3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected b; public function a() { return $this->b->b(); } } $impl = new A(); $impl->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)
5.4.320.0160.04212.51
5.4.310.0130.04412.50
5.4.300.0060.04112.50
5.4.290.0100.03712.51
5.4.280.0060.03912.40
5.4.270.0090.03912.40
5.4.260.0090.03612.40
5.4.250.0050.03912.40
5.4.240.0050.03712.40
5.4.230.0040.04012.39
5.4.220.0050.03612.39
5.4.210.0100.03612.39
5.4.200.0090.04612.39
5.4.190.0090.03712.39
5.4.180.0070.03712.39
5.4.170.0050.03912.40
5.4.160.0090.03412.39
5.4.150.0060.03612.39
5.4.140.0060.03712.08
5.4.130.0060.03512.06
5.4.120.0060.03512.03
5.4.110.0070.04812.02
5.4.100.0040.03712.02
5.4.90.0030.03912.02
5.4.80.0030.03912.02
5.4.70.0100.04112.02
5.4.60.0080.03812.02
5.4.50.0060.03612.02
5.4.40.0060.04712.01
5.4.30.0070.04212.00
5.4.20.0040.04212.00
5.4.10.0070.04512.00
5.4.00.0070.03611.50
5.3.290.0080.03612.80
5.3.280.0020.04812.71
5.3.270.0060.03812.73
5.3.260.0060.03812.72
5.3.250.0080.03412.72
5.3.240.0090.03612.72
5.3.230.0050.04112.71
5.3.220.0090.03312.68
5.3.210.0100.03712.68
5.3.200.0080.03712.68
5.3.190.0060.04412.68
5.3.180.0090.05012.67
5.3.170.0090.04212.67
5.3.160.0090.04112.67
5.3.150.0050.03712.67
5.3.140.0060.03712.66
5.3.130.0070.03712.66
5.3.120.0070.03712.66
5.3.110.0080.03612.66
5.3.100.0080.04512.12
5.3.90.0080.03412.10
5.3.80.0080.03612.09
5.3.70.0090.04012.09
5.3.60.0050.03812.07
5.3.50.0070.03412.02
5.3.40.0080.03412.02
5.3.30.0070.03411.98
5.3.20.0060.03611.75
5.3.10.0070.03311.73
5.3.00.0070.03511.71
5.2.170.0040.0329.21
5.2.160.0030.0309.21
5.2.150.0050.0299.21
5.2.140.0050.0309.21
5.2.130.0050.0289.17
5.2.120.0050.0279.17
5.2.110.0020.0319.18
5.2.100.0040.0289.17
5.2.90.0030.0309.17
5.2.80.0040.0329.17
5.2.70.0050.0299.17
5.2.60.0040.0309.13
5.2.50.0050.0309.09
5.2.40.0040.0299.07
5.2.30.0090.0269.04
5.2.20.0080.0279.03
5.2.10.0060.0268.94
5.2.00.0050.0318.80
5.1.60.0050.0328.09
5.1.50.0050.0248.08
5.1.40.0050.0238.06
5.1.30.0040.0258.42
5.1.20.0030.0278.43
5.1.10.0020.0278.16
5.1.00.0060.0238.16
5.0.50.0040.0206.64
5.0.40.0030.0196.49
5.0.30.0020.0346.31
5.0.20.0040.0186.28
5.0.10.0020.0216.25
5.0.00.0030.0336.25
4.4.90.0040.0224.77
4.4.80.0050.0134.75
4.4.70.0040.0174.76
4.4.60.0040.0144.75
4.4.50.0030.0154.77
4.4.40.0060.0224.71
4.4.30.0040.0144.75
4.4.20.0010.0174.84
4.4.10.0030.0154.85
4.4.00.0030.0274.76
4.3.110.0060.0134.67
4.3.100.0030.0154.67
4.3.90.0040.0144.63
4.3.80.0040.0244.59
4.3.70.0020.0154.63
4.3.60.0040.0144.63
4.3.50.0020.0184.63
4.3.40.0030.0254.54
4.3.30.0010.0243.30
4.3.20.0030.0153.28
4.3.10.0030.0193.23
4.3.00.0100.01319.45

preferences:
142.81 ms | 1394 KiB | 7 Q