3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array(); $y = array(); for ($i=100000; $i--;)$y[$i] =& $x; for ($i=100000; $i--;)unset($y[$i]);

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)
8.3.60.0130.01326.64
8.3.50.0130.01526.10
8.3.40.0100.01725.38
8.3.30.0220.01826.09
8.3.20.0110.00427.22
8.3.10.0060.00630.63
8.3.00.0090.00629.09
8.2.180.0200.02023.63
8.2.170.0230.01625.83
8.2.160.0160.01027.44
8.2.150.0150.00025.63
8.2.140.0090.00625.57
8.2.130.0200.01327.52
8.2.120.0140.00025.96
8.2.110.0070.01128.80
8.2.100.0100.01325.39
8.2.90.0100.00726.22
8.2.80.0030.01324.80
8.2.70.0130.00424.50
8.2.60.0030.01324.93
8.2.50.0060.00924.63
8.2.40.0110.00525.28
8.2.30.0110.00424.83
8.2.20.0080.00824.55
8.2.10.0070.00725.84
8.2.00.0000.02024.33
8.1.280.0200.01325.92
8.1.270.0100.00729.11
8.1.260.0060.00629.43
8.1.250.0140.00028.09
8.1.240.0080.00832.58
8.1.230.0100.01026.08
8.1.220.0060.01224.66
8.1.210.0070.01024.23
8.1.200.0070.01024.23
8.1.190.0060.01024.42
8.1.180.0100.00624.10
8.1.170.0080.00825.72
8.1.160.0060.00828.98
8.1.150.0090.00625.49
8.1.140.0070.01024.27
8.1.130.0030.01024.76
8.1.120.0030.01224.27
8.1.110.0000.01524.26
8.1.100.0100.00624.27
8.1.90.0090.00624.27
8.1.80.0070.00724.41
8.1.70.0100.00324.38
8.1.60.0100.01024.43
8.1.50.0130.00324.46
8.1.40.0070.01024.42
8.1.30.0030.01324.48
8.1.20.0030.01324.58
8.1.10.0040.01224.33
8.1.00.0070.01024.38
8.0.300.0040.01124.10
8.0.290.0030.01223.80
8.0.280.0040.01125.20
8.0.270.0090.00624.09
8.0.260.0040.01123.62
8.0.250.0090.00623.66
8.0.240.0110.00423.64
8.0.230.0030.01223.74
8.0.220.0070.00723.62
8.0.210.0110.00423.49
8.0.200.0000.01523.63
8.0.190.0100.00723.75
8.0.180.0100.00723.55
8.0.170.0070.01023.62
8.0.160.0070.01023.73
8.0.150.0030.01223.66
8.0.140.0060.01023.64
8.0.130.0060.00920.20
8.0.120.0070.01023.63
8.0.110.0120.00423.62
8.0.100.0120.00323.63
8.0.90.0030.01323.51
8.0.80.0070.02423.56
8.0.70.0110.00423.48
8.0.60.0030.01323.50
8.0.50.0100.00723.45
8.0.30.0170.02323.68
8.0.20.0160.02123.88
8.0.10.0030.01223.71
8.0.00.0150.02623.51
7.4.330.0080.00423.45
7.4.320.0080.00623.30
7.4.300.0100.00323.35
7.4.290.0100.00723.23
7.4.280.0030.01323.24
7.4.270.0070.01023.29
7.4.260.0070.01423.17
7.4.250.0000.01623.28
7.4.240.0020.01423.27
7.4.230.0090.00623.32
7.4.220.0180.01523.14
7.4.210.0180.01823.21
7.4.200.0030.01223.07
7.4.190.0100.00723.32
7.4.160.0160.01623.10
7.4.150.0260.01023.30
7.4.140.0200.01723.30
7.4.130.0210.01923.25
7.4.120.0200.01923.27
7.4.110.0210.01223.25
7.4.100.0150.02223.23
7.4.90.0200.02723.32
7.4.80.0120.02723.41
7.4.70.0280.01823.39
7.4.60.0190.01623.25
7.4.50.0070.01023.15
7.4.40.0170.01023.20
7.4.30.0130.02023.35
7.4.00.0190.00621.91
7.3.330.0030.01620.15
7.3.320.0030.01019.96
7.3.310.0100.00622.96
7.3.300.0040.01123.10
7.3.290.0160.01323.08
7.3.280.0150.01923.04
7.3.270.0100.02723.04
7.3.260.0130.02223.22
7.3.250.0180.01623.28
7.3.240.0160.01923.25
7.3.230.0100.02723.26
7.3.210.0140.02023.09
7.3.200.0230.01923.39
7.3.190.0330.00723.01
7.3.180.0180.01823.30
7.3.170.0160.01923.09
7.3.160.0140.02123.29
7.3.120.0160.00921.61
7.2.330.0100.03622.54
7.2.320.0100.02722.84
7.2.310.0290.01622.49
7.2.300.0140.02122.62
7.2.290.0210.01422.90
7.2.00.0210.01027.54
7.1.100.0200.01026.48
7.1.70.0030.01024.80
7.1.60.0140.01025.60
7.1.50.0100.02925.25
7.1.00.0030.08330.61
7.0.200.0140.01424.92
7.0.140.0030.08030.34
7.0.60.0070.09726.18
7.0.50.0170.05324.18
7.0.40.0200.08323.77
7.0.30.0470.03723.87
7.0.20.0430.07023.93
