3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( "1" => "A", 1 => "B", "C", 2 => "D"); echo count($a), "\n"; 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)
8.3.60.0100.01018.43
8.3.50.0090.00921.15
8.3.40.0000.01518.58
8.3.30.0070.00718.96
8.3.20.0040.00420.15
8.3.10.0040.00423.53
8.3.00.0040.00419.13
8.2.180.0070.01116.50
8.2.170.0140.00322.96
8.2.160.0030.01420.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00022.23
8.2.110.0040.00420.53
8.2.100.0060.00618.04
8.2.90.0000.00819.22
8.2.80.0080.00017.97
8.2.70.0000.00917.50
8.2.60.0000.00917.93
8.2.50.0040.00418.07
8.2.40.0040.00419.70
8.2.30.0000.00717.97
8.2.20.0080.00017.75
8.2.10.0080.00018.00
8.2.00.0030.00617.62
8.1.280.0070.01025.92
8.1.270.0090.00022.05
8.1.260.0090.00626.35
8.1.250.0040.00428.09
8.1.240.0030.00723.88
8.1.230.0040.00719.00
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0050.00317.22
8.1.180.0050.00318.10
8.1.170.0060.00318.59
8.1.160.0040.00421.92
8.1.150.0040.00418.85
8.1.140.0050.00217.34
8.1.130.0030.00317.80
8.1.120.0000.00717.49
8.1.110.0040.00417.48
8.1.100.0070.00017.35
8.1.90.0030.00317.48
8.1.80.0040.00417.45
8.1.70.0030.00317.41
8.1.60.0030.00617.49
8.1.50.0060.00317.54
8.1.40.0000.00717.38
8.1.30.0080.00017.68
8.1.20.0050.00217.60
8.1.10.0080.00017.45
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00718.41
8.0.270.0070.00017.16
8.0.260.0030.00317.25
8.0.250.0030.00316.93
8.0.240.0040.00416.80
8.0.230.0040.00416.87
8.0.220.0000.00716.73
8.0.210.0060.00016.72
8.0.200.0030.00316.93
8.0.190.0060.00316.90
8.0.180.0060.00316.80
8.0.170.0000.00816.80
8.0.160.0040.00416.88
8.0.150.0030.00616.75
8.0.140.0000.00716.86
8.0.130.0030.00313.37
8.0.120.0080.00016.86
8.0.110.0050.00316.87
8.0.100.0080.00016.83
8.0.90.0070.00016.78
8.0.80.0180.00316.83
8.0.70.0040.00416.99
8.0.60.0050.00216.85
8.0.50.0040.00416.82
8.0.30.0060.01217.19
8.0.20.0070.01317.40
8.0.10.0040.00416.91
8.0.00.0090.00816.73
7.4.330.0000.00415.02
7.4.320.0030.00316.63
7.4.300.0030.00516.39
7.4.290.0020.00516.57
7.4.280.0040.00416.46
7.4.270.0030.00316.40
7.4.260.0070.00016.50
7.4.250.0040.00416.55
7.4.240.0050.00216.49
7.4.230.0030.00316.61
7.4.220.0110.01116.45
7.4.210.0060.00916.43
7.4.200.0040.00416.48
7.4.160.0120.00316.39
7.4.150.0090.00917.40
7.4.140.0140.00817.86
7.4.130.0110.00816.43
7.4.120.0040.01416.46
7.4.110.0130.00416.35
7.4.100.0080.00816.44
7.4.90.0090.00916.60
7.4.80.0120.00619.39
7.4.70.0060.00916.57
7.4.60.0030.01516.35
7.4.50.0030.00616.40
7.4.40.0140.00316.52
7.4.30.0030.01316.54
7.4.00.0060.01214.97
7.3.330.0000.00513.09
7.3.320.0000.00513.02
7.3.310.0030.00316.15
7.3.300.0070.00016.19
7.3.290.0080.00616.24
7.3.280.0110.00516.23
7.3.270.0110.00517.40
7.3.260.0120.00616.29
7.3.250.0100.00916.27
7.3.240.0090.01216.30
7.3.230.0090.00916.41
7.3.210.0110.00516.26
7.3.200.0060.00919.39
7.3.190.0090.00916.20
7.3.180.0000.01616.25
7.3.170.0100.00716.27
7.3.160.0130.00316.30
7.3.10.0030.01016.54
7.3.00.0060.01016.45
7.2.330.0060.01116.50
7.2.320.0140.00816.25
7.2.310.0130.00916.68
7.2.300.0040.01216.73
7.2.290.0060.01216.50
7.2.130.0000.01516.74
7.2.120.0070.00716.62
7.2.110.0060.00916.82
7.2.100.0000.01516.70
7.2.90.0030.01016.85
7.2.80.0100.00317.06
7.2.70.0030.00616.77
7.2.60.0050.01016.66
7.2.50.0070.00616.80
7.2.40.0000.01217.03
7.2.30.0040.01116.76
7.2.20.0040.01116.78
7.2.10.0100.00316.84
7.2.00.0040.01416.88
7.1.250.0030.01015.80
7.1.200.0040.00815.61
7.1.70.0030.00716.95
7.1.60.0040.02219.11
7.1.50.0190.00316.96
7.1.00.0100.06322.37
