3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Changement de classe à la volée class A { function change() { $this = new B(); } } class B { } $test = new A(); echo "test is class ".get_class($test)."\n"; $test->change(); echo "test is class ".get_class($test)."\n";

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)
5.4.260.0050.03812.37
5.4.250.0070.04912.37
5.4.240.0030.03912.37
5.4.230.0060.03812.36
5.4.220.0040.03712.36
5.4.210.0020.03812.36
5.4.200.0050.04612.36
5.4.190.0080.03412.36
5.4.180.0110.03012.36
5.4.170.0080.03312.37
5.4.160.0100.03212.36
5.4.150.0060.03612.36
5.4.140.0070.03512.04
5.4.130.0060.04312.03
5.4.120.0050.04811.98
5.4.110.0050.04811.99
5.4.100.0040.04211.99
5.4.90.0070.05111.98
5.4.80.0070.04411.98
5.4.70.0080.04711.98
5.4.60.0070.04711.98
5.4.50.0090.04211.98
5.4.40.0040.03711.97
5.4.30.0030.05211.97
5.4.20.0060.04911.96
5.4.10.0050.04811.96
5.4.00.0050.03711.46
5.3.280.0070.03612.71
5.3.270.0030.04212.73
5.3.260.0060.03912.72
5.3.250.0070.03612.72
5.3.240.0060.03612.72
5.3.230.0070.04212.71
5.3.220.0050.04212.68
5.3.210.0060.03912.68
5.3.200.0070.03612.68
5.3.190.0080.03912.68
5.3.180.0050.04412.68
5.3.170.0090.04812.67
5.3.160.0080.04812.67
5.3.150.0090.03412.68
5.3.140.0050.03712.66
5.3.130.0030.04112.66
5.3.120.0040.03912.66
5.3.110.0040.04012.66
5.3.100.0030.04012.12
5.3.90.0060.03612.08
5.3.80.0070.03812.07
5.3.70.0040.03912.08
5.3.60.0070.03612.07
5.3.50.0070.05112.00
5.3.40.0060.03412.00
5.3.30.0040.03511.94
5.3.20.0060.03411.72
5.3.10.0050.03411.68
5.3.00.0030.03811.67
5.2.170.0050.0299.17
5.2.160.0040.0299.17
5.2.150.0030.0319.17
5.2.140.0050.0299.16
5.2.130.0040.0289.13
5.2.120.0020.0309.13
5.2.110.0040.0339.14
5.2.100.0040.0309.13
5.2.90.0030.0299.13
5.2.80.0060.0409.13
5.2.70.0070.0399.12
5.2.60.0060.0409.08
5.2.50.0060.0339.04
5.2.40.0040.0299.02
5.2.30.0030.0319.00
5.2.20.0010.0329.00
5.2.10.0050.0278.89
5.2.00.0020.0338.76
5.1.60.0050.0238.04
5.1.50.0050.0248.04
5.1.40.0030.0258.02
5.1.30.0060.0268.38
5.1.20.0050.0268.40
5.1.10.0040.0268.12
5.1.00.0070.0238.11
5.0.50.0030.0216.59
5.0.40.0040.0216.45
5.0.30.0050.0296.27
5.0.20.0040.0196.25
5.0.10.0030.0246.21
5.0.00.0060.0376.20
4.4.90.0040.0204.78
4.4.80.0060.0184.76
4.4.70.0040.0204.76
4.4.60.0050.0154.76
4.4.50.0010.0174.77
4.4.40.0040.0254.71
4.4.30.0030.0154.76
4.4.20.0030.0154.85
4.4.10.0020.0184.85
4.4.00.0010.0264.76
4.3.110.0030.0154.67
4.3.100.0020.0174.66
4.3.90.0030.0144.63
4.3.80.0010.0284.58
4.3.70.0040.0154.63
4.3.60.0050.0124.63
4.3.50.0030.0164.63
4.3.40.0030.0264.54
4.3.30.0020.0163.29
4.3.20.0020.0163.27
4.3.10.0000.0223.23
4.3.00.0030.0237.27

preferences:
141.59 ms | 1386 KiB | 7 Q