3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('KEYS', 9999); $a = new ArrayObject(); function fill(&$arr) { for ($i = 1; $i <= KEYS; $i++) { $arr['key-' . $i] = $i; } } function read_key(&$arr) { for ($i = 1; $i <= KEYS; $i++) { $v = $arr['key-' . $i]; } } function for_each(&$arr) { foreach ($arr as $key => $value) { $v = $value; } } fill($a); read_key($a); for_each($a);

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)
8.3.60.0120.00917.63
8.3.50.0150.00922.06
8.3.40.0130.00619.92
8.3.30.0110.00720.17
8.3.20.0030.00721.32
8.3.10.0030.00723.56
8.3.00.0030.00619.38
8.2.180.0090.01218.16
8.2.170.0040.01422.96
8.2.160.0030.01421.52
8.2.150.0000.00924.18
8.2.140.0070.00324.66
8.2.130.0040.00426.16
8.2.120.0000.01022.25
8.2.110.0070.00322.08
8.2.100.0000.01619.03
8.2.90.0070.00320.43
8.2.80.0040.00719.05
8.2.70.0040.00718.63
8.2.60.0040.00819.05
8.2.50.0080.00318.75
8.2.40.0070.00319.95
8.2.30.0040.00719.21
8.2.20.0000.01018.96
8.2.10.0040.00719.84
8.2.00.0030.01018.78
8.1.280.0090.01625.92
8.1.270.0050.00523.66
8.1.260.0070.00326.35
8.1.250.0030.00628.09
8.1.240.0000.01123.71
8.1.230.0100.00320.13
8.1.220.0030.00718.66
8.1.210.0000.01018.77
8.1.200.0040.00818.48
8.1.190.0090.00318.66
8.1.180.0040.01119.01
8.1.170.0040.00719.76
8.1.160.0070.00323.16
8.1.150.0100.00019.70
8.1.140.0040.00718.51
8.1.130.0100.00018.97
8.1.120.0000.01018.61
8.1.110.0060.00618.52
8.1.100.0000.01218.64
8.1.90.0000.01018.61
8.1.80.0100.00018.57
8.1.70.0050.00518.55
8.1.60.0060.00618.73
8.1.50.0070.00418.71
8.1.40.0040.00718.64
8.1.30.0040.00718.77
8.1.20.0000.01018.66
8.1.10.0000.01018.71
8.1.00.0040.00718.71
8.0.300.0060.00318.96
8.0.290.0030.00718.28
8.0.280.0000.01019.60
8.0.270.0030.00618.40
8.0.260.0090.00018.46
8.0.250.0070.00318.07
8.0.240.0040.00718.06
8.0.230.0070.00317.98
8.0.220.0090.00018.08
8.0.210.0030.00718.06
8.0.200.0090.00018.16
8.0.190.0060.00618.13
8.0.180.0000.01217.95
8.0.170.0060.00617.99
8.0.160.0040.00718.09
8.0.150.0030.00718.02
8.0.140.0050.00518.02
8.0.130.0030.00514.45
8.0.120.0000.01118.00
8.0.110.0000.01018.03
8.0.100.0000.01017.95
8.0.90.0100.00017.93
8.0.80.0090.01217.91
8.0.70.0030.00718.07
8.0.60.0000.01018.05
8.0.50.0040.00717.86
8.0.30.0110.01318.18
8.0.20.0070.01818.23
8.0.10.0000.01018.19
8.0.00.0110.01418.04
7.4.330.0040.00415.02
7.4.320.0000.00917.74
7.4.300.0000.00917.66
7.4.290.0030.01017.73
7.4.280.0070.00317.65
7.4.270.0050.00517.62
7.4.260.0060.00317.53
7.4.250.0110.00017.60
7.4.240.0060.00317.66
7.4.230.0070.00317.76
7.4.220.0100.01417.77
7.4.210.0090.01417.76
7.4.200.0030.00617.64
7.4.190.0060.00317.78
7.4.160.0070.01317.65
7.4.150.0130.01017.62
7.4.140.0100.01317.86
7.4.130.0100.01317.64
7.4.120.0130.00817.66
7.4.110.0030.01917.66
7.4.100.0130.01017.55
7.4.90.0030.01817.50
7.4.80.0130.01019.39
