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, $v) {} public function offsetExists($k) { echo "offsetExists: "; var_dump($k); } public function offsetUnset($k) {} } $x = new C(); var_dump($x['123']); var_dump(isset($x['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)
8.3.60.0080.00818.30
8.3.50.0150.00521.94
8.3.40.0130.00318.94
8.3.30.0040.01119.17
8.3.20.0060.00320.29
8.3.10.0080.00023.48
8.3.00.0030.00619.13
8.2.180.0130.00316.88
8.2.170.0040.01122.96
8.2.160.0040.01120.21
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00821.02
8.2.110.0070.00321.12
8.2.100.0070.00317.81
8.2.90.0040.00417.97
8.2.80.0000.00817.97
8.2.70.0030.00617.75
8.2.60.0060.00618.04
8.2.50.0000.00818.07
8.2.40.0090.00018.16
8.2.30.0090.00018.19
8.2.20.0040.00417.82
8.2.10.0000.00818.05
8.2.00.0030.00617.69
8.1.280.0100.00725.92
8.1.270.0040.00423.97
8.1.260.0030.00626.35
8.1.250.0050.00328.09
8.1.240.0030.00622.58
8.1.230.0090.00321.03
8.1.220.0000.00817.91
8.1.210.0050.00518.77
8.1.200.0090.00017.23
8.1.190.0030.00517.23
8.1.180.0090.00018.10
8.1.170.0000.00818.50
8.1.160.0000.00821.98
8.1.150.0000.00818.77
8.1.140.0040.00417.38
8.1.130.0070.00417.82
8.1.120.0000.00817.39
8.1.110.0000.00717.49
8.1.100.0000.00717.42
8.1.90.0050.00217.47
8.1.80.0000.00717.53
8.1.70.0040.00417.44
8.1.60.0090.00017.63
8.1.50.0090.00017.36
8.1.40.0030.00517.50
8.1.30.0080.00017.59
8.1.20.0000.00817.57
8.1.10.0000.00817.57
8.1.00.0000.00717.44
8.0.300.0080.00019.98
8.0.290.0040.00416.63
8.0.280.0000.00718.43
8.0.270.0030.00517.32
8.0.260.0070.00017.31
8.0.250.0030.00316.86
8.0.240.0000.00616.89
8.0.230.0000.00716.90
8.0.220.0070.00016.79
8.0.210.0000.00716.86
8.0.200.0000.00616.97
8.0.190.0030.00616.97
8.0.180.0030.00516.83
8.0.170.0020.00516.93
8.0.160.0000.00816.95
8.0.150.0040.00416.78
8.0.140.0040.00416.78
8.0.130.0000.00513.32
8.0.120.0040.00416.85
8.0.110.0000.00716.85
8.0.100.0040.00416.91
8.0.90.0000.00716.84
8.0.80.0060.01016.89
8.0.70.0020.00516.91
8.0.60.0000.00716.88
8.0.50.0020.00516.71
8.0.30.0100.01117.04
8.0.20.0180.00317.40
8.0.10.0040.00416.91
8.0.00.0100.00816.69
7.4.330.0000.00615.00
7.4.320.0030.00316.44
7.4.300.0000.00616.50
7.4.290.0040.00416.45
7.4.280.0060.00316.59
7.4.270.0070.00016.55
7.4.260.0000.00716.47
7.4.250.0000.00716.49
7.4.240.0040.00316.58
7.4.230.0060.00316.58
7.4.220.0140.00416.56
7.4.210.0070.00716.59
7.4.200.0070.00016.61
7.4.160.0040.01216.50
7.4.150.0130.01017.40
7.4.140.0050.01217.86
7.4.130.0120.00816.70
7.4.120.0120.00616.44
7.4.110.0100.00916.55
7.4.100.0130.00716.44
7.4.90.0070.01016.42
7.4.80.0120.00619.39
7.4.70.0060.00916.63
7.4.60.0100.00616.53
7.4.50.0000.00916.28
7.4.40.0080.00816.32
7.4.30.0090.01216.65
7.4.00.0100.00315.21
7.3.330.0030.00413.04
7.3.320.0030.00313.28
7.3.310.0080.00016.38
7.3.300.0030.00316.27
7.3.290.0040.01116.27
7.3.280.0070.01016.32
7.3.270.0180.00017.40
7.3.260.0100.00716.29
7.3.240.0080.01216.52
7.3.230.0120.00716.59
7.3.210.0030.01916.38
7.3.200.0130.01019.39
7.3.190.0050.01216.44
7.3.180.0120.00916.50
7.3.170.0120.00316.40
7.3.160.0080.00816.32
7.3.10.0070.00416.33
7.3.00.0000.01016.61
7.2.330.0100.00716.54
7.2.320.0140.00716.72
7.2.310.0030.02016.79
7.2.300.0140.00816.71
7.2.290.0090.00916.35
7.2.130.0040.01116.90
7.2.120.0090.00316.61
7.2.110.0120.00316.91
7.2.100.0030.01216.85
7.2.90.0070.00317.01
7.2.80.0070.00716.55
7.2.70.0030.01016.73
7.2.60.0070.01116.72
7.2.50.0070.00716.91
7.2.40.0070.00716.73
7.2.30.0060.00917.10
7.2.20.0030.00616.66
7.2.10.0040.00817.11
7.2.00.0060.00617.03
7.1.250.0060.00315.80
7.1.70.0000.01117.20
7.1.60.0070.01819.32
