3v4l.org

run code in 300+ PHP versions simultaneously
<?php $assocArray = []; for ($i=0; $i < 1000000; ++$i) { $assocArray['key' . $i] = 'hi ' . $i; } foreach ($assocArray as $key => $val) { $tmp = $val; }

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)
8.3.60.0790.08376.52
8.3.50.0690.07676.68
8.3.40.0500.03348.27
8.3.30.0200.06048.45
8.3.20.0320.01349.50
8.3.10.0230.02648.52
8.3.00.0190.02647.29
8.2.180.0940.08076.32
8.2.170.0440.04448.38
8.2.160.0440.05148.43
8.2.150.0170.02748.35
8.2.140.0330.01349.27
8.2.130.0290.01649.72
8.2.120.0170.02448.97
8.2.110.0140.03050.06
8.2.100.0370.03747.27
8.2.90.0160.05247.06
8.2.80.0190.03547.28
8.2.70.0240.03047.25
8.2.60.0090.04447.43
8.2.50.0240.03147.23
8.2.40.0100.04247.46
8.2.30.0100.05448.62
8.2.20.0100.04346.78
8.2.10.0140.03847.20
8.2.00.0070.05246.92
8.1.280.0360.08377.84
8.1.270.0260.02051.79
8.1.260.0290.02049.71
8.1.250.0260.02351.26
8.1.240.0270.02750.46
8.1.230.0330.05048.46
8.1.220.0030.04846.88
8.1.210.0100.04346.88
8.1.200.0240.05246.46
8.1.190.0230.04144.80
8.1.180.0230.03746.74
8.1.170.0070.04447.80
8.1.160.0170.03451.02
8.1.150.0140.04247.99
8.1.140.0190.03546.51
8.1.130.0140.03846.91
8.1.120.0190.03546.57
8.1.110.0130.03946.44
8.1.100.0160.03646.57
8.1.90.0130.04546.44
8.1.80.0140.04146.46
8.1.70.0210.03146.45
8.1.60.0200.04346.70
8.1.50.0330.03046.52
8.1.40.0130.04946.49
8.1.30.0120.04646.68
8.1.20.0170.04346.58
8.1.10.0300.08677.39
8.1.00.0330.07977.53
8.0.300.0270.07779.43
8.0.290.0270.07876.58
8.0.280.0270.07278.22
8.0.270.0540.07177.05
8.0.260.0330.06977.04
8.0.250.0200.07976.79
8.0.240.0300.07476.71
8.0.230.0290.07276.74
8.0.220.0400.06676.55
8.0.210.0530.07976.79
8.0.200.0230.08276.79
8.0.190.0270.09476.75
8.0.180.0420.06976.72
8.0.170.0300.08376.75
8.0.160.0550.07276.83
8.0.150.0260.08876.66
8.0.140.0370.08476.61
8.0.130.0640.184128.09
8.0.120.0230.09376.61
8.0.110.0170.09476.75
8.0.100.0330.07676.79
8.0.90.0200.09476.61
8.0.80.0880.13576.56
8.0.70.0300.08376.63
8.0.60.0300.08276.45
8.0.50.0270.08176.64
8.0.30.0660.14676.88
8.0.20.0720.14777.09
8.0.10.0400.09376.76
8.0.00.0780.14476.55
7.4.330.0420.06273.47
7.4.320.0400.06476.25
7.4.300.0270.07676.15
7.4.290.0400.08176.31
7.4.280.0340.09476.32
7.4.270.0230.08976.16
7.4.260.0370.07776.21
7.4.250.0200.09976.10
7.4.240.0320.07876.20
7.4.230.0140.09676.36
7.4.220.1580.18176.14
7.4.210.0650.12476.26
7.4.200.0390.07276.33
7.4.160.0810.15576.25
7.4.150.0980.13876.20
7.4.140.0980.16576.21
7.4.130.0720.14176.38
7.4.120.0870.12076.36
7.4.110.0660.13576.25
7.4.100.0780.16776.41
7.4.90.0760.13976.36
7.4.80.1000.18476.29
7.4.70.0920.18876.20
7.4.60.0780.22976.38
7.4.50.0200.08176.29
7.4.40.0690.13576.30
7.4.30.0830.13076.26
7.4.00.0330.14874.70
7.3.330.0500.208128.02
7.3.320.0540.204128.11
7.3.310.0300.08176.26
7.3.300.0300.07676.03
7.3.290.0750.12576.21
7.3.280.0610.17976.13
7.3.270.0760.20076.07
7.3.260.0780.15876.43
7.3.250.0890.15976.33
7.3.240.0590.16476.09
7.3.230.0730.14276.42
7.3.210.0880.13176.22
7.3.200.1010.18176.20
7.3.190.0950.12776.41
7.3.180.0920.12276.03
7.3.170.0900.18676.19
7.3.160.0890.17876.19
7.2.330.0750.14274.41
7.2.320.0970.12474.54
7.2.310.1050.21474.59
7.2.300.0720.17074.22
7.2.290.0880.13174.44
7.2.60.1680.08974.74
7.2.00.5000.12677.25
7.1.200.2790.09673.84
7.1.100.0320.02636.65
7.1.70.0470.10375.13
7.1.60.0170.14275.42
7.1.50.0100.09075.04
7.1.00.0070.19380.36
7.0.201.2550.09673.35
7.0.140.0070.19080.04
7.0.60.0270.17777.86
7.0.50.0330.17775.55
