3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1, 2, 3); foreach($a as $k => &$v) { $a[] = $v; }

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)
8.3.70.0630.06364.73
8.3.60.0170.03766.61
8.3.50.0730.05864.65
8.3.40.0500.02342.69
8.3.30.0480.03739.68
8.3.20.0190.01342.70
8.3.10.0140.01745.20
8.3.00.0100.01346.33
8.2.180.0830.03064.89
8.2.170.0420.02642.95
8.2.160.0300.02744.44
8.2.150.0060.02542.82
8.2.140.0160.01644.36
8.2.130.0110.00846.27
8.2.120.0130.01345.10
8.2.110.0160.03344.46
8.2.100.0260.01641.90
8.2.90.0100.02243.05
8.2.80.0100.02043.21
8.2.70.0170.01741.52
8.2.60.0160.01642.10
8.2.50.0160.01641.77
8.2.40.0130.02042.15
8.2.30.0200.01343.24
8.2.20.0130.01641.90
8.2.10.0170.01441.56
8.2.00.0160.01941.70
8.1.280.0640.01750.08
8.1.270.0170.00738.12
8.1.260.0360.02336.30
8.1.250.0070.01038.60
8.1.240.0250.00937.05
8.1.230.0200.01336.98
8.1.220.0030.01833.71
8.1.210.0060.02534.70
8.1.200.0070.01633.42
8.1.190.0130.01033.45
8.1.180.0170.00733.69
8.1.170.0070.01534.63
8.1.160.0070.01834.97
8.1.150.0210.00334.76
8.1.140.0090.01233.50
8.1.130.0100.01033.89
8.1.120.0100.01033.41
8.1.110.0100.01333.48
8.1.100.0070.01433.48
8.1.90.0100.01333.55
8.1.80.0140.00733.47
8.1.70.0070.01333.46
8.1.60.0110.01833.63
8.1.50.0070.01833.51
8.1.40.0130.01333.60
8.1.30.0070.01833.69
8.1.20.0110.01433.70
8.1.10.0200.02349.38
8.1.00.0330.01349.44
8.0.300.0140.02151.95
8.0.290.0170.02049.25
8.0.280.0170.02450.30
8.0.270.0230.02049.19
8.0.260.0240.01748.79
8.0.250.0100.02448.93
8.0.240.0310.01248.90
8.0.230.0200.02048.84
8.0.220.0360.00348.76
8.0.210.0200.01748.73
8.0.200.0190.02248.92
8.0.190.0200.02748.89
8.0.180.0190.02648.68
8.0.170.0180.02848.89
8.0.160.0170.03148.91
8.0.150.0360.02648.70
8.0.140.0290.03348.80
8.0.130.0300.04377.29
8.0.120.0200.02648.79
8.0.110.0260.01948.80
8.0.100.0160.02648.62
8.0.90.0170.02448.70
8.0.80.0520.02948.81
8.0.70.0180.02548.62
8.0.60.0130.02948.81
8.0.50.0140.03148.95
8.0.30.0480.04848.94
8.0.20.0390.05549.04
8.0.10.0220.02248.91
8.0.00.0610.04248.79
7.4.330.0240.01447.26
7.4.320.0260.01348.29
7.4.300.0230.01748.49
7.4.290.0260.01648.39
7.4.280.0290.02948.44
7.4.270.0180.02948.54
7.4.260.0330.04277.21
7.4.250.0100.03448.34
7.4.240.0100.03348.38
7.4.230.0210.02448.56
7.4.220.0410.05848.44
7.4.210.0510.03748.51
7.4.200.0220.02848.48
7.4.190.0210.02148.28
7.4.160.0460.04348.23
7.4.150.0430.05348.41
7.4.140.0480.05348.43
7.4.130.0360.05948.38
7.4.120.0600.04848.33
7.4.110.0450.04948.30
7.4.100.0610.05848.33
7.4.90.0480.04548.32
7.4.80.0400.08848.52
7.4.70.0610.06148.38
7.4.60.0530.06348.27
