3v4l.org

run code in 300+ PHP versions simultaneously
<?php $iterator = new EmptyIterator(); var_dump(array( 'count' => count($iterator), 'empty' => empty($iterator), 'is countable' => $iterator instanceof Countable, ));

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)
8.3.60.0090.00616.63
8.3.50.0070.00717.89
8.3.40.0120.00318.60
8.3.30.0070.00718.54
8.3.20.0070.00020.21
8.3.10.0040.00423.83
8.3.00.0110.00017.50
8.2.180.0140.00416.50
8.2.170.0110.00422.96
8.2.160.0080.00620.46
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0060.00317.50
8.2.110.0090.00020.29
8.2.100.0080.00417.48
8.2.90.0060.00317.99
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0000.00817.91
8.2.50.0060.00318.07
8.2.40.0070.00021.07
8.2.30.0040.00420.61
8.2.20.0000.00717.65
8.2.10.0050.00217.98
8.2.00.0040.00418.00
8.1.280.0120.00325.92
8.1.270.0030.00623.96
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0050.00522.08
8.1.230.0040.00720.86
8.1.220.0000.00817.75
8.1.210.0060.00318.78
8.1.200.0070.00317.35
8.1.190.0040.00417.35
8.1.180.0080.00018.10
8.1.170.0050.00318.80
8.1.160.0000.00822.06
8.1.150.0040.00418.95
8.1.140.0000.00719.43
8.1.130.0030.00517.73
8.1.120.0000.00717.44
8.1.110.0000.00817.36
8.1.100.0000.00817.41
8.1.90.0050.00517.43
8.1.80.0050.00317.39
8.1.70.0000.00617.31
8.1.60.0040.00417.59
8.1.50.0040.00417.44
8.1.40.0040.00417.46
8.1.30.0040.00417.54
8.1.20.0050.00317.61
8.1.10.0040.00417.42
8.1.00.0070.00017.41
8.0.300.0000.00720.21
8.0.290.0000.00716.63
8.0.280.0030.00318.35
8.0.270.0000.00717.18
8.0.260.0060.00317.10
8.0.250.0040.00416.83
8.0.240.0040.00416.98
8.0.230.0030.00316.94
8.0.220.0000.00816.85
8.0.210.0050.00316.84
8.0.200.0030.00316.93
8.0.190.0070.00016.77
8.0.180.0040.00416.96
8.0.170.0030.00616.98
8.0.160.0070.00016.90
8.0.150.0030.00416.87
8.0.140.0000.00716.82
8.0.130.0030.00313.38
8.0.120.0040.00416.87
8.0.110.0040.00416.91
8.0.100.0050.00216.93
8.0.90.0040.00416.77
8.0.80.0090.00916.86
8.0.70.0000.00716.93
8.0.60.0000.00716.93
8.0.50.0040.00416.98
8.0.30.0090.00917.10
8.0.20.0100.00817.40
8.0.10.0030.00517.03
8.0.00.0100.00816.59
7.4.330.0060.00015.08
7.4.320.0000.00616.57
7.4.300.0030.00316.59
7.4.290.0030.00316.52
7.4.280.0000.00816.51
7.4.270.0090.00016.57
7.4.260.0000.00716.57
7.4.250.0000.00816.52
7.4.240.0030.00416.55
7.4.230.0070.00016.58
7.4.220.0070.01116.33
7.4.210.0040.01116.55
7.4.200.0000.00716.56
7.4.160.0060.01016.36
7.4.150.0140.00417.40
7.4.140.0130.01117.86
7.4.130.0080.01316.51
7.4.120.0120.00916.57
7.4.110.0200.00316.56
7.4.100.0140.00416.36
7.4.90.0040.01516.39
7.4.80.0130.01019.39
7.4.70.0070.01016.63
7.4.60.0030.01316.46
7.4.50.0050.00316.50
7.4.40.0120.00416.71
7.4.30.0100.00916.44
7.4.00.0090.00814.91
7.3.330.0060.00013.25
7.3.320.0000.00513.20
7.3.310.0000.00716.52
7.3.300.0040.00416.36
7.3.290.0110.00616.36
7.3.280.0080.00916.31
7.3.270.0160.00017.40
7.3.260.0140.01016.39
7.3.250.0100.00616.53
