3v4l.org

run code in 300+ PHP versions simultaneously
<?php list($a,$b) = str_split("aa"); var_dump($a,$b); $a = array(); $a[]="a"; $a[] ="b"; list($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)
8.3.60.0060.00918.18
8.3.50.0110.00821.97
8.3.40.0040.01118.71
8.3.30.0070.00719.09
8.3.20.0040.00420.21
8.3.10.0070.00023.72
8.3.00.0040.00419.11
8.2.180.0100.00716.38
8.2.170.0100.01022.96
8.2.160.0130.00020.27
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00022.23
8.2.110.0060.00320.16
8.2.100.0040.00817.91
8.2.90.0080.00019.20
8.2.80.0060.00317.97
8.2.70.0030.00617.63
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0040.00419.75
8.2.30.0070.00018.11
8.2.20.0000.00717.54
8.2.10.0000.00818.11
8.2.00.0000.00817.67
8.1.280.0140.00425.92
8.1.270.0060.00323.91
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00723.81
8.1.230.0050.00519.01
8.1.220.0030.00617.78
8.1.210.0040.00418.77
8.1.200.0030.00617.10
8.1.190.0050.00317.13
8.1.180.0040.00418.10
8.1.170.0110.00018.65
8.1.160.0070.00021.82
8.1.150.0000.00718.88
8.1.140.0070.00017.44
8.1.130.0070.00017.84
8.1.120.0000.00717.37
8.1.110.0000.01017.34
8.1.100.0040.00317.40
8.1.90.0040.00417.40
8.1.80.0030.00517.41
8.1.70.0030.00317.27
8.1.60.0050.00317.45
8.1.50.0040.00417.44
8.1.40.0050.00217.47
8.1.30.0050.00317.46
8.1.20.0080.00017.49
8.1.10.0040.00417.56
8.1.00.0070.00017.57
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0000.00718.38
8.0.270.0070.00017.18
8.0.260.0060.00017.18
8.0.250.0030.00316.78
8.0.240.0030.00316.89
8.0.230.0050.00216.86
8.0.220.0050.00316.84
8.0.210.0030.00316.81
8.0.200.0030.00316.79
8.0.190.0000.00816.93
8.0.180.0040.00416.75
8.0.170.0030.00516.75
8.0.160.0000.00716.71
8.0.150.0050.00216.80
8.0.140.0030.00616.79
8.0.130.0030.00313.29
8.0.120.0040.00416.79
8.0.110.0040.00416.84
8.0.100.0000.00716.70
8.0.90.0000.00816.73
8.0.80.0080.01216.78
8.0.70.0000.00816.89
8.0.60.0040.00416.65
8.0.50.0030.00516.80
8.0.30.0100.00916.92
8.0.20.0150.00817.40
8.0.10.0000.00716.93
8.0.00.0060.01116.64
7.4.330.0000.00515.00
7.4.320.0030.00316.44
7.4.300.0030.00316.56
7.4.290.0070.00016.50
7.4.280.0040.00416.42
7.4.270.0080.00016.58
7.4.260.0000.00716.43
7.4.250.0040.00416.33
7.4.240.0060.00116.51
7.4.230.0070.00016.61
7.4.220.0090.01216.52
7.4.210.0070.00616.50
7.4.200.0000.00916.52
7.4.160.0100.01016.34
7.4.150.0110.00817.40
7.4.140.0060.01217.86
7.4.130.0100.01316.58
7.4.120.0070.01316.41
7.4.110.0040.01416.56
7.4.100.0030.01416.56
7.4.90.0090.01216.39
7.4.80.0080.00919.39
7.4.70.0170.00316.38
7.4.60.0110.00616.41
7.4.50.0040.00416.31
7.4.40.0070.01316.45
7.4.30.0170.00016.53
7.4.00.0040.01114.98
7.3.330.0060.00013.00
7.3.320.0030.00313.02
7.3.310.0000.00716.27
7.3.300.0040.00416.25
7.3.290.0030.01016.22
7.3.280.0120.00516.29
7.3.270.0080.00817.40
7.3.260.0070.01616.54
7.3.240.0160.00416.20
7.3.230.0120.00616.44
7.3.210.0110.01116.25
7.3.200.0120.00619.39
7.3.190.0090.00916.50
7.3.180.0120.00316.22
7.3.170.0070.01016.27
7.3.160.0080.00816.23
7.2.330.0140.00316.50
7.2.320.0110.00616.48
7.2.310.0160.00616.25
7.2.300.0180.00016.68
7.2.290.0140.00716.43
7.2.110.0080.00816.32
7.2.60.0100.00316.62
7.1.200.0080.00415.52
7.1.70.0060.00317.09
7.1.60.0000.02519.32
7.1.50.0140.00334.63
7.1.00.0070.07322.27
7.0.200.0000.00916.73
7.0.140.0070.06722.00
7.0.60.0070.06719.91
7.0.50.0000.04317.86
7.0.40.0100.08319.98
7.0.30.0130.04720.16
7.0.20.0300.07320.13
