3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ai = new ArrayIterator(array(0,1)); $ii = new IteratorIterator($ai); var_dump($ai->count()); var_dump($ii->count()); var_dump(count($ai)); var_dump(count($ii));

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)
8.3.70.0130.00716.75
8.3.60.0120.00916.75
8.3.50.0110.00821.20
8.3.40.0080.00818.82
8.3.30.0040.01119.04
8.3.20.0070.00020.20
8.3.10.0040.00423.66
8.3.00.0060.00319.51
8.2.190.0120.00317.00
8.2.180.0070.00718.42
8.2.170.0150.00018.89
8.2.160.0070.00722.96
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00022.11
8.2.110.0070.00321.06
8.2.100.0060.00617.63
8.2.90.0040.00419.16
8.2.80.0040.00417.97
8.2.70.0000.00817.38
8.2.60.0080.00017.93
8.2.50.0030.00618.07
8.2.40.0000.00819.95
8.2.30.0030.00617.93
8.2.20.0040.00417.78
8.2.10.0040.00418.03
8.2.00.0000.00917.92
8.1.280.0120.00925.92
8.1.270.0050.00320.33
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0070.01022.14
8.1.230.0060.00617.71
8.1.220.0040.00417.79
8.1.210.0030.00518.77
8.1.200.0040.00417.35
8.1.190.0040.00417.22
8.1.180.0030.00518.10
8.1.170.0050.00318.52
8.1.160.0070.00021.92
8.1.150.0000.00718.87
8.1.140.0030.00617.52
8.1.130.0030.00717.62
8.1.120.0000.00717.50
8.1.110.0090.00017.44
8.1.100.0070.00317.27
8.1.90.0000.00717.38
8.1.80.0000.00717.39
8.1.70.0050.00217.44
8.1.60.0000.01017.61
8.1.50.0030.00517.57
8.1.40.0080.00017.56
8.1.30.0000.00817.51
8.1.20.0000.00717.54
8.1.10.0050.00317.52
8.1.00.0030.00917.43
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0040.00418.37
8.0.270.0000.00617.25
8.0.260.0060.00017.09
8.0.250.0030.00716.91
8.0.240.0080.00316.95
8.0.230.0050.00216.98
8.0.220.0030.00316.94
8.0.210.0040.00416.92
8.0.200.0000.00616.94
8.0.190.0000.00816.98
8.0.180.0030.00716.86
8.0.170.0040.00417.00
8.0.160.0030.00316.95
8.0.150.0040.00416.87
8.0.140.0030.00516.92
8.0.130.0040.00513.36
8.0.120.0050.00316.93
8.0.110.0040.00416.97
8.0.100.0040.00416.89
8.0.90.0040.00416.83
8.0.80.0060.01016.89
8.0.70.0040.00416.99
8.0.60.0000.00716.94
8.0.50.0000.00716.80
8.0.30.0130.00617.23
8.0.20.0100.01117.40
8.0.10.0040.00417.05
8.0.00.0110.01016.70
7.4.330.0000.00615.14
7.4.320.0040.00416.50
7.4.300.0000.00716.43
7.4.290.0000.00716.54
7.4.280.0000.00916.54
7.4.270.0030.00316.58
7.4.260.0070.00416.60
7.4.250.0040.00416.44
7.4.240.0030.00316.49
7.4.230.0000.00716.52
7.4.220.0070.01716.52
7.4.210.0120.00316.55
7.4.200.0000.00716.29
7.4.160.0050.01016.38
7.4.150.0070.01017.40
7.4.140.0110.00617.86
7.4.130.0130.01016.43
7.4.120.0040.01316.45
7.4.110.0100.01316.55
7.4.100.0120.01216.46
7.4.90.0090.00816.36
7.4.80.0140.00719.39
