3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('KEYS', 1000); $a = array(); function fill(&$arr) { for ($i = 1; $i <= 10; $i++) { $arr['key-' . $i] = $i; } } function read_key(&$arr) { for ($i = 1; $i <= KEYS; $i++) { for ($j = 1; $j <= 10; $i++) { //$v = $arr['key-' . $i]; } } } function for_each(&$arr) { for ($i = 1; $i <= 1000; $i++) { foreach ($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)
8.3.60.0070.01416.63
8.3.50.0090.01121.95
8.3.40.0160.00618.85
8.3.30.0140.00719.09
8.3.20.0140.00420.25
8.3.10.0100.00723.53
8.3.00.0080.00019.38
8.2.180.0070.01118.15
8.2.170.0040.01122.96
8.2.160.0140.00720.52
8.2.150.0090.00924.18
8.2.140.0070.01124.66
8.2.130.0090.00626.16
8.2.120.0000.00722.23
8.2.110.0070.00320.93
8.2.100.0080.00417.78
8.2.90.0070.00317.63
8.2.80.0040.00418.73
8.2.70.0030.00518.16
8.2.60.0040.00417.93
8.2.50.0070.00318.10
8.2.40.0000.00820.57
8.2.30.0040.00418.06
8.2.20.0030.00517.81
8.2.10.0000.00818.14
8.2.00.0030.00717.80
8.1.280.0110.00725.92
8.1.270.0000.00823.77
8.1.260.0110.01126.35
8.1.250.0040.00428.09
8.1.240.0110.00017.50
8.1.230.0090.00317.95
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0000.00917.35
8.1.190.0040.00417.23
8.1.180.0050.00318.10
8.1.170.0060.00318.52
8.1.160.0050.00222.07
8.1.150.0030.00618.54
8.1.140.0000.00817.37
8.1.130.0030.00317.84
8.1.120.0000.00717.39
8.1.110.0000.00917.42
8.1.100.0000.00717.36
8.1.90.0000.00717.44
8.1.80.0040.00417.34
8.1.70.0040.00417.42
8.1.60.0060.00317.47
8.1.50.0030.00517.50
8.1.40.0040.00417.48
8.1.30.0040.00417.64
8.1.20.0040.00417.59
8.1.10.0050.00317.44
8.1.00.0040.00417.58
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00718.49
8.0.270.0030.00317.26
8.0.260.0000.00617.11
8.0.250.0030.00316.98
8.0.240.0030.00616.89
8.0.230.0070.00016.87
8.0.220.0030.00316.90
8.0.210.0060.00016.76
8.0.200.0000.00716.85
8.0.190.0040.00416.86
8.0.180.0050.00316.87
8.0.170.0030.00516.96
8.0.160.0040.00416.96
8.0.150.0040.00416.82
8.0.140.0030.00616.89
8.0.130.0030.00313.27
8.0.120.0000.00816.87
8.0.110.0040.00416.87
8.0.100.0030.00716.74
8.0.90.0000.00716.93
8.0.80.0070.01016.95
8.0.70.0080.00016.77
8.0.60.0040.00416.73
8.0.50.0000.00816.93
8.0.30.0100.00917.05
8.0.20.0090.00917.40
8.0.10.0000.00816.88
8.0.00.0110.00716.79
7.4.330.0030.00315.00
7.4.320.0040.00416.50
7.4.300.0030.00316.59
7.4.290.0070.00016.50
7.4.280.0050.00216.59
7.4.270.0000.00716.60
7.4.260.0050.00316.44
7.4.250.0060.00316.56
7.4.240.0050.00216.50
7.4.230.0000.00716.34
7.4.220.0150.00416.52
7.4.210.0050.01316.59
7.4.200.0030.00316.52
7.4.190.0030.00416.40