7.0.200.0000.01016.61
7.0.140.0100.09022.11
7.0.60.0030.04019.95
7.0.50.0030.04017.77
7.0.40.0130.08319.90
7.0.30.0230.05020.29
7.0.20.0270.07720.01
7.0.10.0070.04720.02
7.0.00.0030.04020.08
5.6.210.0030.08020.75
5.6.200.0070.03718.22
5.6.190.0070.09720.60
5.6.180.0300.07320.61
5.6.170.1300.06020.52
5.6.160.0130.07320.32
5.6.150.0030.09018.11
5.6.140.0030.04018.27
5.6.130.0100.07718.16
5.6.120.0000.04720.70
5.6.110.0030.08321.00
5.6.100.0100.08320.97
5.6.90.0070.07021.02
5.6.80.0170.06720.50
5.5.350.0030.03720.39
5.5.340.0100.07317.96
5.5.330.0030.04320.36
5.5.320.0400.07720.28
5.5.310.0270.06720.32
5.5.300.0070.04017.98
5.5.290.0030.08717.91
5.5.280.0100.08020.68
5.5.270.0130.08020.77
5.5.260.0170.07720.75
5.5.250.0000.04320.68
5.5.240.0200.06720.34
5.4.450.0130.05319.24
5.4.440.0830.05719.46
5.4.430.0900.05719.43
5.4.420.0670.00019.48
5.4.410.0630.00019.04
5.4.400.0870.00019.13
5.4.390.0630.00019.16
5.4.380.0670.00018.92
5.4.370.0630.00019.16
5.4.360.0600.00019.26
5.4.350.0830.00018.95
5.4.340.0050.03711.97
5.4.320.0070.04112.45
5.4.310.0070.04012.45
5.4.300.0060.04112.45
5.4.290.0100.03412.45
5.4.280.0090.03712.35
5.4.270.0070.03912.34
5.4.260.0040.03912.34
5.4.250.0100.03312.34
5.4.240.0110.03812.34
5.4.230.0090.04812.34
5.4.220.0050.03712.34
5.4.210.0050.03612.34
5.4.200.0060.04212.34
5.4.190.0100.03912.33
5.4.180.0100.03512.34
5.4.170.0060.03912.34
5.4.160.0040.03812.34
5.4.150.0110.03112.34
5.4.140.0080.03512.02
5.4.130.0040.03812.01
5.4.120.0070.03711.96
5.4.110.0080.04311.96
5.4.100.0050.03711.96
5.4.90.0030.04111.96
5.4.80.0080.03611.96
5.4.70.0050.03611.96
5.4.60.0040.03711.96
5.4.50.0050.03611.96
5.4.40.0060.03511.95
5.4.30.0040.03811.95
5.4.20.0030.04211.95
5.4.10.0030.03711.94
5.4.00.0030.03811.43
5.3.290.0090.03612.80
5.3.280.0030.04012.71
5.3.270.0090.03912.73
5.3.260.0070.03912.72
5.3.250.0100.03612.72
5.3.240.0060.03712.72
5.3.230.0080.04312.71
5.3.220.0060.03812.68
5.3.210.0070.03712.68
5.3.200.0100.03212.68
5.3.190.0030.04012.68
5.3.180.0080.03812.68
5.3.170.0090.04612.67
5.3.160.0070.03612.67
5.3.150.0060.04012.67
5.3.140.0060.03712.66
5.3.130.0050.04112.66
5.3.120.0070.03912.66
5.3.110.0070.03812.66
5.3.100.0030.04512.12
5.3.90.0060.03712.08
5.3.80.0090.03512.07
5.3.70.0030.03912.07
5.3.60.0080.03412.06
5.3.50.0040.03812.00
5.3.40.0050.03712.00
5.3.30.0050.03511.94
5.3.20.0060.03711.72
5.3.10.0040.03711.69
5.3.00.0080.03511.68
5.2.170.0070.0309.18
5.2.160.0030.0329.18
5.2.150.0050.0399.18
5.2.140.0050.0349.18
5.2.130.0070.0319.14
5.2.120.0030.0349.13
5.2.110.0050.0309.14
5.2.100.0020.0319.13
5.2.90.0060.0349.14
5.2.80.0050.0359.13
5.2.70.0060.0289.13
5.2.60.0060.0339.09
5.2.50.0050.0339.05
5.2.40.0060.0299.04
5.2.30.0070.0369.00
5.2.20.0070.0339.00
5.2.10.0060.0298.93
5.2.00.0070.0268.79
5.1.60.0050.0238.07
5.1.50.0020.0268.07
5.1.40.0040.0258.05
5.1.30.0090.0238.41
5.1.20.0050.0278.43
5.1.10.0020.0328.15
5.1.00.0040.0268.15
5.0.50.0030.0226.63
5.0.40.0050.0206.49
5.0.30.0040.0316.30
5.0.20.0030.0196.27
5.0.10.0010.0226.25
5.0.00.0020.0326.23
4.4.90.0040.0144.78
4.4.80.0010.0174.75
4.4.70.0060.0124.75
4.4.60.0030.0214.75
4.4.50.0030.0164.77
4.4.40.0020.0274.71
4.4.30.0020.0184.76
4.4.20.0050.0164.85
4.4.10.0030.0174.85
4.4.00.0020.0284.76
4.3.110.0040.0264.67
4.3.100.0040.0144.66
4.3.90.0050.0164.64
4.3.80.0030.0244.59
4.3.70.0030.0144.63
4.3.60.0030.0144.63
4.3.50.0010.0174.62
4.3.40.0030.0244.54
4.3.30.0020.0213.29
4.3.20.0020.0203.27
4.3.10.0050.0183.23
4.3.00.0000.0277.55

preferences:
50 ms | 401 KiB | 5 Q