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 ,&$a); fill($tmp, $i); } } fill($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)
8.3.60.0071.99718.27
8.3.50.0081.99421.92
8.3.40.0071.99618.71
8.3.30.0032.00018.71
8.3.20.0002.00218.62
8.3.10.0002.00119.41
8.3.00.0031.99723.52
8.2.180.0101.99316.50
8.2.170.0131.97922.96
8.2.160.0031.99920.53
8.2.150.0071.99724.18
8.2.140.0002.00424.66
8.2.130.0071.99526.16
8.2.120.0101.98917.63
8.2.110.0101.99121.00
8.2.100.0061.99617.71
8.2.90.0032.00019.46
8.2.80.0032.00319.41
8.2.70.0031.99717.50
8.2.60.0002.00317.80
8.2.50.0031.99918.07
8.2.40.0032.00018.16
8.2.30.0002.00319.91
8.2.20.0071.99717.73
8.2.10.0031.99817.68
8.2.00.0002.00817.75
8.1.280.0101.99225.92
8.1.270.0032.00023.99
8.1.260.0032.00026.35
8.1.250.0071.99528.09
8.1.240.0032.00023.97
8.1.230.0071.99420.94
8.1.220.0031.99517.74
8.1.210.0031.99718.96
8.1.200.0031.99817.47
8.1.190.0031.99917.55
8.1.180.0002.00618.10
8.1.170.0071.99418.54
8.1.160.0002.00318.92
8.1.150.0002.00618.61
8.1.140.0031.99317.52
8.1.130.0071.99517.75
8.1.120.0101.99317.55
8.1.110.0002.00317.40
8.1.100.0002.00417.49
8.1.90.0032.00017.55
8.1.80.0061.99517.53
8.1.70.0002.00217.48
8.1.60.0061.99517.56
8.1.50.0002.00217.48
8.1.40.0032.00017.57
8.1.30.0071.99417.62
8.1.20.0071.99717.65
8.1.10.0032.00017.46
8.1.00.0071.99317.39
8.0.300.0002.00219.90
8.0.290.0072.00016.58
8.0.280.0031.99718.29
8.0.270.0071.99317.20
8.0.260.0032.00016.77
8.0.250.0071.99416.91
8.0.240.0061.99316.80
8.0.230.0031.99916.93
8.0.220.0031.99916.82
8.0.210.0002.00316.73
8.0.200.0002.00316.93
8.0.190.0031.99816.88
8.0.180.0031.99916.82
8.0.170.0032.00116.89
8.0.160.0071.99516.79
8.0.150.0032.00016.88
8.0.140.0002.00416.78
8.0.130.0002.00313.28
8.0.120.0071.99616.82
8.0.110.0002.00216.71
8.0.100.0031.99816.64
8.0.90.0071.99716.70
8.0.80.0131.98816.83
8.0.70.0071.99516.84
8.0.60.0002.00216.71
8.0.50.0002.00416.62
8.0.30.0161.98017.05
8.0.20.0261.97017.40
8.0.10.0071.99616.76
8.0.00.0151.98316.71
7.4.330.0002.00214.84
7.4.320.0031.99916.49
7.4.300.0031.99816.29
7.4.290.0002.00316.40
7.4.280.0131.98816.49
7.4.270.0032.00016.46
7.4.260.0002.00313.18
7.4.250.0031.99816.48
7.4.240.0032.00016.41
7.4.230.0031.99916.47
7.4.220.0131.99016.40
7.4.210.0141.98616.46
7.4.200.0031.99716.18
7.4.190.0031.99316.52
7.4.160.0101.99616.59
7.4.150.0161.97517.40
7.4.140.0151.98517.86
7.4.130.0071.99316.42
7.4.120.0161.98616.45
7.4.110.0072.45216.48
7.4.100.0162.44916.41
7.4.90.0092.41816.52
7.4.80.0382.30919.37
7.4.70.0162.42116.32
7.4.60.0162.43316.46
7.4.50.0032.48616.30
7.4.40.0032.49422.27
7.4.30.0362.35916.51
7.4.00.0102.48114.98
7.3.330.0031.99913.09
7.3.320.0101.99113.31
7.3.310.0101.99316.08
7.3.300.0031.99616.11
7.3.290.0461.94016.12
7.3.280.0131.98916.19
7.3.270.0101.98917.40
7.3.260.0171.98518.24
7.3.250.0261.96716.37
7.3.240.0131.98916.39
7.3.230.0132.43516.39
7.3.210.0102.44316.21
7.3.200.0222.22219.39
7.3.190.0132.38816.32
7.3.180.0172.43016.22
7.3.170.0132.42916.27
7.3.160.0072.44716.16
7.3.120.0032.49214.73
7.2.330.0162.43816.34
7.2.320.0102.46316.72
7.2.310.0132.43516.28
7.2.300.0102.41116.36
7.2.290.0292.27516.70
7.2.00.0032.49819.55
7.1.100.0002.50118.12
7.1.70.0002.50117.04
7.1.60.0132.48819.40
7.1.50.0072.49517.09
7.0.200.0032.49816.85

preferences:
41.84 ms | 401 KiB | 5 Q