
8.1.150.0040.00418.84
8.1.140.0060.00317.38
8.1.130.0000.00717.84
8.1.120.0030.00317.31
8.1.110.0020.00517.37
8.1.100.0030.00317.32
8.1.90.0050.00217.41
8.1.80.0000.00717.42
8.1.70.0070.00017.38
8.1.60.0060.00317.56
8.1.50.0060.00317.48
8.1.40.0000.00817.46
8.1.30.0000.00817.59
8.1.20.0000.00717.60
8.1.10.0050.00317.56
8.1.00.0040.00417.47
8.0.300.0050.00218.77
8.0.290.0080.00016.75
8.0.280.0030.00318.39
8.0.270.0030.00317.19
8.0.260.0000.00617.21
8.0.250.0030.00316.89
8.0.240.0000.00616.91
8.0.230.0000.00716.82
8.0.220.0030.00416.79
8.0.210.0030.00316.83
8.0.200.0040.00416.86
8.0.190.0000.00716.92
8.0.180.0000.00716.91
8.0.170.0000.00816.86
8.0.160.0030.00516.83
8.0.150.0000.00716.80
8.0.140.0070.00416.81
8.0.130.0030.00313.29
8.0.120.0060.00316.84
8.0.110.0040.00416.72
8.0.100.0000.00816.77
8.0.90.0050.00216.61
8.0.80.0030.01716.83
8.0.70.0080.00016.69
8.0.60.0040.00416.79
8.0.50.0030.00516.80
8.0.30.0140.00516.88
8.0.20.0100.01017.40
8.0.10.0040.00416.91
8.0.00.0090.00816.64
7.4.330.0000.00515.00
7.4.320.0060.00016.48
7.4.300.0000.00616.45
7.4.290.0000.00716.55
7.4.280.0040.00416.43
7.4.270.0000.00916.55
7.4.260.0030.00316.41
7.4.250.0030.00516.55
7.4.240.0040.00416.55
7.4.230.0030.00316.33
7.4.220.0070.01016.41
7.4.210.0120.00316.57
7.4.200.0030.00516.25
7.4.160.0150.00016.36
7.4.150.0180.00317.40
7.4.140.0120.00617.86
7.4.130.0150.00616.35
7.4.120.0100.00816.43
7.4.110.0180.00416.48
7.4.100.0030.01616.36
7.4.90.0070.01016.55
7.4.80.0110.00619.39
7.4.70.0180.00416.52
7.4.60.0060.00916.54
7.4.50.0000.00516.52
7.4.40.0090.00916.41
7.4.30.0120.00616.46
7.4.00.0000.01715.10
7.3.330.0000.00613.24
7.3.320.0030.00313.04
7.3.310.0040.00416.27
7.3.300.0070.00016.17
7.3.290.0100.00316.29
7.3.280.0090.00816.27
7.3.270.0040.01217.40
7.3.260.0050.01516.43
7.3.240.0060.01516.33
7.3.230.0180.00416.45
7.3.210.0140.00316.57
7.3.200.0150.00619.39
7.3.190.0090.00716.39
7.3.180.0090.00616.25
7.3.170.0060.00916.42
7.3.160.0110.00516.47
7.2.330.0090.00916.42
7.2.320.0080.00816.31
7.2.310.0120.01016.71
7.2.300.0090.00616.64
7.2.290.0110.01416.60
7.2.00.0090.00619.26
7.1.200.0080.00815.66
7.1.100.0750.01015.85
7.1.70.0040.00417.15
7.1.60.0150.00919.32
7.1.50.0070.00416.76
7.1.00.0000.08022.48
7.0.200.0060.00616.67
7.0.140.0030.07322.02
7.0.60.0130.06319.78
7.0.50.0070.03317.77
7.0.40.0030.07020.27
7.0.30.0230.04020.09
7.0.20.0300.06720.33
7.0.10.0070.08720.33
7.0.00.0100.05020.14
5.6.280.0070.07321.12
5.6.210.0070.05320.60
5.6.200.0100.07718.18
5.6.190.0100.07020.27
5.6.180.0300.04720.59
5.6.170.0270.05320.54
5.6.160.0130.06020.41
5.6.150.0030.08318.09
5.6.140.0100.03718.21
5.6.130.0100.04018.20
5.6.120.0130.08720.73
5.6.110.0070.07021.00
5.6.100.0070.08720.98
5.6.90.0000.04321.09
5.6.80.0030.06020.52
5.5.350.0170.07720.52
5.5.340.0070.08317.98
5.5.330.0170.08320.46
5.5.320.0400.05320.41
5.5.310.0330.05720.30
5.5.300.0070.08017.90
