3v4l.org

run code in 300+ PHP versions simultaneously
<?php $inner = new ArrayIterator([1, 2]); $outer = new IteratorIterator($inner); var_dump(method_exists(get_class($outer), 'count')); var_dump(method_exists($outer, 'count'));

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)
8.3.60.0140.00016.25
8.3.50.0070.00821.98
8.3.40.0090.00618.45
8.3.30.0090.00918.95
8.3.20.0080.00020.04
8.3.10.0080.00021.59
8.3.00.0040.00419.02
8.2.180.0140.00716.63
8.2.170.0180.00422.96
8.2.160.0140.00320.53
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0000.00820.90
8.2.110.0100.00022.26
8.2.100.0040.00817.72
8.2.90.0000.00819.05
8.2.80.0000.00817.97
8.2.70.0030.00617.25
8.2.60.0080.00017.55
8.2.50.0080.00018.07
8.2.40.0040.00421.17
8.2.30.0040.00418.18
8.2.20.0040.00417.52
8.2.10.0040.00418.03
8.2.00.0030.00617.48
8.1.280.0140.00025.92
8.1.270.0040.00421.88
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0000.00923.96
8.1.230.0000.01319.15
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0050.00317.22
8.1.180.0000.00818.10
8.1.170.0060.00318.52
8.1.160.0050.00321.94
8.1.150.0040.00418.50
8.1.140.0050.00217.39
8.1.130.0070.00017.86
8.1.120.0080.00017.38
8.1.110.0000.00717.35
8.1.100.0030.00317.34
8.1.90.0050.00317.40
8.1.80.0000.00717.46
8.1.70.0030.00317.38
8.1.60.0040.00417.54
8.1.50.0040.00417.36
8.1.40.0000.00817.41
8.1.30.0000.00817.54
8.1.20.0000.00717.45
8.1.10.0040.00417.45
8.1.00.0000.00717.50
8.0.300.0000.00818.77
8.0.290.0050.00317.04
8.0.280.0000.00718.37
8.0.270.0030.00317.07
8.0.260.0060.00017.09
8.0.250.0000.00616.90
8.0.240.0080.00016.77
8.0.230.0030.00316.74
8.0.220.0030.00316.71
8.0.210.0030.00316.78
8.0.200.0030.00316.83
8.0.190.0040.00416.81
8.0.180.0040.00416.77
8.0.170.0040.00416.87
8.0.160.0040.00416.86
8.0.150.0000.00716.77
8.0.140.0000.00716.68
8.0.130.0000.00613.26
8.0.120.0030.00516.81
8.0.110.0040.00416.73
8.0.100.0000.00816.93
8.0.90.0000.00716.82
8.0.80.0030.01316.80
8.0.70.0000.00716.71
8.0.60.0040.00416.69
8.0.50.0000.00716.89
8.0.30.0090.00917.08
8.0.20.0100.01117.40
8.0.10.0040.00416.93
8.0.00.0050.01216.59
7.4.330.0000.00515.00
7.4.320.0030.00616.53
7.4.300.0000.00616.58
7.4.290.0070.00016.38
7.4.280.0000.00816.54
7.4.270.0070.00016.48
7.4.260.0030.00316.34
7.4.250.0040.00416.39
7.4.240.0020.00416.38
7.4.230.0070.00016.59
7.4.220.0120.00616.56
7.4.210.0070.00716.46
7.4.200.0030.00316.61
7.4.190.0030.00316.39
7.4.160.0060.01016.49
7.4.150.0070.01117.40
7.4.140.0120.00617.86
7.4.130.0100.00716.42
7.4.120.0080.01016.46
7.4.110.0110.00516.42
