3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new stdclass; var_dump((null)$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)
5.4.320.2130.03719.25
5.4.310.2200.04318.96
5.4.300.2530.03719.23
5.4.290.2330.04018.84
5.4.280.2270.04319.33
5.4.270.2200.04018.87
5.4.260.1970.05318.83
5.4.250.1900.04318.97
5.4.240.2230.04319.21
5.4.230.2130.03319.21
5.4.220.2000.04018.94
5.4.210.2070.04019.08
5.4.200.2400.03718.97
5.4.190.2330.03319.08
5.4.180.1970.04018.99
5.4.170.2130.03019.16
5.4.160.2330.05018.85
5.4.150.2300.04019.13
5.4.140.2030.03316.32
5.4.130.2270.03316.64
5.4.120.2230.04316.50
5.4.110.2130.03316.50
5.4.100.2430.03316.51
5.4.90.2370.03016.52
5.4.80.2070.03016.34
5.4.70.1600.04716.44
5.4.60.2030.03316.17
5.4.50.2000.03016.45
5.4.40.2300.03316.54
5.4.30.2000.03316.56
5.4.20.1970.04016.53
5.4.10.2000.03716.34
5.4.00.2230.04015.75
5.3.290.1230.04314.52
5.3.280.1600.04014.44
5.3.270.2070.04314.55
5.3.260.2330.04014.56
5.3.250.1870.03314.65
5.3.240.2300.04714.46
5.3.230.1930.04014.45
5.3.220.2430.04014.59
5.3.210.2030.04014.55
5.3.200.2100.03314.42
5.3.190.1870.03314.52
5.3.180.2100.03714.41
5.3.170.2100.03314.53
5.3.160.1870.04314.52
5.3.150.2130.04014.40
5.3.140.2900.03014.51
5.3.130.1900.03314.57
5.3.120.1900.04314.60
5.3.110.2070.04714.38
5.3.100.2030.04014.14
5.3.90.2330.04313.97
5.3.80.2200.04013.95
5.3.70.2300.03713.79
5.3.60.2200.03013.86
5.3.50.2030.03313.89
5.3.40.1900.03713.72
5.3.30.1830.04014.00
5.3.20.2300.04313.60
5.3.10.2200.03313.64
5.3.00.2130.03713.51
5.2.170.1970.03011.00
5.2.160.1830.03311.03
5.2.150.1730.02711.05
5.2.140.1970.03311.19
5.2.130.1670.03310.94
5.2.120.1430.03010.93
5.2.110.1700.02710.94
5.2.100.1870.03710.94
5.2.90.1670.03311.04
5.2.80.1800.03310.96
5.2.70.1700.02310.95
5.2.60.1970.03310.95
5.2.50.1630.03010.88
5.2.40.1400.04010.93
5.2.30.1400.02710.91
5.2.20.1530.03010.80
5.2.10.1630.02710.83
5.2.00.1030.03710.77
5.1.60.1530.0279.93
5.1.50.1670.01710.00
5.1.40.1570.0239.87
5.1.30.1570.02710.50
5.1.20.1670.03010.32
5.1.10.1600.02710.04
5.1.00.1630.02710.11
5.0.50.0930.0278.45
5.0.40.0700.0208.57
5.0.30.0770.0378.23
5.0.20.0700.0208.09
5.0.10.0800.0208.25
5.0.00.0870.0438.06
4.4.90.0930.0207.57
4.4.80.0770.0207.57
4.4.70.0600.0337.57
4.4.60.0800.0177.57
4.4.50.0900.0237.57
4.4.40.0800.0277.57
4.4.30.0770.0237.57
4.4.20.0700.0137.57
4.4.10.0770.0207.57
4.4.00.0900.0377.57
4.3.110.0770.0207.57
4.3.100.0800.0207.57
4.3.90.0800.0207.57
4.3.80.0900.0377.57
4.3.70.0870.0237.57
4.3.60.0900.0207.57
4.3.50.0970.0237.57
4.3.40.0700.0277.57
4.3.30.0470.0277.57
4.3.20.0370.0237.57
4.3.10.0200.0307.57
4.3.00.0370.0177.57

preferences:
143.17 ms | 939 KiB | 8 Q