3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1=>2); foreach ($a as $key => $val) { $a[$key+1] = $val + 1; } var_dump($a);

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)
8.3.70.0090.00616.36
8.3.60.0120.00318.18
8.3.50.0130.00621.13
8.3.40.0070.00718.67
8.3.30.0100.00318.92
8.3.20.0070.00020.16
8.3.10.0040.00423.66
8.3.00.0080.00019.25
8.2.180.0060.00916.75
8.2.170.0120.00622.96
8.2.160.0100.00320.39
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00422.18
8.2.110.0030.00621.13
8.2.100.0120.00017.50
8.2.90.0000.00719.39
8.2.80.0000.00817.97
8.2.70.0000.01017.50
8.2.60.0060.01217.80
8.2.50.0040.00418.07
8.2.40.0040.00420.01
8.2.30.0040.00418.16
8.2.20.0000.00717.67
8.2.10.0000.00718.05
8.2.00.0050.00217.75
8.1.280.0150.00625.92
8.1.270.0040.00421.83
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.87
8.1.230.0130.00017.48
8.1.220.0000.00917.79
8.1.210.0050.00318.77
8.1.200.0030.00617.38
8.1.190.0050.00317.35
8.1.180.0000.00718.10
8.1.170.0050.00518.50
8.1.160.0040.00421.99
8.1.150.0040.00418.77
8.1.140.0080.00017.43
8.1.130.0030.00317.90
8.1.120.0030.00317.49
8.1.110.0040.00417.38
8.1.100.0080.00017.36
8.1.90.0040.00417.45
8.1.80.0050.00217.33
8.1.70.0000.00717.39
8.1.60.0060.00317.56
8.1.50.0040.00417.53
8.1.40.0040.00417.55
8.1.30.0000.00917.55
8.1.20.0040.00417.53
8.1.10.0000.00717.45
8.1.00.0070.00017.43
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0000.00718.43
8.0.270.0000.00717.14
8.0.260.0000.00817.22
8.0.250.0040.00416.92
8.0.240.0040.00416.84
8.0.230.0000.00716.90
8.0.220.0030.00616.88
8.0.210.0030.00316.86
8.0.200.0030.00316.88
8.0.190.0050.00216.86
8.0.180.0000.00716.89
8.0.170.0000.00716.91
8.0.160.0050.00316.93
8.0.150.0030.00316.77
8.0.140.0040.00416.88
8.0.130.0030.00313.35
8.0.120.0040.00416.83
8.0.110.0000.00816.71
8.0.100.0000.00716.94
8.0.90.0000.00716.87
8.0.80.0170.00016.82
8.0.70.0050.00216.90
8.0.60.0000.00716.92
8.0.50.0050.00316.97
8.0.30.0090.01217.03
8.0.20.0030.01617.40
8.0.10.0000.00716.80
8.0.00.0090.00816.72
7.4.330.0000.00515.00
7.4.320.0040.00416.41
7.4.300.0000.00616.47
7.4.290.0030.00316.62
7.4.280.0050.00316.59
7.4.270.0000.00716.47
7.4.260.0070.00016.60
7.4.250.0050.00316.50
7.4.240.0020.00516.54
7.4.230.0020.00516.25
7.4.220.0100.00716.46
7.4.210.0090.00916.48
7.4.200.0000.00716.59
7.4.160.0030.01316.52
7.4.150.0090.00917.40
7.4.140.0110.00817.86
7.4.130.0090.00816.49
7.4.120.0110.00716.56
7.4.110.0070.01016.67
7.4.100.0140.00316.55
7.4.90.0120.00916.52
7.4.80.0040.01719.39
7.4.70.0110.00616.62
7.4.60.0000.01616.35
7.4.50.0060.00316.40
7.4.40.0060.01016.44
7.4.30.0140.00316.59
7.4.00.0090.00314.99
7.3.330.0000.00613.12
7.3.320.0050.00013.30
7.3.310.0000.00616.26
7.3.300.0000.00716.27
7.3.290.0110.00316.34
7.3.280.0140.00516.32
7.3.270.0110.00717.40
7.3.260.0140.00716.29
7.3.250.0040.01616.39
7.3.240.0030.01516.26
7.3.230.0120.01116.62
7.3.210.0130.00316.42
7.3.200.0070.01319.39
7.3.190.0150.00616.28
7.3.180.0090.00616.25
7.3.170.0150.00616.61
7.3.160.0090.00616.38
7.2.330.0000.01616.41
7.2.320.0180.00316.78
7.2.310.0160.00616.79
7.2.300.0170.00316.50
7.2.290.0130.01016.49
7.1.70.0000.00717.13
7.1.60.0080.01519.11
7.1.50.0000.02216.64
7.1.00.0070.07322.33
7.0.200.0000.00816.89
7.0.140.0030.07322.01
7.0.60.0070.04019.87
7.0.50.0070.08017.78
7.0.40.0100.04020.21
7.0.30.0200.08320.09
7.0.20.0270.05320.16
7.0.10.0170.07720.21