7.4.50.0200.03348.49
7.4.40.0310.02948.18
7.4.30.0490.06248.30
7.4.00.0200.03947.04
7.3.330.0390.105125.14
7.3.320.1010.064125.20
7.3.310.0230.05472.11
7.3.300.0330.04072.07
7.3.290.0880.07872.00
7.3.280.0820.09672.06
7.3.270.0710.09172.35
7.3.260.0820.10472.10
7.3.250.0840.09472.18
7.3.240.0980.09272.45
7.3.230.0910.07272.38
7.3.210.0930.06272.13
7.3.200.0920.08572.17
7.3.190.1040.09872.22
7.3.180.0760.07672.47
7.3.170.0780.07572.24
7.3.160.0650.08872.21
7.3.120.0520.03970.30
7.2.330.0870.08772.50
7.2.320.1050.13172.57
7.2.310.1110.10872.57
7.2.300.1050.11572.33
7.2.290.0720.09872.39
7.2.60.1350.04672.83
7.2.00.0600.06775.49
7.1.200.1250.03971.55
7.1.70.1170.04772.83
7.1.60.0710.04771.53
7.1.50.0200.09873.14
7.1.00.0100.07378.23
7.0.200.1030.05072.83
7.0.140.0170.13078.18
7.0.91.2530.09376.04
7.0.81.1800.12375.84
7.0.71.2830.10375.89
7.0.61.1930.08375.79
7.0.51.1300.09376.21
7.0.40.9100.12352.05
7.0.30.9200.13052.01
7.0.20.9130.10052.11
7.0.10.8370.12051.95
7.0.00.8830.08051.95
5.6.280.0270.14385.70
5.6.230.0200.10085.31
5.6.220.0330.14785.12
5.6.210.0200.14385.09
5.6.200.0200.11385.74
5.6.190.0200.10085.59
5.6.180.0470.10385.73
5.6.170.0170.11085.67
5.6.160.0370.11785.60
5.6.150.0300.10785.57
5.6.140.0400.07385.57
5.6.130.0230.09385.67
5.6.120.0070.09385.68
5.6.110.0170.09385.68
5.6.100.0300.11785.64
5.6.90.0130.11085.69
5.6.80.0100.08385.06
5.6.70.0300.09385.15
5.6.60.0230.09085.03
5.6.50.0230.10785.06
5.6.40.0300.11385.04
5.6.30.0370.16385.04
5.6.20.0370.14785.01
5.6.10.0100.11785.16
5.6.00.0230.15785.08
5.5.370.0230.09084.98
5.5.360.0330.13084.95
5.5.350.0370.15084.95
5.5.340.0130.09085.37
5.5.330.0330.15085.45
5.5.320.0270.13085.51
5.5.310.0330.09385.52
5.5.300.0330.09385.43
5.5.290.0130.10085.43
5.5.280.0230.12785.52
5.5.270.0300.12385.44
5.5.260.0170.10785.51
5.5.250.0300.10085.33
5.5.240.0130.08384.89
5.5.230.0170.11784.93
5.5.220.0170.09384.93
5.5.210.0500.15784.80
5.5.200.0300.14784.89
5.5.190.0370.14384.85
5.5.180.0370.16084.86
5.5.160.0500.11784.89
5.5.150.0170.10084.88
5.5.140.0200.13384.82
5.5.130.0230.15384.85
5.5.120.0330.13784.73
5.5.110.0170.11784.81
5.5.100.0230.10084.70
5.5.90.0270.09084.70
5.5.80.0270.12784.79
5.5.70.0200.10784.69
5.5.60.0330.10084.70
5.5.50.0470.12784.70
5.5.40.0270.13784.79
5.5.30.0430.12084.72
5.5.20.0330.15384.75
5.5.10.0300.12084.77
5.5.00.0430.13384.60
5.4.450.0270.14783.72
5.4.440.0270.07784.05
5.4.430.0100.09783.94
5.4.420.0200.09083.94
5.4.410.0170.10083.81
5.4.400.0170.12383.61
5.4.390.0170.08383.62
5.4.380.0100.09083.54
5.4.370.0170.15383.61
5.4.360.0170.16383.53