7.4.160.0080.00816.71
7.4.150.0170.00317.40
7.4.140.0080.01017.86
7.4.130.0100.00816.47
7.4.120.0080.00816.43
7.4.110.0110.00716.59
7.4.100.0140.00716.54
7.4.90.0150.00616.46
7.4.80.0140.00719.39
7.4.70.0120.00916.54
7.4.60.0130.01016.47
7.4.50.0000.00916.36
7.4.40.0070.01122.77
7.4.30.0000.01716.48
7.4.00.0040.01314.98
7.3.330.0080.00013.35
7.3.320.0050.00013.16
7.3.310.0000.00716.44
7.3.300.0000.00716.37
7.3.290.0030.01316.34
7.3.280.0090.00816.34
7.3.270.0140.00317.40
7.3.260.0120.00616.46
7.3.250.0140.00716.49
7.3.240.0130.00916.36
7.3.230.0060.01616.39
7.3.210.0130.00316.58
7.3.200.0070.01319.39
7.3.190.0110.00616.36
7.3.180.0080.00816.38
7.3.170.0160.00016.44
7.3.160.0080.00816.48
7.3.120.0070.00815.01
7.3.110.0070.01115.09
7.3.100.0070.00715.04
7.3.90.0060.01214.63
7.3.80.0070.01014.68
7.3.70.0050.00614.71
7.3.60.0070.00714.95
7.3.50.0040.01114.84
7.3.40.0110.00414.65
7.3.30.0090.00614.90
7.3.20.0120.00416.43
7.3.10.0070.01016.74
7.3.00.0090.00616.62
7.2.330.0090.00916.42
7.2.320.0060.01316.67
7.2.310.0030.01416.75
7.2.300.0130.01016.64
7.2.290.0120.01016.64
7.2.250.0030.01715.30
7.2.240.0100.01014.90
7.2.230.0030.01314.95
7.2.220.0100.00714.95
7.2.210.0090.00914.82
7.2.200.0030.00715.03
7.2.190.0060.00915.13
7.2.180.0090.00314.88
7.2.170.0030.01315.04
7.1.330.0070.00715.59
7.1.320.0000.01315.91
7.1.310.0100.00715.85
7.1.300.0100.00315.79
7.1.290.0040.01115.81
7.1.280.0040.01215.77
7.1.270.0070.00315.80
7.1.260.0140.00015.91
7.1.100.0030.01018.32
7.1.70.0090.00017.22
7.1.60.0070.01819.46
7.1.50.0100.01016.89
7.1.00.0030.07722.57
7.0.200.0660.00414.88
7.0.140.0030.07322.02
7.0.60.0070.06319.93
7.0.50.0070.08017.98
7.0.40.0070.08320.11
7.0.30.0500.04720.14
7.0.20.0270.05720.10
7.0.10.0030.04320.12
7.0.00.0030.05720.30
5.6.210.0030.08320.67
5.6.200.0070.04018.14
5.6.190.0100.04020.68
5.6.180.0230.07720.55
5.6.170.0230.03320.57
5.6.160.0070.08320.55
5.6.150.0030.06718.14
5.6.140.0000.09018.11
5.6.130.0100.08718.29
5.6.120.0170.06720.97
5.6.110.0070.09021.13
5.6.100.0130.07720.97
5.6.90.0070.08320.98
5.6.80.0000.06720.52
5.6.70.4430.03720.38
5.5.350.0030.08320.33
5.5.340.0200.04717.99
5.5.330.0070.04320.46
5.5.320.0130.07720.27
5.5.310.0270.04320.30
5.5.300.0000.07018.04
5.5.290.0000.05317.98
5.5.280.0030.04720.78
5.5.270.0030.05720.80
5.5.260.0070.05320.90
5.5.250.0000.06020.62
5.5.240.0170.07720.27
5.4.450.0770.04719.46
5.4.440.0700.05319.16
5.4.430.0330.07019.36
5.4.420.0770.06019.57
5.4.410.0930.06019.34
5.4.400.0700.05018.84
5.4.390.0670.06719.23
5.4.380.0270.05718.57
5.4.370.0370.05018.78