7.4.100.0150.00416.41
7.4.90.0130.00616.38
7.4.80.0090.01219.39
7.4.70.0130.00316.49
7.4.60.0120.00716.50
7.4.50.0030.00316.25
7.4.40.0130.00316.35
7.4.30.0000.01716.46
7.4.00.0110.00515.01
7.3.330.0000.00513.03
7.3.320.0030.00313.13
7.3.310.0000.00716.20
7.3.300.0000.00716.11
7.3.290.0070.00716.24
7.3.280.0050.01216.26
7.3.270.0130.00517.40
7.3.260.0180.02916.70
7.3.250.0080.00816.26
7.3.240.0130.00316.14
7.3.230.0120.00416.39
7.3.210.0100.00716.31
7.3.200.0110.01119.39
7.3.190.0150.00716.31
7.3.180.0180.00316.13
7.3.170.0120.00416.27
7.3.160.0090.01216.47
7.3.120.0050.00914.80
7.3.110.0070.01014.85
7.3.100.0000.01414.63
7.3.90.0090.00314.86
7.3.80.0030.00914.73
7.3.70.0100.00614.68
7.3.60.0060.00614.58
7.3.50.0080.00414.66
7.3.40.0060.00314.32
7.3.30.0030.00614.64
7.3.20.0100.00316.77
7.3.10.0070.00716.59
7.3.00.0050.00816.48
7.2.330.0150.00316.57
7.2.320.0120.01216.46
7.2.310.0150.00616.35
7.2.300.0070.01516.50
7.2.290.0070.01016.61
7.2.250.0030.01415.08
7.2.240.0040.01114.94
7.2.230.0060.00314.77
7.2.220.0000.01515.01
7.2.210.0100.00714.89
7.2.200.0070.01014.99
7.2.190.0060.00814.96
7.2.180.0030.00914.71
7.2.170.0030.01314.95
7.2.80.0060.00616.45
7.2.00.0030.00919.32
7.1.330.0110.00315.84
7.1.320.0080.00815.70
7.1.310.0100.00615.68
7.1.300.0060.00815.54
7.1.290.0070.00715.42
7.1.280.0100.00315.76
7.1.270.0000.01415.62
7.1.260.0000.01515.82
7.1.200.0040.00815.58
7.1.100.0090.00618.07
7.1.70.0030.00916.82
7.1.60.0070.01819.46
7.1.50.0030.01716.79
7.1.00.0000.09322.40
7.0.200.0070.00016.56
7.0.140.0000.07722.04
7.0.60.0170.07319.85
7.0.50.0270.04017.90
7.0.40.0100.08319.89
7.0.30.0230.04720.21
7.0.20.0230.05020.16
7.0.10.0030.04320.04
7.0.00.0000.04320.00
5.6.280.0070.07021.12
5.6.210.0030.08320.66
5.6.200.0070.04718.13
5.6.190.0070.07320.65
5.6.180.0230.03720.39
5.6.170.0270.04020.41
5.6.160.0070.07020.44
5.6.150.0030.08718.15
5.6.140.0000.04018.09
5.6.130.0070.04018.23
5.6.120.0130.04721.13
5.6.110.0070.06320.99
5.6.100.0100.07720.96
5.6.90.0170.07021.07
5.6.80.0070.03320.40
5.5.350.4000.04720.43
5.5.340.0130.07017.88
5.5.330.0100.06020.07
5.5.320.0270.07720.27
5.5.310.0270.06720.26
5.5.300.0070.08017.94
5.5.290.0070.08317.91
5.5.280.0070.04320.77
5.5.270.0070.04720.86
5.5.260.0030.05020.86
5.5.250.0030.04320.45
5.5.240.0030.07720.06
5.4.450.0470.04719.41
5.4.440.0070.03019.14
5.4.430.0270.04019.21
5.4.420.0230.05351.95
5.4.410.0330.03747.11
5.4.400.0170.04743.19
5.4.390.0230.04741.45
5.4.380.0330.06718.77
5.4.370.0400.04718.49
5.4.360.0300.05718.68