7.3.240.0080.01316.27
7.3.230.0050.01116.41
7.3.210.0120.00616.27
7.3.200.0150.00616.60
7.3.190.0130.00316.37
7.3.180.0070.01216.55
7.3.170.0030.01316.34
7.3.160.0140.00316.53
7.3.120.0060.01215.07
7.3.110.0130.00714.78
7.3.100.0060.00614.92
7.3.90.0070.01014.67
7.3.80.0070.01014.59
7.3.70.0000.01814.71
7.3.60.0040.01114.95
7.3.50.0030.01014.87
7.3.40.0060.00914.96
7.3.30.0030.00614.67
7.3.20.0080.00616.71
7.3.10.0070.00716.53
7.3.00.0080.00416.34
7.2.330.0140.00416.56
7.2.320.0130.00916.83
7.2.310.0110.01316.70
7.2.300.0130.01016.40
7.2.290.0120.00616.48
7.2.250.0060.01515.05
7.2.240.0120.00914.83
7.2.230.0090.00615.04
7.2.220.0060.00614.93
7.2.210.0090.00614.84
7.2.200.0080.00614.95
7.2.190.0030.00715.04
7.2.180.0030.01315.18
7.2.170.0060.00615.08
7.2.60.0120.00316.56
7.2.00.0000.01119.25
7.1.330.0030.01015.93
7.1.320.0100.00715.63
7.1.310.0040.00815.82
7.1.300.0060.00615.86
7.1.290.0120.00315.88
7.1.280.0030.00615.86
7.1.270.0050.00515.79
7.1.260.0070.00716.00
7.1.200.0030.01215.84
7.1.100.0040.01317.67
7.1.70.0030.00316.95
7.1.60.0140.01119.11
7.1.50.0140.01434.80
7.1.00.0070.07022.28
7.0.200.0080.00816.81
7.0.60.0070.06719.91
7.0.50.0030.04017.67
7.0.40.0170.07320.13
7.0.30.0530.06020.00
7.0.20.0270.07720.02
7.0.10.0270.03020.11
7.0.00.0100.08320.00
5.6.280.0030.04321.07
5.6.210.0170.06020.59
5.6.200.0070.07318.22
5.6.190.0130.03320.63
5.6.180.0200.04020.77
5.6.170.0230.08020.46
5.6.160.0100.05020.50
5.6.150.0030.05018.17
5.6.140.0070.04318.08
5.6.130.0030.08718.10
5.6.120.0030.05021.09
5.6.110.0000.07720.98
5.6.100.0100.07720.88
5.6.90.0130.08020.95
5.6.80.0100.08320.43
5.6.70.0370.06720.27
5.5.350.0200.06020.31
5.5.340.0170.06018.02
5.5.330.0130.08020.19
5.5.320.0200.05020.19
5.5.310.0300.07020.17
5.5.300.0100.07718.01
5.5.290.0070.03717.98
5.5.280.0070.07720.64
5.5.270.0030.04320.88
5.5.260.0200.07720.86
5.5.250.0130.04020.57
5.5.240.0100.05320.34
5.4.450.0170.06319.10
5.4.440.0330.07019.26
5.4.430.0330.04719.58
5.4.420.0130.06019.25
5.4.410.0370.06019.48
5.4.400.0100.06318.80
5.4.390.0200.05718.91
5.4.380.0170.05718.96
5.4.370.0100.05718.77
5.4.360.0300.05318.93
5.4.350.0200.05018.96
5.4.340.0270.04319.30
5.4.320.0200.05719.16
5.4.310.0170.05018.92
5.4.300.0230.04718.93
5.4.290.0130.05318.91
5.4.280.0200.05018.96
5.4.270.0300.05719.26
5.4.260.0300.06318.77
5.4.250.0130.05719.25
5.4.240.0270.07018.97
5.4.230.0100.06018.95
5.4.220.0170.06319.13
5.4.210.0170.05319.25
5.4.200.0130.07718.80
5.4.190.0130.05719.18
5.4.180.0270.04319.23
5.4.170.0200.05018.90
5.4.160.0130.05319.22
5.4.150.0300.04319.12
5.4.140.0230.05716.30
5.4.130.0130.05016.40
5.4.120.0230.04016.47
5.4.110.0070.06016.50
5.4.100.0100.05716.46
5.4.90.0270.04016.44
5.4.80.0200.04316.42
5.4.70.0200.04316.41
5.4.60.0170.05016.44
5.4.50.0270.04316.19
5.4.40.0130.05316.38
5.4.30.0230.04016.53
5.4.20.0100.05716.46
5.4.10.0200.07016.39
5.4.00.0230.04715.87

preferences:
52.18 ms | 400 KiB | 5 Q