3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(); for($i = 0; $i < 1000; $i++) { $array[] = $array; } $array2 =& $array; for($i = 0; $i < 1000; $i++) { $array2[] = $array; }

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)
8.3.60.0220.01266.36
8.3.50.0450.02251.96
8.3.40.0230.01737.59
8.3.30.0220.01437.57
8.3.20.0180.00037.60
8.3.10.0160.00337.96
8.3.00.0030.01245.07
8.2.180.0480.01751.53
8.2.170.0240.01337.70
8.2.160.0220.00939.14
8.2.150.0160.00337.64
8.2.140.0130.00738.97
8.2.130.0080.00450.18
8.2.120.0090.00348.35
8.2.110.0100.01339.95
8.2.100.0230.00336.66
8.2.90.0070.01037.90
8.2.80.0070.01036.78
8.2.70.0130.00336.25
8.2.60.0070.01136.78
8.2.50.0100.00736.79
8.2.40.0100.00737.09
8.2.30.0070.00746.22
8.2.20.0140.00336.41
8.2.10.0100.00636.19
8.2.00.0060.01036.30
8.1.280.0340.01762.47
8.1.270.0270.00742.32
8.1.260.0070.00747.74
8.1.250.0170.00044.95
8.1.240.0150.00347.60
8.1.230.0230.00340.90
8.1.220.0140.00337.68
8.1.210.0130.00338.86
8.1.200.0140.00337.23
8.1.190.0100.00739.88
8.1.180.0120.00637.53
8.1.170.0110.00638.53
8.1.160.0030.01438.89
8.1.150.0150.00638.65
8.1.140.0160.00037.51
8.1.130.0030.01237.82
8.1.120.0080.00837.41
8.1.110.0080.00837.31
8.1.100.0130.00337.36
8.1.90.0110.00437.50
8.1.80.0120.00437.45
8.1.70.0100.00637.36
8.1.60.0110.00737.53
8.1.50.0070.01037.46
8.1.40.0140.00737.49
8.1.30.0070.01037.68
8.1.20.0040.01337.65
8.1.10.0140.01159.41
8.1.00.0140.01459.23
8.0.300.0140.01161.95
8.0.290.0150.01159.04
8.0.280.0180.00660.36
8.0.270.0280.00959.02
8.0.260.0130.01358.70
8.0.250.0200.01058.80
8.0.240.0390.00058.82
8.0.230.0100.01458.71
8.0.220.0260.01058.70
8.0.210.0320.00658.68
8.0.200.0170.00758.73
8.0.190.0170.01058.55
8.0.180.0170.01058.67
8.0.170.0270.00058.68
8.0.160.0190.00758.57
8.0.150.0240.01058.66
8.0.140.0470.00358.66
8.0.130.0300.00778.43
8.0.120.0070.01858.66
8.0.110.0160.01058.63
8.0.100.0200.00758.48
8.0.90.0100.01758.50
8.0.80.0260.05058.60
8.0.70.0130.01358.64
8.0.60.0170.01058.62
8.0.50.0230.00758.66
8.0.30.0510.02058.83
8.0.20.0620.02558.85
8.0.10.0160.01058.74
8.0.00.0540.02258.53
7.4.330.0120.00664.54
7.4.320.0120.01258.32
7.4.300.0170.00758.29
7.4.290.0200.00758.19
7.4.280.0130.01058.23
7.4.270.0210.00758.36
7.4.260.0250.01178.46
7.4.250.0140.01158.20
7.4.240.0160.00958.31
7.4.230.0160.00758.17
7.4.220.0580.02658.13
7.4.210.0360.03158.27
7.4.200.0190.00658.27
7.4.190.0160.00758.47
7.4.160.0280.04258.38
7.4.150.0360.03358.43
7.4.140.0470.03058.28
7.4.130.0560.02158.24
7.4.120.0510.01858.28
7.4.110.0440.02258.37
7.4.100.0550.03658.23
7.4.90.0490.02158.32
7.4.80.0370.03458.43
7.4.70.0390.03058.40
