3v4l.org

run code in 300+ PHP versions simultaneously
<?php class C implements ArrayAccess { public function offsetGet($k) { echo "offsetGet: "; var_dump($k); } public function offsetSet($k, $v) { echo "offsetSet: "; var_dump($k); } public function offsetExists($k) { echo "offsetExists: "; var_dump($k); } public function offsetUnset($k) { echo "offsetUnset: "; var_dump($k); } } $x = new C(); function id($k) { return $k; } var_dump($x[id('123')]); var_dump($x[id('123')] = 4); var_dump(isset($x[id('123')])); unset($x[id('123')]);

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)
8.3.60.0190.00318.40
8.3.50.0040.01118.19
8.3.40.0060.01518.93
8.3.30.0070.00719.27
8.3.20.0050.00320.10
8.3.10.0140.00423.51
8.3.00.0040.00419.50
8.2.180.0160.00316.75
8.2.170.0120.00922.96
8.2.160.0070.01320.39
8.2.150.0050.00324.18
8.2.140.0130.00724.66
8.2.130.0080.00026.16
8.2.120.0030.00522.19
8.2.110.0060.00320.95
8.2.100.0090.00318.03
8.2.90.0040.00419.17
8.2.80.0000.00817.97
8.2.70.0000.00917.91
8.2.60.0090.00018.05
8.2.50.0060.00318.10
8.2.40.0070.00019.30
8.2.30.0040.00419.32
8.2.20.0040.00417.79
8.2.10.0040.00417.99
8.2.00.0030.00617.72
8.1.280.0040.01125.92
8.1.270.0080.00323.91
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00423.68
8.1.230.0080.00319.00
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0000.00817.36
8.1.190.0000.00817.35
8.1.180.0080.00018.10
8.1.170.0000.00718.75
8.1.160.0080.00018.85
8.1.150.0080.00018.99
8.1.140.0000.00717.48
8.1.130.0040.00417.73
8.1.120.0040.00417.43
8.1.110.0040.00417.41
8.1.100.0040.00417.44
8.1.90.0040.00417.44
8.1.80.0040.00417.41
8.1.70.0070.00017.33
8.1.60.0060.00317.59
8.1.50.0040.00417.56
8.1.40.0040.00417.52
8.1.30.0070.00317.61
8.1.20.0080.00017.71
8.1.10.0000.00817.57
8.1.00.0040.00417.36
8.0.300.0070.00318.77
8.0.290.0000.00716.75
8.0.280.0030.00318.44
8.0.270.0000.00717.30
8.0.260.0060.00017.25
8.0.250.0000.00716.99
8.0.240.0030.00316.99
8.0.230.0060.00016.87
8.0.220.0070.00016.82
8.0.210.0000.00716.74
8.0.200.0000.00616.78
8.0.190.0000.00816.94
8.0.180.0000.00716.82
8.0.170.0030.00616.89
8.0.160.0040.00416.72
8.0.150.0030.00616.84
8.0.140.0020.00516.79
8.0.130.0030.00313.29
8.0.120.0000.00816.77
8.0.110.0040.00416.77
8.0.100.0000.00716.93
8.0.90.0050.00316.83
8.0.80.0060.00916.87
8.0.70.0040.00416.75
8.0.60.0070.00016.95
8.0.50.0060.00316.90
8.0.30.0120.00817.08
8.0.20.0160.00817.40
8.0.10.0080.00017.03
8.0.00.0110.00616.71
7.4.330.0040.00015.00
7.4.320.0000.00716.57
7.4.300.0030.00316.64
7.4.290.0050.00216.48
7.4.280.0000.00916.54
7.4.270.0030.00316.48
7.4.260.0000.00716.49
7.4.250.0070.00016.56
7.4.240.0000.00716.57
7.4.230.0000.00816.43
7.4.220.0190.00816.44
7.4.210.0070.00716.46
7.4.200.0000.00716.35
7.4.160.0140.00316.41
7.4.150.0130.00417.40
7.4.140.0140.01117.86
7.4.130.0100.00916.68
7.4.120.0120.00916.44
7.4.110.0090.00916.62
7.4.100.0120.00616.41
7.4.90.0120.00616.54
7.4.80.0090.00919.39
7.4.70.0060.01016.50
7.4.60.0060.01016.65
7.4.50.0060.00316.42
7.4.40.0030.01516.58
7.4.30.0080.01216.54
7.4.00.0050.00514.81
7.3.330.0030.00313.35
7.3.320.0000.00613.42
7.3.310.0030.00316.36
7.3.300.0000.00716.34
7.3.290.0040.01116.29
7.3.280.0100.00616.36
7.3.270.0150.00317.40
7.3.260.0100.00616.43
7.3.240.0090.00916.62
7.3.230.0070.01116.55
7.3.210.0060.01016.60
7.3.200.0120.01219.39
7.3.190.0060.01816.39
7.3.180.0060.01116.45
7.3.170.0150.00616.58
7.3.160.0060.00916.45
7.2.330.0170.00916.80
7.2.320.0130.00316.77
7.2.310.0120.01016.38
7.2.300.0030.01416.46
7.2.290.0110.01216.59
7.1.70.0030.00517.06
7.1.60.0070.01719.32
7.1.50.0100.01016.98
