3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b = 1; $a = array(); for($i=100000;$i-->0;) $a[] =& $b; for($i=100000;$i-->0;) unset($a[$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)
8.3.60.0130.01320.48
8.3.50.0170.01318.86
8.3.40.0040.01821.27
8.3.30.0200.01022.89
8.3.20.0120.00022.71
8.3.10.0040.00723.88
8.3.00.0100.00024.61
8.2.180.0160.01019.00
8.2.170.0120.00922.96
8.2.160.0120.00624.29
8.2.150.0120.00324.18
8.2.140.0040.00824.66
8.2.130.0000.01026.16
8.2.120.0030.00622.76
8.2.110.0030.01024.18
8.2.100.0080.00820.41
8.2.90.0080.00421.71
8.2.80.0080.00321.75
8.2.70.0090.00320.00
8.2.60.0040.00820.43
8.2.50.0040.00820.13
8.2.40.0060.00620.66
8.2.30.0040.00721.92
8.2.20.0040.00720.10
8.2.10.0080.00320.04
8.2.00.0030.00920.13
8.1.270.0100.00327.23
8.1.260.0070.00727.76
8.1.250.0130.00028.09
8.1.240.0040.01129.93
8.1.230.0130.01024.00
8.1.220.0000.01322.54
8.1.210.0080.00622.23
8.1.200.0030.01022.23
8.1.190.0060.00622.30
8.1.180.0000.01322.22
8.1.170.0110.00423.36
8.1.160.0030.01223.57
8.1.150.0120.00623.40
8.1.140.0030.01022.29
8.1.130.0060.00622.69
8.1.120.0030.00922.34
8.1.110.0030.01022.32
8.1.100.0000.01222.30
8.1.90.0000.01222.37
8.1.80.0040.00822.24
8.1.70.0000.01122.29
8.1.60.0060.00922.47
8.1.50.0060.00922.30
8.1.40.0030.01022.38
8.1.30.0000.01422.29
8.1.20.0030.01222.47
8.1.10.0060.00922.38
8.1.00.0030.01222.32
8.0.300.0040.00821.72
8.0.290.0100.00321.91
8.0.280.0040.00823.11
8.0.270.0000.01222.04
8.0.260.0060.00621.56
8.0.250.0000.01221.61
8.0.240.0100.00321.77
8.0.230.0040.00821.56
8.0.220.0060.00621.60
8.0.210.0060.00621.71
8.0.200.0030.00921.59
8.0.190.0070.01021.69
8.0.180.0030.01021.70
8.0.170.0030.01021.61
8.0.160.0000.01321.59
8.0.150.0060.00621.63
8.0.140.0030.01021.61
8.0.130.0000.01218.13
8.0.120.0090.00621.61
8.0.110.0030.01021.46
8.0.100.0070.00721.57
8.0.90.0070.00621.46
8.0.80.0120.01221.64
8.0.70.0030.01021.52
8.0.60.0100.00321.47
8.0.50.0030.01021.47
8.0.30.0120.01921.61
8.0.20.0190.01721.74
8.0.10.0030.01021.64
8.0.00.0110.02421.50
7.4.330.0060.00621.09
7.4.320.0030.00921.21
7.4.300.0040.00821.23
7.4.290.0100.00321.29
7.4.280.0000.01321.20
7.4.270.0030.00921.31
7.4.260.0040.01118.09
7.4.250.0050.00921.26
7.4.240.0050.00821.24
7.4.230.0030.01021.38
7.4.220.0130.01321.32
7.4.210.0090.01621.29
7.4.200.0000.01321.09
7.4.190.0040.01121.07
7.4.160.0150.01521.14
7.4.150.0140.01721.10
7.4.140.0160.01721.25
7.4.130.0140.01621.28
7.4.120.0130.01621.33
7.4.110.0140.01721.13
7.4.100.0240.00721.10
7.4.90.0150.01821.30
7.4.80.0190.01921.24
7.4.70.0160.01321.34
7.4.60.0130.01821.23
7.4.50.0070.01021.14