7.0.00.0130.07720.09
5.6.280.0100.06720.91
5.6.210.0100.07720.60
5.6.200.0170.05018.19
5.6.190.0130.08020.41
5.6.180.0230.05020.39
5.6.170.0200.04320.42
5.6.160.0070.03720.41
5.6.150.0030.05018.22
5.6.140.0030.05718.07
5.6.130.0130.03718.21
5.6.120.0030.06020.73
5.6.110.0170.08021.11
5.6.100.0070.04020.98
5.6.90.0130.07720.97
5.6.80.0070.06720.39
5.5.350.0170.08020.40
5.5.340.0070.08317.95
5.5.330.0100.05020.40
5.5.320.0330.08320.29
5.5.310.0230.03320.50
5.5.300.0100.08017.93
5.5.290.0170.06318.00
5.5.280.0070.08020.73
5.5.270.0070.05320.66
5.5.260.0130.07720.89
5.5.250.0130.07320.74
5.5.240.0200.06320.36
5.4.450.0100.05719.24
5.4.440.0930.04719.61
5.4.430.0700.06319.56
5.4.420.0730.00019.35
5.4.410.0670.00019.34
5.4.400.0630.00019.22
5.4.390.0600.00019.00
5.4.380.0870.00019.09
5.4.370.0630.00019.06
5.4.360.0630.00018.96
5.4.350.0670.00019.13
5.4.340.0040.03711.97
5.4.320.0100.04112.45
5.4.310.0110.04912.45
5.4.300.0060.03612.45
5.4.290.0050.04012.45
5.4.280.0040.03812.35
5.4.270.0070.04112.35
5.4.260.0090.04712.35
5.4.250.0050.04212.35
5.4.240.0080.04212.35
5.4.230.0100.03712.34
5.4.220.0070.03712.34
5.4.210.0070.03612.34
5.4.200.0050.04012.34
5.4.190.0080.04312.34
5.4.180.0050.03712.34
5.4.170.0090.03712.35
5.4.160.0090.03912.34
5.4.150.0070.04012.34
5.4.140.0080.04012.03
5.4.130.0070.04212.01
5.4.120.0080.03811.97
5.4.110.0050.03711.96
5.4.100.0050.03611.97
5.4.90.0100.03811.97
5.4.80.0090.03711.96
5.4.70.0040.03611.96
5.4.60.0060.03511.96
5.4.50.0070.03511.96
5.4.40.0090.03311.95
5.4.30.0070.04211.95
5.4.20.0050.04011.95
5.4.10.0120.03511.95
5.4.00.0090.03611.44
5.3.290.0040.04112.80
5.3.280.0070.03612.71
5.3.270.0110.03412.73
5.3.260.0080.03912.72
5.3.250.0050.03812.72
5.3.240.0100.03912.72
5.3.230.0080.04012.70
5.3.220.0080.04312.68
5.3.210.0070.04412.68
5.3.200.0030.04012.68
5.3.190.0060.03712.68
5.3.180.0110.03112.67
5.3.170.0050.04312.67
5.3.160.0070.03612.68
5.3.150.0070.03612.67
5.3.140.0040.03812.66
5.3.130.0050.04012.66
5.3.120.0020.04312.66
5.3.110.0100.03412.66
5.3.100.0040.03812.12
5.3.90.0050.03912.08
5.3.80.0040.03812.07
5.3.70.0030.03912.08
5.3.60.0060.03612.07
5.3.50.0080.04012.00
5.3.40.0020.04212.00
5.3.30.0100.03011.95
5.3.20.0070.03411.72
5.3.10.0060.03411.69
5.3.00.0050.04211.68
5.2.170.0060.0339.18
5.2.160.0090.0279.17
5.2.150.0070.0319.18
5.2.140.0050.0349.17
5.2.130.0050.0329.13
5.2.120.0050.0289.14
5.2.110.0030.0329.14
5.2.100.0060.0289.14
5.2.90.0060.0309.14
5.2.80.0070.0349.14
5.2.70.0070.0399.13
5.2.60.0110.0359.09
5.2.50.0070.0399.05
5.2.40.0050.0399.03
5.2.30.0080.0389.01
5.2.20.0060.0389.00
5.2.10.0090.0358.91
5.2.00.0080.0308.78
5.1.60.0050.0248.06
5.1.50.0060.0238.06
5.1.40.0050.0268.04
5.1.30.0070.0298.39
5.1.20.0060.0268.41
5.1.10.0050.0268.13
5.1.00.0030.0278.14
5.0.50.0030.0226.62
5.0.40.0000.0226.48
5.0.30.0020.0336.29
5.0.20.0040.0206.26
5.0.10.0060.0246.24
5.0.00.0050.0386.23
4.4.90.0060.0194.78
4.4.80.0030.0204.75
4.4.70.0040.0144.75
4.4.60.0040.0144.75
4.4.50.0030.0154.77
4.4.40.0030.0274.71
4.4.30.0060.0164.76
4.4.20.0040.0244.84
4.4.10.0020.0164.85
4.4.00.0020.0254.76
4.3.110.0030.0154.67
4.3.100.0040.0184.66
4.3.90.0020.0194.63
4.3.80.0030.0234.58
4.3.70.0040.0134.63
4.3.60.0020.0154.63
4.3.50.0020.0164.63
4.3.40.0000.0274.54
4.3.30.0020.0163.28
4.3.20.0100.0333.26
4.3.10.0030.0163.21
4.3.00.0100.0237.43

preferences:
40.36 ms | 401 KiB | 5 Q