3v4l.org

run code in 300+ PHP versions simultaneously
===ArrayObject=== <?php $a = new ArrayObject(); $a[] = 1; $b = clone $a; var_dump($a[0], $b[0]); $b[0] = $b[0] + 1; var_dump($a[0], $b[0]); $b[0] = 3; var_dump($a[0], $b[0]); ?> ===ArrayIterator=== <?php $a = new ArrayIterator(); $a[] = 1; $b = clone $a; var_dump($a[0], $b[0]); $b[0] = $b[0] + 1; var_dump($a[0], $b[0]); $b[0] = 3; var_dump($a[0], $b[0]); ?>

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)
8.3.60.0170.00316.50
8.3.50.0240.00722.02
8.3.40.0070.01418.84
8.3.30.0060.00918.82
8.3.20.0060.00320.25
8.3.10.0050.00321.73
8.3.00.0040.00417.91
8.2.180.0150.00616.50
8.2.170.0090.01222.96
8.2.160.0040.01120.47
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0090.00926.16
8.2.120.0070.00021.09
8.2.110.0000.01120.52
8.2.100.0080.00417.72
8.2.90.0000.00819.22
8.2.80.0080.00017.97
8.2.70.0030.00617.50
8.2.60.0000.00718.05
8.2.50.0000.00918.07
8.2.40.0070.00319.84
8.2.30.0000.00718.12
8.2.20.0070.00017.81
8.2.10.0030.00618.08
8.2.00.0000.00817.58
8.1.280.0070.00725.92
8.1.270.0060.00323.88
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0100.00722.14
8.1.230.0070.00322.11
8.1.220.0050.00317.78
8.1.210.0000.00818.77
8.1.200.0040.00717.22
8.1.190.0080.00017.00
8.1.180.0000.00718.10
8.1.170.0000.00718.50
8.1.160.0030.00522.02
8.1.150.0000.00818.78
8.1.140.0000.00817.35
8.1.130.0030.00517.84
8.1.120.0040.00417.48
8.1.110.0080.00017.48
8.1.100.0050.00217.44
8.1.90.0060.00317.44
8.1.80.0040.00417.30
8.1.70.0000.00717.30
8.1.60.0000.01017.54
8.1.50.0000.00817.54
8.1.40.0030.00517.54
8.1.30.0000.00817.63
8.1.20.0050.00217.50
8.1.10.0000.00717.60
8.1.00.0040.00417.54
8.0.300.0050.00318.77
8.0.290.0040.00416.63
8.0.280.0030.00318.46
8.0.270.0000.00717.27
8.0.260.0070.00017.17
8.0.250.0070.00016.80
8.0.240.0030.00316.96
8.0.230.0000.00716.81
8.0.220.0030.00316.84
8.0.210.0000.00716.74
8.0.200.0030.00316.80
8.0.190.0000.00716.89
8.0.180.0000.00816.83
8.0.170.0000.00916.70
8.0.160.0000.00716.89
8.0.150.0040.00416.70
8.0.140.0030.00616.84
8.0.130.0000.00513.22
8.0.120.0040.00416.80
8.0.110.0030.00516.76
8.0.100.0000.00716.84
8.0.90.0000.00716.89
8.0.80.0100.01016.89
8.0.70.0080.00016.80
8.0.60.0070.00016.64
8.0.50.0040.00416.75
8.0.30.0110.01117.13
8.0.20.0130.00717.45
8.0.10.0040.00417.00
8.0.00.0110.00716.79
7.4.330.0020.00215.04
7.4.320.0000.00616.57
7.4.300.0000.00716.56
7.4.290.0050.00316.60
7.4.280.0050.00216.59
7.4.270.0030.00316.32
7.4.260.0060.00316.55
7.4.250.0030.00516.32
7.4.240.0030.00416.60
7.4.230.0070.00016.30
7.4.220.0120.00616.50
7.4.210.0060.00916.41
7.4.200.0030.00316.65
7.4.160.0100.01316.58
7.4.150.0120.00617.40
7.4.140.0120.00517.86
7.4.130.0090.00816.37
7.4.120.0150.00616.81
7.4.110.0100.00716.63
7.4.100.0100.00716.33
7.4.90.0060.01216.50
7.4.80.0110.00719.39
7.4.70.0070.01016.57
7.4.60.0100.00616.44
7.4.50.0040.00416.69
7.4.40.0070.01116.50
7.4.30.0180.00316.55
7.4.00.0040.01415.04
7.3.330.0000.00613.18
7.3.320.0000.00513.05
7.3.310.0040.00416.37
7.3.300.0040.00316.33
7.3.290.0100.01016.39
7.3.280.0050.01416.42
7.3.270.0110.00917.40
7.3.260.0000.01816.41
7.3.250.0150.00616.36
7.3.240.0130.00916.39
7.3.230.0030.01516.39
7.3.210.0030.01316.44
7.3.200.0040.01519.39
7.3.190.0100.00916.67
7.3.180.0000.01616.39
7.3.170.0100.00616.62
7.3.160.0040.01316.32
7.3.120.0060.01015.12
7.2.330.0170.00016.79
7.2.320.0140.00316.64
7.2.310.0030.01316.45
7.2.300.0090.00916.57
7.2.290.0130.00316.60
7.1.70.0030.00617.12
7.1.60.0100.01319.11
7.1.50.0030.01316.95
7.1.00.0070.07322.51