7.4.70.0100.01416.48
7.4.60.0130.00316.51
7.4.50.0000.00516.48
7.4.40.0030.01316.61
7.4.30.0090.00616.29
7.4.00.0070.01014.96
7.3.330.0000.00613.06
7.3.320.0050.00013.01
7.3.310.0030.00316.24
7.3.300.0000.00716.25
7.3.290.0050.00316.25
7.3.280.0080.00816.24
7.3.270.0130.00517.40
7.3.260.0120.01216.47
7.3.240.0110.00616.21
7.3.230.0090.00916.39
7.3.210.0090.00916.32
7.3.200.0130.00919.39
7.3.190.0050.01016.27
7.3.180.0080.00816.26
7.3.170.0060.01216.39
7.3.160.0100.00616.29
7.3.120.0100.00714.84
7.3.110.0060.01014.85
7.3.100.0100.00314.72
7.3.90.0070.00714.46
7.3.80.0090.00315.07
7.3.70.0000.01314.87
7.3.60.0060.00314.80
7.3.50.0100.00614.66
7.3.40.0000.01014.75
7.3.30.0030.01014.71
7.3.20.0090.00616.63
7.3.10.0050.01116.73
7.3.00.0080.01016.50
7.2.330.0120.00816.51
7.2.320.0090.00916.51
7.2.310.0110.00716.64
7.2.300.0070.01016.34
7.2.290.0100.01316.61
7.2.250.0040.01515.05
7.2.240.0100.01015.07
7.2.230.0090.00914.84
7.2.220.0030.01014.90
7.2.210.0030.00915.12
7.2.200.0120.00414.90
7.2.190.0060.01314.68
7.2.180.0030.01314.69
7.2.170.0110.00414.79
7.2.130.0080.01516.66
7.2.120.0120.00816.64
7.2.110.0030.01316.95
7.2.100.0090.00916.86
7.2.90.0040.01616.51
7.2.80.0130.00016.58
7.2.70.0040.00816.95
7.2.60.0060.00816.87
7.2.50.0090.00616.73
7.2.40.0030.00916.67
7.2.30.0030.01316.58
7.2.20.0060.00616.54
7.2.10.0110.00416.90
7.2.00.0040.00918.00
7.1.330.0000.01415.84
7.1.320.0100.00315.77
7.1.310.0040.00715.80
7.1.300.0080.00615.75
7.1.290.0030.00615.69
7.1.280.0070.00315.65
7.1.270.0060.00615.71
7.1.260.0070.00715.74
7.1.250.0090.00615.68
7.1.200.0000.01315.68
7.1.100.0000.01118.00
7.1.70.0000.00816.85
7.1.60.0100.00719.59
7.1.50.0070.01816.85
7.1.00.0000.08022.31
7.0.200.0080.00016.66
7.0.60.0030.08719.93
7.0.50.0030.04017.90
7.0.40.0100.04720.21
7.0.30.0230.04020.21
7.0.20.0330.03720.30
7.0.10.0030.04320.09
7.0.00.0070.08320.13
5.6.280.0030.07321.13
5.6.210.0170.05320.47
5.6.200.0070.08718.13
5.6.190.0100.08320.40
5.6.180.0300.03320.64
5.6.170.0430.06320.38
5.6.160.0070.05020.46
5.6.150.0030.04318.11
5.6.140.0100.08018.21
5.6.130.0070.08318.18
5.6.120.0130.08021.14
5.6.110.0070.08320.99
5.6.100.0100.08021.08
5.6.90.0030.04321.11
5.6.80.0030.04020.46
5.5.350.0270.07720.38
5.5.340.0070.03717.91
5.5.330.0170.07020.37
5.5.320.0000.04320.31
5.5.310.0370.07320.29
5.5.300.0070.08017.98
5.5.290.0030.09017.91
5.5.280.0000.09320.77
5.5.270.0170.07720.82
5.5.260.0130.08320.64
5.5.250.0070.05020.61
5.5.240.0070.02720.25
5.4.450.0500.06019.50
5.4.440.0530.06019.43
5.4.430.0270.04319.60
5.4.420.0230.04719.42
5.4.410.0170.05319.22
5.4.400.0200.04719.20
5.4.390.0170.05319.10
