3v4l.org

run code in 300+ PHP versions simultaneously
<?php class T { public function x(){ return true; } public function y(){ return self::x(); } } var_dump(T::x()); class X { public function x(){ return true; } public function y(){ return self::x(); } } var_dump(X:x());

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)
8.3.40.0070.01418.82
8.3.30.0070.00718.84
8.3.20.0000.00818.55
8.3.10.0080.00021.00
8.3.00.0030.00521.90
8.2.170.0090.00922.96
8.2.160.0100.00320.55
8.2.150.0000.00824.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00719.64
8.2.110.0060.00322.07
8.2.100.0100.00018.90
8.1.270.0050.00323.99
8.1.260.0000.00826.35
8.1.250.0060.00328.09
8.1.240.0100.00018.45
8.1.230.0070.00318.61
5.4.200.1530.04319.07
5.4.190.1570.03718.98
5.4.180.1470.04318.74
5.4.170.1670.04019.25
5.4.160.1630.03719.01
5.4.150.1570.04019.14
5.4.140.1800.04016.57
5.4.130.1800.04316.56
5.4.120.1730.05016.38
5.4.110.1530.03716.30
5.4.100.1570.03316.26
5.4.90.1500.03716.62
5.4.80.1700.03016.49
5.4.70.1770.03716.59
5.4.60.1800.02716.49
5.4.50.1770.04016.23
5.4.40.1730.04716.43
5.4.30.1830.03716.53
5.4.20.1530.03316.25
5.4.10.1700.04716.48
5.4.00.1800.04015.73
5.3.270.1470.04714.85
5.3.260.1500.03714.59
5.3.250.1770.04014.64
5.3.240.1670.03014.61
5.3.230.1700.04314.59
5.3.220.1770.04314.56
5.3.210.1400.04314.54
5.3.200.1770.04314.65
5.3.190.1500.03714.47
5.3.180.1670.04714.54
5.3.170.1700.04714.49
5.3.160.1630.03014.54
5.3.150.1770.04314.54
5.3.140.1730.04314.64
5.3.130.1700.04314.64
5.3.120.1770.04014.52
5.3.110.1470.04014.70
5.3.100.1630.02714.02
5.3.90.1530.03314.04
5.3.80.1770.03714.14
5.3.70.1600.03014.00
5.3.60.1630.04713.92
5.3.50.1530.03013.88
5.3.40.1800.04314.00
5.3.30.1670.03313.96
5.3.20.1700.04313.84
5.3.10.1730.04013.68
5.3.00.1770.04013.58

preferences:
35.67 ms | 400 KiB | 5 Q