5.4.360.0500.05318.80
5.4.350.0400.06718.53
5.4.340.0330.05718.75
5.4.320.0070.03512.50
5.4.310.0100.04212.50
5.4.300.0060.03912.51
5.4.290.0190.08312.49
5.4.280.0080.03712.39
5.4.270.0050.04012.39
5.4.260.0070.04012.39
5.4.250.0090.03912.39
5.4.240.0120.04012.39
5.4.230.0080.04112.38
5.4.220.0170.03012.38
5.4.210.0100.05412.38
5.4.200.0080.04012.38
5.4.190.0070.04312.38
5.4.180.0090.05412.37
5.4.170.0070.04012.39
5.4.160.0090.05212.38
5.4.150.0090.05512.38
5.4.140.0100.07112.06
5.4.130.0070.07112.05
5.4.120.0090.05112.01
5.4.110.0080.04612.00
5.4.100.0090.03812.00
5.4.90.0080.03712.00
5.4.80.0120.03212.00
5.4.70.0070.03912.00
5.4.60.0140.07512.00
5.4.50.0130.05111.99
5.4.40.0100.05611.98
5.4.30.0080.04411.98
5.4.20.0130.06211.98
5.4.10.0200.07611.98
5.4.00.0160.09711.46
5.3.290.0060.04712.80
5.3.280.0070.04912.70
5.3.270.0200.05412.72
5.3.260.0160.08712.72
5.3.250.0060.06312.72
5.3.240.0070.03912.72
5.3.230.0090.04712.71
5.3.220.0110.04112.68
5.3.210.0090.03812.68
5.3.200.0080.04512.68
5.3.190.0100.05412.67
5.3.180.0070.05212.67
5.3.170.0130.04112.67
5.3.160.0110.03712.67
5.3.150.0120.05212.67
5.3.140.0090.04512.66
5.3.130.0070.06012.66
5.3.120.0060.04312.65
5.3.110.0070.04012.66
5.3.100.0060.03912.13
5.3.90.0050.04212.11
5.3.80.0170.07012.10
5.3.70.0100.05512.10
5.3.60.0120.04712.09
5.3.50.0100.03612.03
5.3.40.0080.04112.04
5.3.30.0080.04111.99
5.3.20.0050.04511.78
5.3.10.0080.03911.73
5.3.00.0030.04611.72
5.2.170.0080.0349.23
5.2.160.0070.0339.23
5.2.150.0110.0369.23
5.2.140.0060.0339.23
5.2.130.0060.0339.19
5.2.120.0080.0479.19
5.2.110.0120.0379.20
5.2.100.0130.0439.19
5.2.90.0030.0339.18
5.2.80.0070.0339.18
5.2.70.0060.0319.18
5.2.60.0080.0359.14
5.2.50.0040.0399.11
5.2.40.0080.0499.09
5.2.30.0050.0319.05
5.2.20.0110.0399.04
5.2.10.0090.0538.95
5.2.00.0040.0358.81
5.1.60.0050.0338.10
5.1.50.0170.0898.09
5.1.40.0110.0758.07
5.1.30.0080.0368.42
5.1.20.0050.0318.45
5.1.10.0030.0328.17
5.1.00.0120.0448.18
5.0.50.0060.0306.64
5.0.40.0070.0266.51
5.0.30.0040.0436.32
5.0.20.0060.0246.29
5.0.10.0020.0316.26
5.0.00.0070.0516.26
4.4.90.0050.0264.78
4.4.80.0040.0194.76
4.4.70.0060.0264.75
4.4.60.0050.0264.75
4.4.50.0040.0294.77
4.4.40.0060.0404.71
4.4.30.0040.0324.76
4.4.20.0060.0344.84
4.4.10.0050.0184.85
4.4.00.0050.0394.75
4.3.110.0050.0294.67
4.3.100.0100.0304.66
4.3.90.0030.0264.63
4.3.80.0050.0384.59
4.3.70.0080.0274.63
4.3.60.0040.0284.63
4.3.50.0050.0274.63
4.3.40.0050.0274.54
4.3.30.0030.0273.31
4.3.20.0020.0213.29
4.3.10.0060.0243.25
4.3.00.0100.01713.47

preferences:
41.12 ms | 401 KiB | 5 Q