7.4.70.0170.00317.51
7.4.60.0090.01217.62
7.4.50.0000.01217.61
7.4.40.0060.00622.77
7.4.30.0110.01117.52
7.4.00.0030.01715.93
7.3.330.0050.00514.51
7.3.320.0030.00714.27
7.3.310.0030.00717.45
7.3.300.0000.01117.48
7.3.290.0140.00517.48
7.3.280.0080.01217.53
7.3.270.0090.01517.54
7.3.260.0170.00717.84
7.3.250.0120.01317.56
7.3.240.0060.01617.44
7.3.230.0150.00917.76
7.3.210.0150.01817.67
7.3.200.0170.01419.39
7.3.190.0120.01617.54
7.3.180.0150.01217.64
7.3.170.0130.01617.52
7.3.160.0100.01017.63
7.3.120.0000.01616.29
7.3.10.0110.00716.32
7.3.00.0070.01416.28
7.2.330.0160.00617.68
7.2.320.0110.01117.38
7.2.310.0150.00617.37
7.2.300.0060.01617.56
7.2.290.0030.02017.54
7.2.130.0090.00916.68
7.2.120.0070.01616.49
7.2.110.0080.01616.58
7.2.100.0160.01316.66
7.2.90.0220.00916.86
7.2.80.0080.02316.68
7.2.70.0070.01816.93
7.2.60.0120.00616.82
7.2.50.0130.01016.61
7.2.40.0100.01016.70
7.2.30.0170.00317.04
7.2.20.0090.00916.98
7.2.10.0090.01217.05
7.2.00.0140.00818.28
7.1.250.0120.00915.59
7.1.200.0100.00715.79
7.1.100.0030.01018.19
7.1.70.0000.01417.29
7.1.60.0060.02219.46
7.1.50.0030.02416.68
7.1.00.0130.07322.36
7.0.200.0180.00415.75
7.0.140.0130.06722.22
7.0.100.0100.07720.92
7.0.90.0170.07020.92
7.0.80.0130.08020.82
7.0.70.0070.08720.80
7.0.60.0130.07720.71
7.0.50.0200.07321.22
7.0.40.0100.08020.18
7.0.30.0070.05320.05
7.0.20.0070.08720.10
7.0.10.0170.07020.07
7.0.00.0100.08720.03
5.6.280.0100.07322.33
5.6.250.0170.07722.27
5.6.240.0030.09022.22
5.6.230.0070.05722.12
5.6.220.0100.05322.02
5.6.210.0100.08722.01
5.6.200.0030.09322.50
5.6.190.0070.08322.72
5.6.180.0100.08722.52
5.6.170.0000.09322.61
5.6.160.0100.07722.63
5.6.150.0100.05322.65
5.6.140.0030.08322.68
5.6.130.0130.08722.50
5.6.120.0100.08322.64
5.6.110.0030.07322.57
5.6.100.0000.09022.66
5.6.90.0130.08322.55
5.6.80.0170.07721.86
5.6.70.0070.09321.86
5.6.60.0100.08021.93
5.6.50.0100.08721.94
5.6.40.0100.08721.95
5.6.30.0070.08721.85
5.6.20.0100.08321.99
5.6.10.0070.08321.92
5.6.00.0000.06322.00
5.5.380.0070.08721.90
5.5.370.0100.09322.00
5.5.360.0100.07721.99
5.5.350.0070.08722.00
5.5.340.0100.05022.29
5.5.330.0130.08722.42
5.5.320.0130.08322.31
5.5.310.0130.08322.36
5.5.300.0070.07022.38
5.5.290.0100.09322.31
5.5.280.0070.08022.35
5.5.270.0070.08322.32
5.5.260.0000.09322.30
5.5.250.0130.06322.09
5.5.240.0100.08321.71
5.5.230.0100.08321.77
5.5.220.0070.09021.80
5.5.210.0100.09021.75
5.5.200.0130.07721.68
5.5.190.0030.09021.70
5.5.180.0170.06721.83
5.5.160.0030.09021.81
5.5.150.0070.09021.73
5.5.140.0130.07721.79
5.5.130.0130.07721.64
5.5.120.0200.07321.73
5.5.110.0070.09021.72
5.5.100.0130.08021.67
5.5.90.0100.08321.72
5.5.80.0130.07721.64
5.5.70.0070.08021.64
5.5.60.0030.06021.70
5.5.50.0070.08321.61
5.5.40.0100.07721.71
5.5.30.0070.06021.54
5.5.20.0100.07321.61
5.5.10.0070.08321.59