5.4.380.0130.05318.84
5.4.370.0300.04019.14
5.4.360.0100.06018.84
5.4.350.0200.05019.18
5.4.340.0070.06019.00
5.4.320.0100.06018.84
5.4.310.0100.05319.00
5.4.300.0230.04019.17
5.4.290.0170.07019.13
5.4.280.0230.04719.23
5.4.270.0170.05019.14
5.4.260.0130.06018.82
5.4.250.0270.04319.30
5.4.240.0130.05319.29
5.4.230.0100.05718.83
5.4.220.0100.07318.99
5.4.210.0170.05318.91
5.4.200.0230.04316.91
5.4.190.0130.05719.14
5.4.180.0170.05318.86
5.4.170.0230.05319.14
5.4.160.0130.05318.90
5.4.150.0130.05719.15
5.4.140.0100.06016.41
5.4.130.0130.05316.61
5.4.120.0230.04316.34
5.4.110.0170.04716.56
5.4.100.0130.05316.48
5.4.90.0100.05716.48
5.4.80.0170.05716.38
5.4.70.0230.05016.15
5.4.60.0130.05316.16
5.4.50.0170.04716.45
5.4.40.0170.05016.18
5.4.30.0270.04016.44
5.4.20.0370.03316.14
5.4.10.0130.07316.08
5.4.00.0170.05315.93
5.3.290.0100.06014.70
5.3.280.0200.04714.52
5.3.270.0170.05314.61
5.3.260.0230.04714.50
5.3.250.0170.05014.39
5.3.240.0130.05314.62
5.3.230.0200.04714.61
5.3.220.0130.04714.48
5.3.210.0130.05014.40
5.3.200.0130.06014.39
5.3.190.0130.05314.50
5.3.180.0130.05314.50
5.3.170.0230.04314.57
5.3.160.0100.04714.61
5.3.150.0200.05714.27
5.3.140.0170.04314.41
5.3.130.0130.05014.20
5.3.120.0000.06014.31
5.3.110.0300.06314.34
5.3.100.0530.05713.84
5.3.90.0570.04713.76
5.3.80.0700.06013.58
5.3.70.0530.04313.66
5.3.60.0400.06313.73
5.3.50.0530.06713.65
5.3.40.0500.06313.51
5.3.30.0630.05313.66
5.3.20.0570.06013.41
5.3.10.0700.05013.30
5.3.00.0600.05013.43
5.2.170.0470.04711.14
5.2.160.0570.04310.98
5.2.150.0570.04311.01
5.2.140.0630.04311.18
5.2.130.0670.04710.93
5.2.120.0430.04311.20
5.2.110.0470.05011.02
5.2.100.0470.05011.15
5.2.90.0700.04010.93
5.2.80.0500.04310.98
5.2.70.0630.03311.00
5.2.60.0570.04710.84
5.2.50.0730.03711.13
5.2.40.0430.04710.84
5.2.30.0600.06310.87
5.2.20.0470.04710.92
5.2.10.0570.04010.80
5.2.00.0500.04310.71
5.1.60.0530.04010.07
5.1.50.0500.0379.98
5.1.40.0430.0339.89
5.1.30.0430.03010.43
5.1.20.0700.02710.38
5.1.10.0530.0339.94
5.1.00.0400.03710.06
5.0.50.0130.0338.58
5.0.40.0230.0278.32
5.0.30.0230.0478.15
5.0.20.0230.0278.34
5.0.10.0300.0208.32
5.0.00.0170.0478.07
4.4.90.0300.0175.75
4.4.80.0100.0235.83
4.4.70.0300.0275.85
4.4.60.0230.0235.73
4.4.50.0200.0235.85
4.4.40.0270.0305.78
4.4.30.0170.0205.86
4.4.20.0230.0235.85
4.4.10.0330.0205.86
4.4.00.0200.0505.80
4.3.110.0370.0205.74
4.3.100.0170.0175.81
4.3.90.0230.0235.68
4.3.80.0270.0375.77
4.3.70.0270.0175.79
4.3.60.0270.0205.80
4.3.50.0170.0235.76
4.3.40.0300.0305.64
4.3.30.0170.0174.82
4.3.20.0100.0234.82
4.3.10.0030.0274.82
4.3.00.0000.0236.88

preferences:
34.87 ms | 401 KiB | 5 Q