7.4.60.0530.02758.36
7.4.50.0260.00458.32
7.4.40.0390.00758.34
7.4.30.0490.01758.14
7.4.00.0350.01056.70
7.3.330.0200.01078.29
7.3.320.0190.01678.13
7.3.310.0160.01058.02
7.3.300.0200.00358.06
7.3.290.0460.01458.05
7.3.280.0430.01858.12
7.3.270.0450.02658.07
7.3.260.0480.04058.18
7.3.250.0510.01858.39
7.3.240.0430.02358.16
7.3.230.0470.03358.30
7.3.210.0560.01358.27
7.3.200.0490.02058.09
7.3.190.0350.03258.16
7.3.180.0600.01458.14
7.3.170.0440.02758.31
7.3.160.0410.02458.19
7.3.120.0210.02156.68
7.2.330.0650.03858.22
7.2.320.0470.02458.59
7.2.310.0650.02958.45
7.2.300.0490.01958.58
7.2.290.0590.01358.30
7.2.60.1460.01078.95
7.1.200.1250.00777.79
7.1.100.0990.00726.62
7.1.70.0100.01078.94
7.1.60.0130.03979.17
7.1.50.0380.02896.63
7.1.00.0170.08084.45
7.0.201.2390.00766.32
7.0.140.0070.08784.09
7.0.80.9070.04061.89
7.0.71.0430.06362.07
7.0.61.0770.04761.91
7.0.50.8800.05362.32
7.0.40.0230.08320.04
7.0.30.0130.08020.13
7.0.20.0200.08320.07
7.0.10.0330.07720.09
7.0.00.0100.09020.10
5.6.280.0170.11785.82
5.6.230.0130.11785.27
5.6.220.0270.11085.24
5.6.210.0300.09785.47
5.6.200.0230.07385.72
5.6.190.0230.12085.78
5.6.180.0370.11385.66
5.6.170.0300.12385.74
5.6.160.0300.07385.81
5.6.150.0300.13085.74
5.6.140.0200.07085.76
5.6.130.0330.06085.76
5.6.120.0370.11085.75
5.6.110.0330.10385.64
5.6.100.0270.09385.75
5.6.90.0330.10385.61
5.6.80.0200.05385.10
5.6.70.0400.11085.13
5.6.60.0270.11085.10
5.6.50.0230.11785.11
5.6.40.0370.10385.16
5.6.30.0200.12385.08
5.6.20.0130.11385.18
5.6.10.0230.14385.07
5.6.00.0200.11385.06
5.5.370.0230.09385.16
5.5.360.0130.10385.05
5.5.350.0370.11385.12
5.5.340.0070.07085.52
5.5.330.0330.05385.62
5.5.320.0300.11385.57
5.5.310.0270.06785.55
5.5.300.0370.11085.53
5.5.290.0300.09785.55
5.5.280.0370.10785.43
5.5.270.0130.08785.59
5.5.260.0370.09385.42
5.5.250.0430.11085.41
5.5.240.0200.04784.86
5.5.230.0370.10784.92
5.5.220.0230.11784.80
5.5.210.0330.11784.84
5.5.200.0330.09084.98
5.5.190.0300.10084.93
5.5.180.0200.10084.81
5.5.160.0270.13084.93
5.5.150.0270.12784.80
5.5.140.0330.10384.95
5.5.130.0230.12784.90
5.5.120.0130.16384.79
5.5.110.0270.10084.84
5.5.100.0170.09084.83
5.5.90.0330.14384.74
5.5.80.0330.10384.85
5.5.70.0130.08784.63
5.5.60.0200.12384.84
5.5.50.0470.12384.84
5.5.40.0400.11384.74
5.5.30.0330.13384.75
5.5.20.0270.12084.65
5.5.10.0230.15084.75
5.5.00.0330.14084.80
5.4.450.0300.07784.08
5.4.440.0170.07783.75
5.4.430.0270.08784.00
5.4.420.0370.09083.86
5.4.410.0300.11383.65
5.4.400.0200.06383.63
5.4.390.0300.07383.75
5.4.380.0470.07383.66
5.4.370.0200.06783.73
5.4.360.0400.05083.68
5.4.350.0300.05783.67