5.5.00.0070.09321.66
5.4.450.0100.08020.85
5.4.440.0070.07720.91
5.4.430.0130.07320.92
5.4.420.0070.09021.04
5.4.410.0030.08720.66
5.4.400.0130.07320.44
5.4.390.0000.08320.49
5.4.380.0070.08320.60
5.4.370.0130.08320.38
5.4.360.0070.08720.48
5.4.350.0030.05020.55
5.4.340.0070.08020.60
5.4.320.0070.07720.34
5.4.310.0030.08320.67
5.4.300.0070.08320.50
5.4.290.0030.06020.37
5.4.280.0070.04320.34
5.4.270.0100.07720.57
5.4.260.0070.08320.68
5.4.250.0100.04720.65
5.4.240.0100.06320.70
5.4.230.0030.08320.53
5.4.220.0030.08720.48
5.4.210.0130.08020.49
5.4.200.0170.07020.54
5.4.190.0100.08020.51
5.4.180.0130.07320.56
5.4.170.0100.08720.50
5.4.160.0070.08020.58
5.4.150.0030.06720.50
5.4.140.0170.07017.94
5.4.130.0130.07017.98
5.4.120.0070.06017.76
5.4.110.0030.08018.00
5.4.100.0030.08017.82
5.4.90.0100.08017.84
5.4.80.0070.08017.94
5.4.70.0070.08317.95
5.4.60.0070.08017.79
5.4.50.0000.08017.85
5.4.40.0100.07017.74
5.4.30.0070.07317.81
5.4.20.0200.07017.92
5.4.10.0070.08717.79
5.4.00.0030.08317.38
5.3.290.0070.05316.04
5.3.280.0070.08715.89
5.3.270.0100.08015.95
5.3.260.0070.08315.99
5.3.250.0030.08715.86
5.3.240.0070.07315.97
5.3.230.0070.08716.06
5.3.220.0100.08015.91
5.3.210.0070.07316.03
5.3.200.0130.07315.95
5.3.190.0100.07715.86
5.3.180.0130.08015.95
5.3.170.0130.08015.91
5.3.160.0030.09015.98
5.3.150.0070.08015.96
5.3.140.0170.07315.97
5.3.130.0000.08015.88
5.3.120.0030.05715.88
5.3.110.0000.09015.80
5.3.100.0200.07315.65
5.3.90.0000.09315.37
5.3.80.0130.07315.24
5.3.70.0130.07315.34
5.3.60.0030.04715.26
5.3.50.0100.07315.14
5.3.40.0000.08315.16
5.3.30.0000.06315.19
5.3.20.0100.06015.02
5.3.10.0030.08014.97
5.3.00.0100.08314.88
5.2.170.0031.54712.14
5.2.160.0771.27312.20
5.2.150.0031.37312.19
5.2.140.0071.36012.04
5.2.130.0001.34312.13
5.2.120.0031.33712.07
5.2.110.0101.31712.13
5.2.100.0031.35012.22
5.2.90.0031.19312.16
5.2.80.0101.30312.18
5.2.70.0071.34012.09
5.2.60.0101.32312.02
5.2.50.0001.35311.86
5.2.40.0031.29011.94
5.2.30.0001.19311.95
5.2.20.0071.32312.48
5.2.10.0031.26311.98
5.2.00.0031.20711.64
5.1.60.0031.58711.68
5.1.50.0101.64311.73
5.1.40.0071.63011.53
5.1.30.0101.65712.14
5.1.20.0101.62712.14
5.1.10.0001.60711.80
5.1.00.0071.63311.73
5.0.50.0001.64010.27
5.0.40.0031.64310.16
5.0.30.0000.0479.80
5.0.20.0130.0439.90
5.0.10.0000.0609.93
5.0.00.0070.0439.93
4.4.90.0000.0238.31
4.4.80.0000.0378.12
4.4.70.0000.0178.12
4.4.60.0000.0138.12
4.4.50.0000.0178.12
4.4.40.0000.0578.12
4.4.30.0000.0378.12
4.4.20.0000.0378.12
4.4.10.0000.0408.12
4.4.00.0030.0538.12
4.3.110.0030.0308.12
4.3.100.0000.0338.12
4.3.90.0030.0338.12
4.3.80.0030.0508.12
4.3.70.0000.0378.12
4.3.60.0000.0338.12
4.3.50.0030.0338.12
4.3.40.0000.0508.12
4.3.30.0030.0138.12
4.3.20.0030.0278.12
4.3.10.0000.0238.12
4.3.00.0030.0308.12

preferences:
41.99 ms | 401 KiB | 5 Q