7.0.40.0130.15337.62
7.0.30.1200.15037.50
7.0.20.0700.17337.64
7.0.10.0130.19737.49
7.0.00.0230.13037.56
5.6.280.0200.24085.73
5.6.210.0170.17085.34
5.6.200.0430.20382.71
5.6.190.0270.20784.92
5.6.180.0630.20384.95
5.6.170.0430.22784.96
5.6.160.0100.23385.01
5.6.150.0300.21382.66
5.6.140.0400.21782.76
5.6.130.0230.17382.76
5.6.120.0400.22085.43
5.6.110.0370.20085.64
5.6.100.0370.22785.73
5.6.90.0300.24385.59
5.6.80.0430.18384.91
5.5.350.0500.21385.04
5.5.340.0200.17382.37
5.5.330.0230.23384.79
5.5.320.0430.16384.80
5.5.310.0430.15784.52
5.5.300.0130.16782.48
5.5.290.0370.21082.54
5.5.280.0600.18385.50
5.5.270.0330.21085.52
5.5.260.0500.20385.39
5.5.250.0630.19785.13
5.5.240.0300.14384.89
5.4.450.0370.24083.95
5.4.440.0830.27083.77
5.4.430.1070.27083.70
5.4.420.0800.29383.88
5.4.410.1230.33783.61
5.4.400.1100.24383.72
5.4.390.1430.23383.56
5.4.380.1000.32083.08
5.4.370.0730.35083.25
5.4.360.0830.33783.18
5.4.350.1130.38383.22
5.4.340.1070.30783.21
5.4.320.0190.21577.09
5.4.310.0280.19577.08
5.4.300.0200.19877.09
5.4.290.0310.21277.08
5.4.280.0290.22776.98
5.4.270.0270.20076.98
5.4.260.0330.19176.98
5.4.250.0220.21076.98
5.4.240.0260.19976.98
5.4.230.0220.20176.97
5.4.220.0200.21276.97
5.4.210.0320.20776.97
5.4.200.0330.19776.97
5.4.190.0290.20676.95
5.4.180.0230.21076.97
5.4.170.0220.21476.98
5.4.160.0270.20676.98
5.4.150.0290.19776.97
5.4.140.0250.21476.65
5.4.130.0300.19476.64
5.4.120.0290.24276.60
5.4.110.0330.20076.59
5.4.100.0280.20476.60
5.4.90.0230.22176.59
5.4.80.0280.21976.60
5.4.70.0320.20076.59
5.4.60.0290.20276.59
5.4.50.0260.19576.59
5.4.40.0310.20476.58
5.4.30.0310.20076.58
5.4.20.0250.20176.58
5.4.10.0270.19176.58
5.4.00.0240.21476.07
5.3.290.0060.04912.80
5.3.280.0070.04712.71
5.3.270.0090.04112.72
5.3.260.0060.04512.72
5.3.250.0070.04212.72
5.3.240.0060.04012.72
5.3.230.0100.04212.71
5.3.220.0100.03812.68
5.3.210.0100.03712.68
5.3.200.0090.03512.68
5.3.190.0080.03912.68
5.3.180.0110.03912.67
5.3.170.0030.03912.67
5.3.160.0120.03712.68
5.3.150.0060.04712.67
5.3.140.0060.04212.66
5.3.130.0080.03612.66
5.3.120.0090.03912.66
5.3.110.0100.04412.66
5.3.100.0050.04212.12
5.3.90.0100.04212.08
5.3.80.0090.05012.07
5.3.70.0100.03312.08
5.3.60.0110.03812.06
5.3.50.0100.03612.00
5.3.40.0080.04412.00
5.3.30.0080.04011.95
5.3.20.0080.03911.73
5.3.10.0070.03911.70
5.3.00.0060.03811.68
5.2.170.0030.0399.18
5.2.160.0070.0349.18
5.2.150.0050.0319.18
5.2.140.0050.0359.18
5.2.130.0060.0349.14
5.2.120.0030.0309.14
5.2.110.0040.0329.15
5.2.100.0050.0369.14
5.2.90.0080.0349.14
5.2.80.0080.0309.14
5.2.70.0050.0299.14
5.2.60.0060.0339.09
5.2.50.0070.0349.06
5.2.40.0090.0279.04
5.2.30.0060.0339.02
5.2.20.0070.0349.00
5.2.10.0040.0298.93
5.2.00.0050.0298.78
5.1.60.0040.0238.07
5.1.50.0070.0228.06
5.1.40.0060.0308.05
5.1.30.0060.0278.39
5.1.20.0030.0308.42
5.1.10.0060.0338.14
5.1.00.0060.0278.14
5.0.50.0060.0246.63
5.0.40.0060.0186.47
5.0.30.0040.0306.30
5.0.20.0040.0186.27
5.0.10.0040.0226.24
5.0.00.0040.0376.23
4.4.90.0050.0154.78
4.4.80.0020.0194.75
4.4.70.0020.0184.76
4.4.60.0030.0184.76
4.4.50.0040.0164.77
4.4.40.0020.0274.70
4.4.30.0060.0164.76
4.4.20.0040.0174.85
4.4.10.0030.0244.85
4.4.00.0030.0344.76
4.3.110.0020.0174.67
4.3.100.0030.0194.67
4.3.90.0030.0154.63
4.3.80.0010.0264.59
4.3.70.0060.0184.63
4.3.60.0020.0154.63
4.3.50.0030.0154.63
4.3.40.0020.0254.54
4.3.30.0020.0163.29
4.3.20.0030.0153.26
4.3.10.0010.0173.22
4.3.00.0030.02013.92

preferences:
37.18 ms | 401 KiB | 5 Q