7.0.10.0370.09323.87
7.0.00.0070.05324.05
5.6.280.0100.08730.25
5.6.210.0000.07030.04
5.6.200.0100.04727.55
5.6.190.0130.08029.81
5.6.180.3700.06729.83
5.6.170.0430.09029.70
5.6.160.0030.09729.76
5.6.150.0070.09727.59
5.6.140.0030.10327.59
5.6.130.0130.09727.60
5.6.120.0170.06330.32
5.6.110.0130.11030.47
5.6.100.0100.11030.44
5.6.90.0030.06330.55
5.6.80.0070.07329.84
5.6.70.0370.09729.95
5.5.350.0070.09729.84
5.5.340.0000.05727.37
5.5.330.0130.10329.56
5.5.320.0300.09329.63
5.5.310.0230.10029.33
5.5.300.0130.09327.39
5.5.290.0030.07027.13
5.5.280.0130.10030.32
5.5.270.0130.10030.23
5.5.260.0070.08330.23
5.5.250.0100.04730.12
5.5.240.0100.10029.62
5.4.450.0430.07028.75
5.4.440.0670.08028.77
5.4.430.0200.08028.86
5.4.420.0170.07328.67
5.4.410.0100.07728.75
5.4.400.1070.00027.97
5.4.390.1130.00028.14
5.4.380.0300.08327.90
5.4.370.0230.07328.02
5.4.360.0270.08328.10
5.4.350.0230.07728.19
5.4.340.0330.07728.11
5.4.320.0090.05121.89
5.4.310.0100.06021.89
5.4.300.0060.06221.89
5.4.290.0070.05221.89
5.4.280.0060.05421.79
5.4.270.0230.08728.28
5.4.260.0300.10328.31
5.4.250.0100.11328.06
5.4.240.0200.07328.24
5.4.230.0200.07728.30
5.4.220.0200.07728.07
5.4.210.0230.07728.25
5.4.200.0230.07728.28
5.4.190.0170.11028.25
5.4.180.0130.07328.24
5.4.170.0170.10028.13
5.4.160.0070.09028.19
5.4.150.0230.07728.23
5.4.140.0100.07725.70
5.4.130.0170.08325.79
5.4.120.0100.08025.66
5.4.110.0170.10725.65
5.4.100.0100.09025.86
5.4.90.0100.10325.82
5.4.80.0030.11025.82
5.4.70.0130.10725.82
5.4.60.0200.08325.64
5.4.50.0100.07025.77
5.4.40.0200.06025.70
5.4.30.0270.09325.60
5.4.20.0300.08325.77
5.4.10.0100.12025.77
5.4.00.0070.08025.11
5.3.290.0060.07121.86
5.3.280.0070.08723.63
5.3.270.0170.11323.54
5.3.260.0130.09023.50
5.3.250.0200.07723.62
5.3.240.0170.07723.41
5.3.230.0000.12023.72
5.3.220.0230.10323.62
5.3.210.0130.08723.58
5.3.200.0230.08023.70
5.3.190.0130.08023.58
5.3.180.0230.09723.50
5.3.170.0230.07023.41
5.3.160.0130.09323.28
5.3.150.0230.10023.60
5.3.140.0130.10323.43
5.3.130.0070.09723.67
5.3.120.0100.08323.44
5.3.110.0130.11023.45
5.3.100.0130.09322.84
5.3.90.0230.06723.06
5.3.80.0130.09322.98
5.3.70.0230.10723.32
5.3.60.0100.08322.79
5.3.50.0130.08722.92
5.3.40.0100.08322.76
5.3.30.0230.06022.70
5.3.20.0070.08022.53
5.3.10.0200.06722.52
5.3.00.0100.10022.70
5.2.170.0130.06020.16
5.2.160.0200.08720.00
5.2.150.0100.06020.16
5.2.140.0100.10319.84
5.2.130.0170.07320.06
5.2.120.0100.10020.03
5.2.110.0170.06020.07
5.2.100.0330.08320.32
5.2.90.0130.10320.11
5.2.80.0130.07720.06
5.2.70.0230.09320.09
5.2.60.0070.10020.09
5.2.50.0200.07319.73
5.2.40.0100.08320.08
5.2.30.0170.06019.96
5.2.20.0170.09019.99
5.2.10.0230.05319.98
5.2.00.0230.05719.70
5.1.60.0130.06721.45
5.1.50.0170.07321.18
5.1.40.0170.08321.48
5.1.30.0070.06721.64
5.1.20.0200.05321.75
5.1.10.0100.07021.67
5.1.00.0070.07021.62
5.0.50.0170.08319.89
5.0.40.0070.12019.59
5.0.30.0100.08719.55
5.0.20.0270.10019.58
5.0.10.0130.07719.65
5.0.00.0130.09319.45
4.4.90.0130.08717.19
4.4.80.0100.10017.24
4.4.70.0070.07717.29
4.4.60.0030.08317.45
4.4.50.0030.09717.34
4.4.40.0030.10717.45
4.4.30.0130.12017.25
4.4.20.0070.07717.23
4.4.10.0130.06717.24
4.4.00.0070.08717.23
4.3.110.0030.07717.26
4.3.100.0100.07017.38
4.3.90.0070.07017.21
4.3.80.0230.12017.24
4.3.70.0100.07317.28
4.3.60.0070.08017.28
4.3.50.0200.10017.06
4.3.40.0130.11717.21
4.3.30.0170.08315.97
4.3.20.0070.07015.95
4.3.10.0130.07015.94
4.3.00.0230.10715.98

preferences:
52.5 ms | 401 KiB | 5 Q