5.4.340.0330.11383.78
5.4.320.0330.13083.78
5.4.310.0330.12383.58
5.4.300.0230.13383.63
5.4.290.0370.08383.53
5.4.280.0300.14383.78
5.4.270.0200.14083.72
5.4.260.0270.14083.67
5.4.250.0500.12083.45
5.4.240.0200.08083.67
5.4.230.0130.12783.64
5.4.220.0200.12083.71
5.4.210.0370.12783.62
5.4.200.0170.09383.45
5.4.190.0370.07083.74
5.4.180.0270.14083.41
5.4.170.0300.14783.71
5.4.160.0270.13783.57
5.4.150.0270.08383.75
5.4.140.0130.13780.88
5.4.130.0200.08380.98
5.4.120.0200.08080.96
5.4.110.0470.12380.95
5.4.100.0470.11080.89
5.4.90.0430.12380.95
5.4.80.0100.09081.09
5.4.70.0300.13781.00
5.4.60.0400.11081.05
5.4.50.0470.12080.95
5.4.40.0330.13380.89
5.4.30.0500.10380.88
5.4.20.0230.08381.05
5.4.10.0330.12781.00
5.4.00.0200.15380.44
5.3.290.0530.11777.96
5.3.280.0530.17378.00
5.3.270.0400.14078.12
5.3.260.0470.14378.20
5.3.250.0470.13078.12
5.3.240.0330.15078.07
5.3.230.0370.14378.09
5.3.220.0530.20377.85
5.3.210.0670.14378.03
5.3.200.0430.15777.89
5.3.190.0800.19378.08
5.3.180.0400.13778.07
5.3.170.0370.14777.99
5.3.160.0570.13777.89
5.3.150.0400.15778.01
5.3.140.0400.14377.84
5.3.130.0330.15378.07
5.3.120.0630.18778.04
5.3.110.0570.17377.84
5.3.100.0370.14377.32
5.3.90.0330.14777.46
5.3.80.0470.14777.43
5.3.70.0530.19777.52
5.3.60.0800.16077.50
5.3.50.0500.13377.38
5.3.40.1070.20777.46
5.3.30.0370.11377.08
5.3.20.0130.13776.92
5.3.10.0200.14076.82
5.3.00.0230.09076.87
5.2.170.0200.08774.71
5.2.160.0230.09774.78
5.2.150.0430.09074.83
5.2.140.0300.11074.78
5.2.130.0100.10374.63
5.2.120.0470.08374.64
5.2.110.0370.07074.64
5.2.100.0300.04774.75
5.2.90.0170.06774.58
5.2.80.0100.06774.72
5.2.70.0300.07075.60
5.2.60.0270.10774.68
5.2.50.0330.11374.57
5.2.40.0230.13375.55
5.2.30.0200.08374.52
5.2.20.0270.12374.53
5.2.10.0270.05774.43
5.2.00.0730.190199.39
5.1.60.0970.247245.68
5.1.50.0700.263245.65
5.1.40.0800.237245.58
5.1.30.0830.210246.01
5.1.20.0730.217245.97
5.1.10.0900.280245.72
5.1.00.0600.230245.67
5.0.50.0970.237244.13
5.0.40.0730.250243.99
5.0.30.0600.233243.86
5.0.20.0770.213243.59
5.0.10.0800.200243.81
5.0.00.0770.230243.78
4.4.90.0700.227241.34
4.4.80.0830.270241.33
4.4.70.0700.277241.28
4.4.60.0930.220241.30
4.4.50.0800.263241.31
4.4.40.0800.223241.42
4.4.30.0700.210241.38
4.4.20.0770.277241.35
4.4.10.0830.287241.36
4.4.00.0970.247241.42
4.3.110.0630.220241.32
4.3.100.1100.253241.31
4.3.90.1400.213241.21
4.3.80.0800.183241.25
4.3.70.0630.163241.29
4.3.60.0600.210241.29
4.3.50.0670.183241.22
4.3.40.0630.183241.25
4.3.30.0700.157240.02
4.3.20.0430.180239.95
4.3.10.0430.180239.95
4.3.00.0530.167239.92

preferences:
65.17 ms | 400 KiB | 5 Q