7.4.40.0030.02122.77
7.4.30.0150.02021.02
7.4.00.0130.01319.57
7.3.330.0040.00818.13
7.3.320.0050.00817.93
7.3.310.0030.01021.14
7.3.300.0030.01021.07
7.3.290.0060.02021.01
7.3.280.0150.01221.03
7.3.270.0130.02821.25
7.3.260.0190.01321.39
7.3.250.0230.01721.24
7.3.240.0160.02221.04
7.3.230.0140.01721.37
7.3.210.0060.02621.16
7.3.200.0190.01921.39
7.3.190.0200.02021.37
7.3.180.0100.01821.14
7.3.170.0100.01721.18
7.3.160.0180.01021.11
7.3.120.0120.01219.86
7.2.330.0140.01721.49
7.2.320.0090.02821.54
7.2.310.0160.01321.34
7.2.300.0190.01121.40
7.2.290.0220.00621.29
7.2.00.0070.01425.20
7.1.100.0000.01923.89
7.1.70.0040.00823.11
7.1.60.0030.03323.03
7.1.50.0110.01822.70
7.1.00.0030.07728.20
7.0.200.0070.00722.75
7.0.140.0070.08027.97
7.0.100.0170.08024.83
7.0.90.0170.08024.82
7.0.80.0230.04724.81
7.0.70.0330.05024.88
7.0.60.0130.04024.81
7.0.50.0630.07725.18
7.0.40.0600.07023.97
7.0.30.0070.09023.99
7.0.20.0530.08324.05
7.0.10.0630.05023.96
7.0.00.0130.09023.91
5.6.280.0070.09330.25
5.6.250.0130.06030.03
5.6.240.0100.08730.02
5.6.230.0130.10730.02
5.6.220.0070.10730.14
5.6.210.0100.10730.00
5.6.200.0170.09730.40
5.6.190.0070.08330.52
5.6.180.0170.06730.51
5.6.170.0070.09030.48
5.6.160.0170.06030.39
5.6.150.0170.10330.39
5.6.140.0200.09730.43
5.6.130.0030.06330.46
5.6.120.0130.09730.44
5.6.110.0170.09730.38
5.6.100.0200.08330.45
5.6.90.0100.08030.46
5.6.80.0130.09329.95
5.6.70.0270.08029.81
5.6.60.0130.10329.94
5.6.50.0070.09029.84
5.6.40.0070.08729.73
5.6.30.0100.08729.88
5.6.20.0170.09329.84
5.6.10.0070.08729.72
5.6.00.0070.10329.91
5.5.380.0130.10029.89
5.5.370.0030.09029.76
5.5.360.0070.09329.85
5.5.350.0170.07029.91
5.5.340.0100.08330.20
5.5.330.0170.07330.33
5.5.320.0130.07730.21
5.5.310.0030.07030.36
5.5.300.0070.10330.35
5.5.290.0070.08730.32
5.5.280.0130.09330.19
5.5.270.0030.09730.31
5.5.260.0070.09330.33
5.5.250.0130.05330.16
5.5.240.0070.10329.66
5.5.230.0130.09729.70
5.5.220.0230.03729.61
5.5.210.0100.09729.53
5.5.200.0070.09729.55
5.5.190.0070.08329.71
5.5.180.0130.05329.51
5.5.160.0070.04729.55
5.5.150.0130.05329.66
5.5.140.0100.05729.60
5.5.130.0100.10329.71
5.5.120.0200.09329.71
5.5.110.0170.09029.54
5.5.100.0030.06029.54
5.5.90.0100.07329.52
5.5.80.0070.06329.50
5.5.70.0270.08329.40
5.5.60.0070.10029.49
5.5.50.0200.06029.51
5.5.40.0100.09729.52
5.5.30.0230.06329.45
5.5.20.0170.07029.48
5.5.10.0100.09329.47
5.5.00.0170.08729.53
5.4.450.0100.07028.81
5.4.440.0030.10328.73
5.4.430.0270.08328.72
5.4.420.0230.08728.64
5.4.410.0170.07028.52
5.4.400.0100.09328.17
5.4.390.0170.06728.18
5.4.380.0100.09728.46
5.4.370.0070.10028.41