5.5.290.0000.04317.89
5.5.280.0130.04720.87
5.5.270.0070.07720.85
5.5.260.0100.07720.67
5.5.250.0300.06720.65
5.5.240.0300.06720.27
5.4.450.0170.05719.48
5.4.440.0470.06319.25
5.4.430.0970.06019.48
5.4.420.0630.00019.51
5.4.410.0670.00019.04
5.4.400.0630.00019.03
5.4.390.0600.00019.18
5.4.380.0730.00019.16
5.4.370.0630.00019.18
5.4.360.0600.00019.02
5.4.350.0700.00019.13
5.4.340.0050.03611.97
5.4.320.0100.04412.46
5.4.310.0060.03812.45
5.4.300.0090.03212.46
5.4.290.0060.04112.45
5.4.280.0070.03812.35
5.4.270.0080.03312.35
5.4.260.0050.03812.35
5.4.250.0060.03812.35
5.4.240.0070.03412.34
5.4.230.0070.03512.34
5.4.220.0030.03812.34
5.4.210.0060.03912.34
5.4.200.0020.04112.34
5.4.190.0050.03712.34
5.4.180.0060.03612.34
5.4.170.0050.03812.35
5.4.160.0050.03712.35
5.4.150.0050.03712.34
5.4.140.0100.03212.03
5.4.130.0040.03712.01
5.4.120.0070.03311.97
5.4.110.0070.03411.97
5.4.100.0060.03411.97
5.4.90.0040.03711.96
5.4.80.0040.04011.97
5.4.70.0040.03611.96
5.4.60.0060.03411.96
5.4.50.0090.03111.96
5.4.40.0050.03411.95
5.4.30.0040.03711.95
5.4.20.0040.03711.95
5.4.10.0070.03211.95
5.4.00.0060.03411.44
5.3.290.0060.03812.80
5.3.280.0050.03912.71
5.3.270.0080.03612.72
5.3.260.0060.03912.72
5.3.250.0060.04312.72
5.3.240.0100.03312.72
5.3.230.0110.03512.71
5.3.220.0050.04612.68
5.3.210.0040.04012.68
5.3.200.0020.04012.68
5.3.190.0080.03512.68
5.3.180.0070.03512.68
5.3.170.0080.03412.67
5.3.160.0050.03712.68
5.3.150.0050.03712.68
5.3.140.0070.03512.66
5.3.130.0030.04112.65
5.3.120.0090.03612.66
5.3.110.0060.04512.66
5.3.100.0090.04812.12
5.3.90.0090.05012.08
5.3.80.0080.03712.07
5.3.70.0050.03712.07
5.3.60.0070.03512.06
5.3.50.0040.03712.00
5.3.40.0040.03712.00
5.3.30.0070.03411.95
5.3.20.0050.03811.72
5.3.10.0060.03411.69
5.3.00.0050.03911.68
5.2.170.0020.0329.18
5.2.160.0070.0269.18
5.2.150.0050.0299.18
5.2.140.0040.0309.17
5.2.130.0050.0289.14
5.2.120.0050.0289.14
5.2.110.0020.0329.14
5.2.100.0060.0289.14
5.2.90.0030.0309.14
5.2.80.0050.0309.13
5.2.70.0090.0259.13
5.2.60.0060.0289.09
5.2.50.0060.0289.06
5.2.40.0050.0289.03
5.2.30.0040.0309.02
5.2.20.0030.0309.00
5.2.10.0050.0278.92
5.2.00.0040.0298.78
5.1.60.0050.0228.07
5.1.50.0060.0228.06
5.1.40.0060.0218.05
5.1.30.0050.0248.39
5.1.20.0040.0268.41
5.1.10.0050.0248.14
5.1.00.0050.0248.14
5.0.50.0030.0206.62
5.0.40.0030.0196.47
5.0.30.0050.0286.29
5.0.20.0050.0176.26
5.0.10.0060.0176.23
5.0.00.0030.0306.23
4.4.90.0040.0134.78
4.4.80.0030.0154.75
4.4.70.0030.0154.75
4.4.60.0010.0174.76
4.4.50.0040.0134.77
4.4.40.0050.0224.70
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0040.0174.84
4.4.00.0040.0274.75
4.3.110.0040.0144.67
4.3.100.0020.0154.67
4.3.90.0010.0154.63
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0050.0124.63
4.3.50.0020.0164.63
4.3.40.0020.0244.54
4.3.30.0020.0163.29
4.3.20.0020.0163.26
4.3.10.0030.0143.22
4.3.00.0130.0307.51

preferences:
40.86 ms | 401 KiB | 5 Q