7.1.00.0030.07722.30
7.0.200.0060.00316.73
7.0.140.0030.07021.99
7.0.60.0000.06319.91
7.0.50.0070.05017.90
7.0.40.0070.04020.20
7.0.30.0200.04720.26
7.0.20.0500.06320.21
7.0.10.0100.07720.10
7.0.00.0070.04320.12
5.6.280.0100.07020.91
5.6.210.0000.04320.56
5.6.200.0070.05318.18
5.6.190.0100.05320.50
5.6.180.0330.07320.34
5.6.170.0300.05020.48
5.6.160.0070.04020.57
5.6.150.0100.04718.12
5.6.140.0030.04018.18
5.6.130.0030.04018.17
5.6.120.0030.06720.90
5.6.110.0130.07721.01
5.6.100.0170.07021.14
5.6.90.0070.04020.98
5.6.80.0100.07720.50
5.6.70.2030.03720.44
5.5.350.0030.06020.48
5.5.340.0070.04717.98
5.5.330.0070.05720.29
5.5.320.0330.06020.42
5.5.310.0200.07720.41
5.5.300.0000.04717.96
5.5.290.0130.03318.00
5.5.280.0100.07020.87
5.5.270.0030.05720.87
5.5.260.0000.09320.80
5.5.250.0100.04720.70
5.5.240.0270.07020.20
5.4.450.0770.05019.55
5.4.440.0670.06319.60
5.4.430.0070.05719.38
5.4.420.0730.00019.41
5.4.410.0670.00019.43
5.4.400.0770.00018.92
5.4.390.0630.00019.06
5.4.380.0670.00019.26
5.4.370.0600.00019.11
5.4.360.0630.00018.98
5.4.350.0630.00019.13
5.4.340.0050.03512.02
5.4.320.0070.03712.51
5.4.310.0080.04412.50
5.4.300.0090.03212.51
5.4.290.0070.03712.51
5.4.280.0060.03412.40
5.4.270.0040.03812.40
5.4.260.0040.03712.40
5.4.250.0060.03912.40
5.4.240.0020.03912.41
5.4.230.0080.03512.39
5.4.220.0040.03712.39
5.4.210.0020.03912.39
5.4.200.0060.03612.40
5.4.190.0060.03512.39
5.4.180.0060.03412.39
5.4.170.0030.03812.39
5.4.160.0050.03712.40
5.4.150.0040.03612.39
5.4.140.0030.03812.07
5.4.130.0080.03212.06
5.4.120.0090.03112.02
5.4.110.0060.03412.02
5.4.100.0080.03212.02
5.4.90.0080.04112.02
5.4.80.0090.03512.01
5.4.70.0020.03812.01
5.4.60.0060.04012.02
5.4.50.0030.03712.01
5.4.40.0060.03412.00
5.4.30.0040.03512.00
5.4.20.0060.03412.00
5.4.10.0060.03512.00
5.4.00.0050.03611.48
5.3.290.0060.03812.80
5.3.280.0110.03612.71
5.3.270.0060.04012.73
5.3.260.0080.03712.72
5.3.250.0070.04312.72
5.3.240.0050.04312.72
5.3.230.0060.03812.71
5.3.220.0070.03612.68
5.3.210.0090.03912.68
5.3.200.0030.03812.68
5.3.190.0050.03712.68
5.3.180.0060.04512.68
5.3.170.0030.03812.67
5.3.160.0050.03612.68
5.3.150.0080.03512.68
5.3.140.0030.03812.66
5.3.130.0080.04012.66
5.3.120.0080.03612.66
5.3.110.0040.04012.66
5.3.100.0060.03612.13
5.3.90.0030.03812.11
5.3.80.0040.03712.09
5.3.70.0040.03712.09
5.3.60.0040.03712.09
5.3.50.0090.03412.04
5.3.40.0070.03512.04
5.3.30.0070.04312.00
5.3.20.0100.03111.78
5.3.10.0070.03311.73
5.3.00.0060.03511.72
5.2.170.0030.0319.23
5.2.160.0040.0289.23
5.2.150.0030.0319.23
5.2.140.0030.0319.22
5.2.130.0050.0289.19
5.2.120.0040.0289.18
5.2.110.0030.0309.19
5.2.100.0070.0259.19
5.2.90.0070.0259.19
5.2.80.0030.0329.19
5.2.70.0010.0339.18
5.2.60.0050.0379.14
5.2.50.0020.0319.11
5.2.40.0030.0299.08
5.2.30.0040.0299.06
5.2.20.0060.0279.05
5.2.10.0040.0348.96
5.2.00.0060.0278.82
5.1.60.0050.0238.10
5.1.50.0020.0268.09
5.1.40.0050.0288.08
5.1.30.0040.0258.43
5.1.20.0030.0278.45
5.1.10.0020.0278.17
5.1.00.0030.0268.17
5.0.50.0040.0196.65
5.0.40.0040.0186.51
5.0.30.0050.0296.32
5.0.20.0040.0196.29
5.0.10.0030.0206.27
5.0.00.0030.0306.27
4.4.90.0030.0154.78
4.4.80.0020.0154.75
4.4.70.0030.0224.76
4.4.60.0060.0114.75
4.4.50.0010.0164.77
4.4.40.0040.0234.71
4.4.30.0050.0204.76
4.4.20.0030.0154.85
4.4.10.0020.0174.85
4.4.00.0040.0244.76
4.3.110.0030.0154.67
4.3.100.0030.0144.67
4.3.90.0010.0194.63
4.3.80.0030.0254.59
4.3.70.0040.0124.63
4.3.60.0050.0124.63
4.3.50.0020.0164.63
4.3.40.0020.0244.54
4.3.30.0020.0153.30
4.3.20.0030.0143.28
4.3.10.0030.0153.23
4.3.00.0030.0277.31

preferences:
43.8 ms | 400 KiB | 5 Q