5.4.360.0070.10028.41
5.4.350.0130.09728.52
5.4.340.0070.09728.26
5.4.320.0130.04728.51
5.4.310.0130.04328.27
5.4.300.0130.09328.31
5.4.290.0070.10028.33
5.4.280.0130.07328.41
5.4.270.0170.08728.30
5.4.260.0070.09728.21
5.4.250.0000.05728.32
5.4.240.0130.08728.32
5.4.230.0130.05728.50
5.4.220.0030.07728.41
5.4.210.0130.07028.25
5.4.200.0170.08728.31
5.4.190.0200.06328.40
5.4.180.0030.09728.44
5.4.170.0130.05728.30
5.4.160.0100.08328.31
5.4.150.0200.09328.30
5.4.140.0200.05025.70
5.4.130.0200.06725.71
5.4.120.0000.06325.63
5.4.110.0070.07725.66
5.4.100.0100.05725.67
5.4.90.0100.04725.68
5.4.80.0070.05025.74
5.4.70.0030.05025.66
5.4.60.0100.08325.55
5.4.50.0100.08025.62
5.4.40.0130.04325.67
5.4.30.0030.05025.66
5.4.20.0100.09325.61
5.4.10.0130.07725.52
5.4.00.0130.07325.05
5.3.290.0070.09323.59
5.3.280.0230.09023.46
5.3.270.0200.06723.58
5.3.260.0130.09323.63
5.3.250.0100.10323.64
5.3.240.0100.07323.61
5.3.230.0030.10023.52
5.3.220.0030.05723.49
5.3.210.0100.05323.44
5.3.200.0100.09323.57
5.3.190.0000.08723.50
5.3.180.0000.05723.43
5.3.170.0170.05323.58
5.3.160.0130.04723.42
5.3.150.0100.09323.45
5.3.140.0100.08323.56
5.3.130.0200.08023.40
5.3.120.0100.05023.57
5.3.110.0100.07723.53
5.3.100.0230.08323.05
5.3.90.0070.04722.91
5.3.80.0030.05322.83
5.3.70.0030.09722.98
5.3.60.0130.08322.96
5.3.50.0070.08322.90
5.3.40.0130.08022.90
5.3.30.0070.07322.71
5.3.20.0070.09022.59
5.3.10.0030.09722.61
5.3.00.0100.07322.57
5.2.170.0170.06720.08
5.2.160.0030.09320.09
5.2.150.0000.05019.99
5.2.140.0070.04320.12
5.2.130.0130.08020.02
5.2.120.0100.07719.83
5.2.110.0070.09320.11
5.2.100.0130.06720.09
5.2.90.0030.05020.03
5.2.80.0130.08319.89
5.2.70.0100.08719.87
5.2.60.0130.09319.86
5.2.50.0100.09019.96
5.2.40.0000.09319.82
5.2.30.0000.05319.95
5.2.20.0130.09019.90
5.2.10.0200.07019.90
5.2.00.0100.05719.74
5.1.60.0070.07021.40
5.1.50.0030.08721.35
5.1.40.0000.08021.47
5.1.30.0030.05321.73
5.1.20.0070.04721.68
5.1.10.0030.05721.52
5.1.00.0070.04721.48
5.0.50.0100.05019.95
5.0.40.0130.08019.72
5.0.30.0070.05719.58
5.0.20.0070.09319.67
5.0.10.0100.08019.58
5.0.00.0030.07319.64
4.4.90.0070.07017.37
4.4.80.0000.07317.34
4.4.70.0000.08717.31
4.4.60.0070.06717.27
4.4.50.0030.09017.34
4.4.40.0030.05717.38
4.4.30.0030.04317.29
4.4.20.0100.05017.43
4.4.10.0000.07017.46
4.4.00.0130.07717.31
4.3.110.0070.06717.31
4.3.100.0170.04317.21
4.3.90.0130.03017.20
4.3.80.0100.07717.15
4.3.70.0130.08017.20
4.3.60.0030.09317.18
4.3.50.0130.05717.20
4.3.40.0030.07317.24
4.3.30.0030.09016.07
4.3.20.0030.09316.04
4.3.10.0070.07315.91
4.3.00.0100.10015.97

preferences:
55.34 ms | 400 KiB | 5 Q