3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(&$a); function fill (&$a, $i = 3) { if (!$i--) return; foreach ($a as &$tmp) { $tmp = array($tmp ,&$a); var_dump($a); fill($tmp); } } fill($a);

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)
8.3.60.0240.00716.50
8.3.50.0220.01317.14
8.3.40.0280.01418.50
8.3.30.0230.01918.60
8.3.20.0080.01118.64
8.3.10.0060.00620.41
8.3.00.0110.00717.63
8.2.180.0300.00516.32
8.2.170.0210.01322.96
8.2.160.0150.00922.25
8.2.150.0140.00524.18
8.2.140.0140.00324.66
8.2.130.0190.00026.16
8.2.120.0090.00919.83
8.2.110.0110.00522.20
8.2.100.0130.00717.91
8.2.90.0030.00617.91
8.2.80.0030.00719.38
8.2.70.0040.00717.50
8.2.60.0030.01017.93
8.2.50.0040.00718.07
8.2.40.0120.00017.97
8.2.30.0070.00418.08
8.2.20.0000.01117.79
8.2.10.0000.01117.73
8.2.00.0080.00317.82
8.1.280.0250.00725.92
8.1.270.0110.00424.66
8.1.260.0100.00526.35
8.1.250.0170.00028.09
8.1.240.0190.00523.97
8.1.230.0190.00622.80
8.1.220.0000.01317.74
8.1.210.0070.00318.89
8.1.200.0080.00817.35
8.1.190.0110.00017.53
8.1.180.0030.00618.10
8.1.170.0000.01118.82
8.1.160.0080.00818.95
8.1.150.0060.00318.73
8.1.140.0080.00317.54
8.1.130.0100.00017.97
8.1.120.0070.00317.53
8.1.110.0070.00717.54
8.1.100.0070.00517.47
8.1.90.0040.00817.40
8.1.80.0040.00417.61
8.1.70.0060.00617.49
8.1.60.0060.00617.69
8.1.50.0000.01117.54
8.1.40.0090.00017.48
8.1.30.0090.00317.65
8.1.20.0050.01017.68
8.1.10.0050.00517.57
8.1.00.0090.00517.59
8.0.300.0100.00019.87
8.0.290.0090.00316.63
8.0.280.0060.00318.39
8.0.270.0040.00817.27
8.0.260.0130.00016.76
8.0.250.0080.00416.73
8.0.240.0080.00416.83
8.0.230.0060.00316.81
8.0.220.0060.00316.85
8.0.210.0090.00016.77
8.0.200.0060.00316.73
8.0.190.0110.00016.75
8.0.180.0120.00016.85
8.0.170.0050.01016.91
8.0.160.0060.00616.91
8.0.150.0090.00316.81
8.0.140.0040.00916.83
8.0.130.0120.00013.34
8.0.120.0080.00416.84
8.0.110.0000.01216.66
8.0.100.0050.00516.77
8.0.90.0060.00616.73
8.0.80.0320.02616.84
8.0.70.0090.00016.80
8.0.60.0000.00916.68
8.0.50.0100.00016.79
8.0.30.0340.01717.10
8.0.20.0420.01617.19
8.0.10.0070.00716.85
8.0.00.0270.01616.66
7.4.330.0000.00813.01
7.4.320.0080.00316.41
7.4.300.0070.00716.41
7.4.290.0050.00516.34
7.4.280.0230.01016.30
7.4.270.0060.00616.32
7.4.260.0050.00513.31
7.4.250.0070.00316.51
7.4.240.0000.01416.44
7.4.230.0100.00016.39
7.4.220.0390.01916.29
7.4.210.0170.01716.43
7.4.200.0000.01216.25
7.4.190.0000.01316.62
7.4.160.0410.00416.25
7.4.150.0580.02516.43
7.4.140.0280.01916.52
7.4.130.0300.01016.46
7.4.120.0300.01816.51
7.4.110.0220.01916.62
7.4.100.0350.01216.55
7.4.90.0340.01016.43
7.4.80.0220.02216.39
7.4.70.0400.01016.55
7.4.60.0220.02316.37
7.4.50.0090.00916.34
7.4.40.0100.01016.44
7.4.30.0960.02616.40
7.3.330.0070.00713.39
7.3.320.0000.01213.24
7.3.310.0050.00516.34
7.3.300.0060.00316.23
7.3.290.0210.01816.09
7.3.280.0130.02716.22
7.3.270.0240.00916.36
7.3.260.0380.01416.44