5.4.350.0270.14083.66
5.4.340.0170.10383.68
5.4.320.0200.10083.56
5.4.310.0370.16083.65
5.4.300.0230.09083.68
5.4.290.0330.12083.44
5.4.280.0270.10383.52
5.4.270.0300.16083.68
5.4.260.0330.11083.56
5.4.250.0230.12083.39
5.4.240.0270.10783.51
5.4.230.0400.14383.56
5.4.220.0230.15783.68
5.4.210.0170.11383.60
5.4.200.0300.14083.58
5.4.190.0230.14783.55
5.4.180.0130.17083.55
5.4.170.0470.13783.34
5.4.160.0500.06783.57
5.4.150.0200.15783.48
5.4.140.0230.14080.88
5.4.130.0270.08780.80
5.4.120.0270.09080.72
5.4.110.0200.16080.97
5.4.100.0200.11080.94
5.4.90.0300.14080.82
5.4.80.0100.11780.95
5.4.70.0230.14780.95
5.4.60.0130.12780.98
5.4.50.0400.12080.75
5.4.40.0170.11080.75
5.4.30.0370.10380.75
5.4.20.0100.15080.84
5.4.10.0270.15080.98
5.4.00.0370.13780.12
5.3.290.0430.14377.67
5.3.280.0330.12377.77
5.3.270.0230.13377.72
5.3.260.0230.14377.77
5.3.250.0330.12777.68
5.3.240.0300.13377.73
5.3.230.0170.13077.57
5.3.220.0170.10077.75
5.3.210.0200.13077.74
5.3.200.0200.11777.68
5.3.190.0270.11377.54
5.3.180.0230.13777.64
5.3.170.0130.17077.73
5.3.160.0330.07777.69
5.3.150.0170.14077.59
5.3.140.0370.12377.54
5.3.130.0330.11077.66
5.3.120.0470.12777.67
5.3.110.0300.13777.55
5.3.100.0330.12377.05
5.3.90.0200.14777.14
5.3.80.0170.09776.97
5.3.70.0130.15777.11
5.3.60.0030.11076.96
5.3.50.0200.09376.95
5.3.40.0170.13376.96
5.3.30.0270.08777.02
5.3.20.0230.09377.30
5.3.10.0370.11376.71
5.3.00.0300.13776.65
5.2.170.0170.11374.67
5.2.160.0300.09074.73
5.2.150.0330.15074.73
5.2.140.0100.16074.76
5.2.130.0300.10374.78
5.2.120.0200.16074.77
5.2.110.0270.16375.25
5.2.100.0170.11374.73
5.2.90.0470.11774.79
5.2.80.0430.12374.70
5.2.70.0230.15374.69
5.2.60.0130.12374.62
5.2.50.0130.17075.07
5.2.40.0200.17774.43
5.2.30.0200.14374.60
5.2.20.0170.16074.61
5.2.10.0130.04713.56
5.2.00.0000.03313.56
5.1.60.0030.04313.56
5.1.50.0070.04313.56
5.1.40.0000.05713.56
5.1.30.0030.05713.56
5.1.20.0030.05313.56
5.1.10.0070.05313.56
5.1.00.0070.05713.56
5.0.50.0030.04313.56
5.0.40.0030.04313.56
5.0.30.0000.06713.56
5.0.20.0000.03713.56
5.0.10.0000.03013.56
5.0.00.0070.06713.56
4.4.90.0030.03313.56
4.4.80.0070.03013.56
4.4.70.0000.02013.56
4.4.60.0000.04013.56
4.4.50.0030.03313.56
4.4.40.0100.04313.56
4.4.30.0030.02313.56
4.4.20.0030.02313.56
4.4.10.0030.03713.56
4.4.00.0070.03713.56
4.3.110.0000.03713.56
4.3.100.0000.03713.56
4.3.90.0030.02713.56
4.3.80.0000.04013.56
4.3.70.0070.02713.56
4.3.60.0030.02313.56
4.3.50.0070.03313.56
4.3.40.0000.02713.56
4.3.30.0000.03713.56
4.3.20.0000.03313.56
4.3.10.0030.02013.56
4.3.00.0000.03713.56

preferences:
40.95 ms | 401 KiB | 5 Q