7.1.50.0070.01416.59
7.1.00.0000.08022.32
7.0.200.0000.00816.56
7.0.140.0070.07022.10
7.0.60.0070.08020.02
7.0.50.0100.08317.91
7.0.40.0030.05320.29
7.0.30.0300.04320.08
7.0.20.0270.06720.32
7.0.10.0070.08020.24
7.0.00.0130.08020.14
5.6.280.0070.07020.91
5.6.210.0100.08720.72
5.6.200.0070.07018.18
5.6.190.0100.04720.79
5.6.180.0230.08020.64
5.6.170.0430.07020.62
5.6.160.0170.07720.62
5.6.150.0070.05718.25
5.6.140.0100.08018.23
5.6.130.0070.08718.27
5.6.120.0030.08721.02
5.6.110.0100.08720.98
5.6.100.0170.07320.98
5.6.90.0070.09021.11
5.6.80.0100.07720.45
5.5.350.0200.07320.45
5.5.340.0030.04317.97
5.5.330.0070.04020.35
5.5.320.0370.08020.27
5.5.310.0270.06320.30
5.5.300.0100.07717.92
5.5.290.0130.04318.06
5.5.280.0100.06720.77
5.5.270.0070.08320.79
5.5.260.0170.06020.98
5.5.250.0130.07720.62
5.5.240.0230.07320.13
5.4.450.0900.05719.30
5.4.440.0770.05719.21
5.4.430.1030.06319.61
5.4.420.0630.00019.43
5.4.410.0630.00019.25
5.4.400.0630.00019.22
5.4.390.0630.00019.13
5.4.380.0630.00019.01
5.4.370.0630.00019.16
5.4.360.0600.00019.04
5.4.350.0670.00019.16
5.4.340.0100.03612.02
5.4.320.0080.03712.50
5.4.310.0060.04012.50
5.4.300.0110.03812.50
5.4.290.0080.04012.50
5.4.280.0070.03412.40
5.4.270.0070.03412.40
5.4.260.0060.03812.40
5.4.250.0030.04012.40
5.4.240.0070.03412.40
5.4.230.0080.03712.39
5.4.220.0050.04312.39
5.4.210.0060.03612.39
5.4.200.0080.03712.39
5.4.190.0080.03612.38
5.4.180.0090.03212.39
5.4.170.0050.03712.40
5.4.160.0090.03212.39
5.4.150.0070.03812.39
5.4.140.0090.03412.07
5.4.130.0080.03312.06
5.4.120.0050.03512.02
5.4.110.0050.03512.02
5.4.100.0050.03512.02
5.4.90.0050.03712.02
5.4.80.0040.03912.02
5.4.70.0080.03212.01
5.4.60.0060.03412.02
5.4.50.0080.04112.02
5.4.40.0040.03712.00
5.4.30.0060.03512.00
5.4.20.0050.03711.99
5.4.10.0060.03812.00
5.4.00.0040.03711.48
5.3.290.0070.04612.80
5.3.280.0110.03312.70
5.3.270.0050.03912.72
5.3.260.0060.04112.72
5.3.250.0040.03812.72
5.3.240.0080.04112.72
5.3.230.0070.03712.71
5.3.220.0070.04012.68
5.3.210.0080.04012.68
5.3.200.0060.04212.68
5.3.190.0080.03512.67
5.3.180.0050.04612.67
5.3.170.0040.03912.67
5.3.160.0060.03612.67
5.3.150.0070.04312.67
5.3.140.0030.04312.66
5.3.130.0110.04212.66
5.3.120.0070.03712.66
5.3.110.0110.03412.66
5.3.100.0110.04312.12
5.3.90.0080.03612.11
5.3.80.0090.03512.10
5.3.70.0050.03712.10
5.3.60.0070.03912.08
5.3.50.0090.03512.03
5.3.40.0060.03612.03
5.3.30.0100.03811.99
5.3.20.0080.03611.77
5.3.10.0060.03611.73
5.3.00.0110.03911.72
5.2.170.0050.0309.23
5.2.160.0080.0269.23
5.2.150.0040.0319.23
5.2.140.0030.0329.23
5.2.130.0060.0289.18
5.2.120.0070.0269.19
5.2.110.0060.0309.19
5.2.100.0070.0309.18
5.2.90.0080.0299.19
5.2.80.0040.0319.18
5.2.70.0100.0269.18
5.2.60.0070.0289.13
5.2.50.0080.0319.10
5.2.40.0080.0259.07
5.2.30.0030.0309.05
5.2.20.0050.0289.04
5.2.10.0060.0328.95
5.2.00.0070.0308.81
5.1.60.0050.0308.09
5.1.50.0080.0308.09
5.1.40.0030.0258.07
5.1.30.0070.0238.42
5.1.20.0060.0248.45
5.1.10.0070.0228.16
5.1.00.0020.0278.16
5.0.50.0030.0246.65
5.0.40.0070.0196.50
5.0.30.0040.0386.32
5.0.20.0020.0206.29
5.0.10.0040.0276.26
5.0.00.0100.0246.25
4.4.90.0030.0174.78
4.4.80.0050.0134.76
4.4.70.0040.0174.75
4.4.60.0050.0154.76
4.4.50.0040.0184.77
4.4.40.0040.0284.71
4.4.30.0050.0194.76
4.4.20.0030.0154.84
4.4.10.0020.0164.85
4.4.00.0020.0294.76
4.3.110.0050.0194.67
4.3.100.0030.0164.66
4.3.90.0030.0154.64
4.3.80.0050.0224.58
4.3.70.0030.0174.63
4.3.60.0070.0164.63
4.3.50.0030.0194.63
4.3.40.0000.0264.54
4.3.30.0020.0223.30
4.3.20.0050.0233.28
4.3.10.0070.0123.23
4.3.00.0030.0237.43

preferences:
50.61 ms | 401 KiB | 5 Q