7.0.200.0060.00616.88
7.0.140.0000.07722.11
7.0.60.0070.07320.02
7.0.50.0000.04717.89
7.0.40.0070.08720.27
7.0.30.0230.05720.04
7.0.20.0230.07320.16
7.0.10.0030.04320.04
7.0.00.0030.05720.00
5.6.280.0100.06720.82
5.6.210.0130.07720.50
5.6.200.0230.03018.12
5.6.190.0030.04320.61
5.6.180.0270.05720.27
5.6.170.0070.05720.62
5.6.160.0070.04720.70
5.6.150.0100.07318.22
5.6.140.0070.03718.18
5.6.130.0130.07718.15
5.6.120.0070.03721.04
5.6.110.0100.08720.99
5.6.100.0030.08721.02
5.6.90.0170.07720.95
5.6.80.0130.04720.43
5.5.350.0130.03320.48
5.5.340.0100.05717.91
5.5.330.0030.05720.14
5.5.320.0370.04720.28
5.5.310.0330.05020.23
5.5.300.0130.07317.91
5.5.290.0130.07717.95
5.5.280.0070.05720.84
5.5.270.0000.04720.72
5.5.260.0130.07720.76
5.5.250.0100.07320.68
5.5.240.0200.02320.15
5.4.450.0670.04019.58
5.4.440.0230.04319.27
5.4.430.0270.04019.13
5.4.420.0200.04719.40
5.4.410.0230.04019.41
5.4.400.0830.03719.25
5.4.390.0270.04319.26
5.4.380.0630.06718.56
5.4.370.0470.04018.75
5.4.360.0300.06018.46
5.4.350.0300.05318.57
5.4.340.0370.05318.61
5.4.320.0040.03712.46
5.4.310.0050.04012.46
5.4.300.0060.03612.46
5.4.290.0060.03712.45
5.4.280.0060.03312.35
5.4.270.0070.03412.35
5.4.260.0070.03512.35
5.4.250.0040.03912.35
5.4.240.0020.03812.35
5.4.230.0070.03512.34
5.4.220.0080.03712.34
5.4.210.0050.04312.34
5.4.200.0050.03812.34
5.4.190.0060.03612.34
5.4.180.0080.03312.34
5.4.170.0060.03512.35
5.4.160.0050.03612.35
5.4.150.0070.03812.34
5.4.140.0030.04012.03
5.4.130.0070.03412.02
5.4.120.0040.03711.98
5.4.110.0030.03711.97
5.4.100.0060.03511.97
5.4.90.0050.03611.96
5.4.80.0050.03711.96
5.4.70.0050.03511.96
5.4.60.0090.03011.96
5.4.50.0090.03211.96
5.4.40.0070.03311.95
5.4.30.0050.03611.95
5.4.20.0040.03711.95
5.4.10.0050.03511.95
5.4.00.0020.04011.44
5.3.290.0070.03812.80
5.3.280.0080.03612.71
5.3.270.0050.04312.73
5.3.260.0060.03912.72
5.3.250.0060.03912.72
5.3.240.0070.03812.72
5.3.230.0090.03612.71
5.3.220.0090.03712.68
5.3.210.0090.03912.68
5.3.200.0070.04012.68
5.3.190.0090.04012.68
5.3.180.0090.03612.68
5.3.170.0060.03812.67
5.3.160.0060.03712.67
5.3.150.0070.03512.68
5.3.140.0050.03812.66
5.3.130.0050.04012.65
5.3.120.0050.04012.66
5.3.110.0050.03912.66
5.3.100.0080.03512.12
5.3.90.0040.04312.08
5.3.80.0110.04512.07
5.3.70.0080.04312.07
5.3.60.0090.03512.06
5.3.50.0060.05012.00
5.3.40.0060.05112.00
5.3.30.0070.03811.95
5.3.20.0060.03611.73
5.3.10.0090.03811.69
5.3.00.0090.03211.68
5.2.170.0040.0309.18
5.2.160.0080.0279.18
5.2.150.0050.0379.18
5.2.140.0060.0309.18
5.2.130.0070.0339.14
5.2.120.0030.0389.14
5.2.110.0070.0379.14
5.2.100.0040.0289.15
5.2.90.0060.0279.14
5.2.80.0030.0319.14
5.2.70.0050.0289.14
5.2.60.0080.0259.09
5.2.50.0060.0289.05
5.2.40.0050.0289.03
5.2.30.0060.0289.01
5.2.20.0070.0269.00
5.2.10.0050.0298.92
5.2.00.0050.0298.78
5.1.60.0050.0238.07
5.1.50.0050.0248.07
5.1.40.0040.0248.04
5.1.30.0060.0248.39
5.1.20.0050.0258.41
5.1.10.0080.0228.14
5.1.00.0030.0278.14
5.0.50.0030.0226.63
5.0.40.0050.0176.49
5.0.30.0030.0316.30
5.0.20.0050.0176.28
5.0.10.0030.0206.25
5.0.00.0060.0286.24
4.4.90.0040.0144.78
4.4.80.0030.0244.76
4.4.70.0020.0164.75
4.4.60.0020.0164.75
4.4.50.0030.0174.77
4.4.40.0020.0254.71
4.4.30.0020.0164.76
4.4.20.0030.0154.84
4.4.10.0050.0144.85
4.4.00.0060.0224.76
4.3.110.0030.0164.67
4.3.100.0040.0134.66
4.3.90.0020.0154.64
4.3.80.0010.0254.58
4.3.70.0030.0144.63
4.3.60.0040.0124.63
4.3.50.0010.0174.63
4.3.40.0040.0234.53
4.3.30.0030.0143.29
4.3.20.0020.0173.26
4.3.10.0040.0233.22
4.3.00.0030.01715.29

preferences:
39.66 ms | 401 KiB | 5 Q