7.0.10.0070.09020.20
7.0.00.0070.05720.20
5.6.280.0070.07021.00
5.6.210.0030.08320.68
5.6.200.0030.08718.19
5.6.190.0070.04720.35
5.6.180.0230.05020.35
5.6.170.0330.07320.41
5.6.160.0030.04320.33
5.6.150.0030.08718.14
5.6.140.0030.04018.24
5.6.130.0100.04318.16
5.6.120.0100.05320.93
5.6.110.0100.07320.94
5.6.100.0170.07720.88
5.6.90.0070.04020.96
5.6.80.0170.03020.39
5.5.350.0130.07720.39
5.5.340.0030.08017.98
5.5.330.0070.04020.43
5.5.320.0330.06020.29
5.5.310.0400.06320.30
5.5.300.0130.07017.91
5.5.290.0030.04318.00
5.5.280.0100.04320.76
5.5.270.0130.07720.66
5.5.260.0030.07320.95
5.5.250.0170.07320.69
5.5.240.0270.07720.27
5.4.450.0700.05719.10
5.4.440.0800.06319.46
5.4.430.0030.06019.10
5.4.420.0670.00019.14
5.4.410.0600.00019.20
5.4.400.0630.00019.24
5.4.390.0630.00019.15
5.4.380.0630.00018.97
5.4.370.0630.00019.23
5.4.360.0600.00019.09
5.4.350.0630.00018.98
5.4.340.0090.03311.97
5.4.320.0070.03412.46
5.4.310.0050.03912.45
5.4.300.0070.03512.46
5.4.290.0070.03612.45
5.4.280.0040.03712.35
5.4.270.0070.03512.35
5.4.260.0070.03612.35
5.4.250.0080.03512.35
5.4.240.0070.03412.35
5.4.230.0090.03412.34
5.4.220.0040.03812.34
5.4.210.0020.03912.34
5.4.200.0050.03812.34
5.4.190.0050.03612.34
5.4.180.0060.03512.34
5.4.170.0120.03012.35
5.4.160.0060.03612.35
5.4.150.0090.03212.34
5.4.140.0050.03712.03
5.4.130.0070.03412.02
5.4.120.0110.03011.97
5.4.110.0060.03411.96
5.4.100.0080.03211.97
5.4.90.0060.03611.96
5.4.80.0070.03611.96
5.4.70.0060.03411.96
5.4.60.0040.03611.96
5.4.50.0050.03511.96
5.4.40.0090.03111.95
5.4.30.0120.03611.95
5.4.20.0050.03511.95
5.4.10.0070.03311.95
5.4.00.0050.03611.44
5.3.290.0080.04212.80
5.3.280.0060.03912.71
5.3.270.0110.03312.73
5.3.260.0100.03412.71
5.3.250.0080.03412.72
5.3.240.0130.03012.72
5.3.230.0110.03112.71
5.3.220.0090.03412.68
5.3.210.0050.03912.68
5.3.200.0070.03412.68
5.3.190.0130.03012.68
5.3.180.0100.03112.68
5.3.170.0090.04912.67
5.3.160.0090.03512.67
5.3.150.0060.03812.67
5.3.140.0040.03812.66
5.3.130.0090.03612.65
5.3.120.0050.04012.66
5.3.110.0030.04212.66
5.3.100.0080.03512.12
5.3.90.0020.04012.08
5.3.80.0050.03712.07
5.3.70.0030.03912.07
5.3.60.0070.03512.07
5.3.50.0090.03312.00
5.3.40.0080.03412.00
5.3.30.0040.03711.94
5.3.20.0050.03511.72
5.3.10.0040.03611.69
5.3.00.0060.03611.68
5.2.170.0030.0319.18
5.2.160.0030.0309.18
5.2.150.0040.0309.18
5.2.140.0010.0349.18
5.2.130.0040.0309.13
5.2.120.0030.0309.14
5.2.110.0050.0299.14
5.2.100.0040.0289.14
5.2.90.0040.0289.14
5.2.80.0080.0269.14
5.2.70.0040.0319.14
5.2.60.0050.0299.09
5.2.50.0060.0299.06
5.2.40.0050.0289.04
5.2.30.0060.0289.01
5.2.20.0070.0299.00
5.2.10.0030.0298.92
5.2.00.0060.0278.78
5.1.60.0040.0248.06
5.1.50.0030.0268.06
5.1.40.0040.0248.04
5.1.30.0020.0288.39
5.1.20.0010.0298.41
5.1.10.0030.0268.14
5.1.00.0030.0278.14
5.0.50.0040.0206.61
5.0.40.0030.0196.48
5.0.30.0020.0336.29
5.0.20.0050.0176.25
5.0.10.0030.0206.24
5.0.00.0030.0316.23
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0030.0154.75
4.4.60.0030.0154.75
4.4.50.0020.0164.77
4.4.40.0020.0264.71
4.4.30.0010.0174.76
4.4.20.0020.0164.84
4.4.10.0040.0144.85
4.4.00.0040.0234.76
4.3.110.0040.0144.67
4.3.100.0040.0144.66
4.3.90.0020.0164.63
4.3.80.0030.0244.58
4.3.70.0030.0144.63
4.3.60.0020.0154.63
4.3.50.0020.0164.63
4.3.40.0030.0234.54
4.3.30.0020.0153.28
4.3.20.0010.0173.26
4.3.10.0010.0203.21
4.3.00.0100.0207.07

preferences:
40.27 ms | 401 KiB | 5 Q