7.3.250.0270.02116.48
7.3.240.0400.00316.35
7.3.230.0480.00516.50
7.3.210.0380.01416.52
7.3.200.0350.03119.39
7.3.190.0410.01916.21
7.3.180.0240.02016.41
7.3.170.0530.02216.47
7.3.160.0190.01916.20
7.2.330.0630.01016.78
7.2.320.0320.02416.59
7.2.310.0420.01516.65
7.2.300.0410.02016.28
7.2.290.0170.02016.61
7.2.100.0380.00614.65
7.2.90.0300.01314.69
7.2.80.1400.01514.52
7.2.70.1530.01015.01
7.2.60.1560.01814.85
7.2.50.1230.00714.76
7.2.40.1860.01314.77
7.2.30.1270.00614.80
7.2.20.0230.00614.89
7.2.10.0160.02114.89
7.2.00.1050.00614.68
7.1.220.1770.01213.89
7.1.210.1160.01413.64
7.1.200.0430.00314.04
7.1.190.1620.00713.80
7.1.180.1090.01013.75
7.1.170.1450.01013.92
7.1.160.0940.01913.88
7.1.150.1340.00313.89
7.1.140.0760.01313.86
7.1.130.0750.00613.70
7.1.120.0250.00814.02
7.1.110.0780.00613.91
7.1.100.0070.01513.85
7.1.90.0700.00713.61
7.1.80.0660.01213.57
7.1.70.0670.02013.78
7.1.60.0960.01031.97
7.1.50.0790.02432.10
7.1.40.1100.01031.86
7.1.30.0990.00731.73
7.1.20.1530.00631.61
7.1.10.1210.00413.71
7.1.00.1020.01013.53
7.0.310.1700.00713.51
7.0.300.1150.01013.43
7.0.290.1260.00713.61
7.0.280.0330.00313.46
7.0.270.0860.00613.19
7.0.260.0610.01613.27
7.0.250.1250.01213.29
7.0.240.0820.00413.59
7.0.230.0710.01013.38
7.0.220.0290.00913.19
7.0.210.0470.01013.42
7.0.200.0800.01113.51
7.0.190.1200.01013.22
7.0.180.1020.00613.18
7.0.170.0820.00013.56
7.0.160.0940.00713.16
7.0.150.0880.01213.71
7.0.140.1180.00913.26
7.0.130.0540.01013.68
7.0.120.0500.01113.82
7.0.110.0760.00813.27
7.0.100.0410.00313.51
7.0.90.0620.00713.36
7.0.80.0460.00713.80
7.0.70.0550.00913.64
7.0.60.0950.01713.58
7.0.50.0740.00013.70
7.0.40.0110.01513.78
7.0.30.0410.00413.48
7.0.20.0890.00613.13
7.0.10.0270.00813.40
7.0.00.0310.01313.55
5.6.380.0130.01314.46
5.6.370.0170.01414.48
5.6.360.0090.01814.23
5.6.350.0120.01214.31
5.6.340.0180.00914.06
5.6.330.0170.00913.92
5.6.320.0120.01514.36
5.6.310.0130.00914.04
5.6.300.0260.00014.16
5.6.290.0150.01814.32
5.6.280.0150.01214.00
5.6.270.0200.00814.46
5.6.260.0170.00814.43
5.6.250.0210.00514.27
5.6.240.0190.01014.51
5.6.230.0160.00414.27
5.6.220.0180.01214.13
5.6.210.0300.00414.32
5.6.200.0290.00714.21
5.6.190.0130.01314.21
5.6.180.0190.00014.27
5.6.170.0180.00714.20
5.6.160.0250.00414.30
5.6.150.0150.00613.97
5.6.140.0110.01514.17
5.6.130.0180.00714.34
5.6.120.0170.00914.15
5.6.110.0150.02013.88
5.6.100.0120.01213.97
5.6.90.0160.01114.16
5.6.80.0170.01313.89
5.5.380.0210.01512.66
5.5.370.0150.00712.66
5.5.360.0270.00012.66
5.5.350.0070.01012.66
5.5.340.0140.00712.66
5.5.330.0160.01312.66
5.5.320.0090.01212.66
5.5.310.0250.00312.66
5.5.300.0230.00012.66
5.5.290.0140.00712.66
5.5.280.0200.00312.66
5.5.270.0150.01012.66
5.5.260.0170.00012.66
5.5.250.0100.01512.66
5.5.240.0110.01112.66
5.4.450.0230.00612.66
5.4.440.0170.01412.66
5.4.430.0120.00612.66
5.4.420.0140.00412.66
5.4.410.0200.01412.66

preferences:
71.22 ms | 401 KiB | 5 Q