5.4.350.0470.06718.49
5.4.340.0330.05718.68
5.4.320.0080.06112.45
5.4.310.0100.05012.45
5.4.300.0230.08312.45
5.4.290.0120.04712.45
5.4.280.0070.04912.34
5.4.270.0060.04912.35
5.4.260.0080.05312.35
5.4.250.0120.04912.34
5.4.240.0090.05012.35
5.4.230.0160.07012.34
5.4.220.0140.05612.34
5.4.210.0180.07712.34
5.4.200.0110.06712.34
5.4.190.0130.04912.33
5.4.180.0120.07412.34
5.4.170.0180.09712.34
5.4.160.0100.06512.34
5.4.150.0110.05012.34
5.4.140.0200.04912.02
5.4.130.0120.04812.01
5.4.120.0100.05911.97
5.4.110.0110.05211.96
5.4.100.0120.05611.96
5.4.90.0180.10211.96
5.4.80.0100.05511.96
5.4.70.0150.05411.96
5.4.60.0200.08411.96
5.4.50.0110.05311.96
5.4.40.0160.07211.95
5.4.30.0120.05111.95
5.4.20.0060.05611.95
5.4.10.0120.04511.95
5.4.00.0160.04311.43
5.3.290.0080.03912.80
5.3.280.0100.05412.71
5.3.270.0170.05412.72
5.3.260.0150.04812.72
5.3.250.0150.05312.72
5.3.240.0130.06712.72
5.3.230.0240.06412.71
5.3.220.0080.05212.68
5.3.210.0130.05312.68
5.3.200.0190.07712.68
5.3.190.0080.05412.67
5.3.180.0120.05012.67
5.3.170.0140.06012.67
5.3.160.0100.04912.67
5.3.150.0120.05812.67
5.3.140.0150.08212.66
5.3.130.0090.05412.65
5.3.120.0100.05912.66
5.3.110.0130.05612.66
5.3.100.0150.07112.12
5.3.90.0130.09712.08
5.3.80.0080.04912.08
5.3.70.0050.05212.08
5.3.60.0080.04912.07
5.3.50.0070.04912.00
5.3.40.0110.04812.00
5.3.30.0140.04311.95
5.3.20.0130.04311.72
5.3.10.0110.05011.70
5.3.00.0080.05311.68
5.2.170.0130.0419.18
5.2.160.0100.0439.18
5.2.150.0060.0489.18
5.2.140.0100.0459.18
5.2.130.0060.0529.14
5.2.120.0100.0429.14
5.2.110.0090.0409.15
5.2.100.0110.0409.14
5.2.90.0160.0359.14
5.2.80.0140.0389.14
5.2.70.0060.0499.14
5.2.60.0060.0429.09
5.2.50.0060.0509.06
5.2.40.0080.0409.04
5.2.30.0070.0329.01
5.2.20.0140.0289.00
5.2.10.0090.0308.93
5.2.00.0060.0308.78
5.1.60.0060.0248.07
5.1.50.0030.0298.06
5.1.40.0080.0448.05
5.1.30.0080.0378.39
5.1.20.0050.0298.42
5.1.10.0050.0398.14
5.1.00.0440.1408.14
5.0.50.0050.0256.62
5.0.40.0070.0226.48
5.0.30.0050.0396.29
5.0.20.0050.0356.27
5.0.10.0030.0326.24
5.0.00.0080.0456.23
4.4.90.0050.0164.77
4.4.80.0000.0184.76
4.4.70.0040.0144.75
4.4.60.0030.0194.75
4.4.50.0050.0164.77
4.4.40.0040.0324.71
4.4.30.0040.0194.76
4.4.20.0060.0184.84
4.4.10.0030.0224.85
4.4.00.0050.0364.76
4.3.110.0050.0214.66
4.3.100.0080.0204.66
4.3.90.0050.0184.63
4.3.80.0110.0254.59
4.3.70.0040.0224.63
4.3.60.0030.0234.62
4.3.50.0040.0214.63
4.3.40.0070.0434.54
4.3.30.0030.0213.29
4.3.20.0020.0213.27
4.3.10.0060.0173.22
4.3.00.0070.01740.27

preferences:
36.72 ms | 401 KiB | 5 Q