3v4l.org

run code in 300+ PHP versions simultaneously
<?php (echo 'a', 'b';) (echo 'a'; echo 'b';) (echo 'a' . 'b';)

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)
5.4.340.0110.03412.01
5.4.320.0050.03812.50
5.4.310.0070.03712.50
5.4.300.0070.03512.49
5.4.290.0060.03712.49
5.4.280.0060.03412.39
5.4.270.0100.03012.39
5.4.260.0080.03412.39
5.4.250.0050.03712.39
5.4.240.0050.03612.39
5.4.230.0050.03712.38
5.4.220.0040.03712.38
5.4.210.0040.03712.38
5.4.200.0070.03612.38
5.4.190.0040.03612.38
5.4.180.0050.03612.38
5.4.170.0050.03612.39
5.4.160.0080.03212.38
5.4.150.0050.03612.38
5.4.140.0020.04012.07
5.4.130.0090.03212.05
5.4.120.0060.03412.02
5.4.110.0070.03312.01
5.4.100.0040.03612.01
5.4.90.0060.04212.01
5.4.80.0070.03412.01
5.4.70.0050.03412.00
5.4.60.0060.03312.01
5.4.50.0050.03512.01
5.4.40.0040.03612.00
5.4.30.0080.03211.99
5.4.20.0090.03211.99
5.4.10.0090.03112.00
5.4.00.0050.03511.48
5.3.290.0060.03912.80
5.3.280.0060.03712.71
5.3.270.0070.04012.73
5.3.260.0080.04312.72
5.3.250.0070.03412.72
5.3.240.0060.03512.72
5.3.230.0060.03512.71
5.3.220.0080.03412.68
5.3.210.0080.03512.68
5.3.200.0090.04012.68
5.3.190.0070.03712.67
5.3.180.0070.04112.67
5.3.170.0070.04312.67
5.3.160.0070.03512.67
5.3.150.0040.03912.67
5.3.140.0070.03512.66
5.3.130.0070.03912.65
5.3.120.0090.03712.66
5.3.110.0040.04112.66
5.3.100.0090.03612.12
5.3.90.0050.03912.09
5.3.80.0050.03812.07
5.3.70.0060.03712.07
5.3.60.0050.03912.06
5.3.50.0080.03312.00
5.3.40.0050.03712.00
5.3.30.0080.03311.95
5.3.20.0040.03711.73
5.3.10.0060.03411.70
5.3.00.0050.03611.68
5.2.170.0060.0289.18
5.2.160.0080.0249.18
5.2.150.0050.0299.18
5.2.140.0040.0369.18
5.2.130.0040.0309.14
5.2.120.0040.0289.14
5.2.110.0040.0299.14
5.2.100.0040.0299.14
5.2.90.0060.0279.14
5.2.80.0050.0299.14
5.2.70.0030.0319.14
5.2.60.0030.0329.09
5.2.50.0040.0309.05
5.2.40.0050.0289.03
5.2.30.0050.0299.02
5.2.20.0090.0249.00
5.2.10.0050.0268.93
5.2.00.0040.0288.79
5.1.60.0050.0268.07
5.1.50.0050.0318.06
5.1.40.0040.0248.05
5.1.30.0050.0258.40
5.1.20.0050.0308.42
5.1.10.0040.0288.14
5.1.00.0040.0288.14
5.0.50.0030.0236.63
5.0.40.0040.0206.48
5.0.30.0040.0326.29
5.0.20.0030.0206.27
5.0.10.0040.0186.24
5.0.00.0050.0296.23
4.4.90.0020.0154.78
4.4.80.0010.0164.76
4.4.70.0010.0164.76
4.4.60.0030.0154.76
4.4.50.0010.0164.77
4.4.40.0030.0254.71
4.4.30.0030.0154.76
4.4.20.0050.0144.84
4.4.10.0030.0164.85
4.4.00.0030.0254.76
4.3.110.0010.0234.67
4.3.100.0010.0204.67
4.3.90.0010.0204.64
4.3.80.0030.0234.58
4.3.70.0050.0124.63
4.3.60.0020.0154.63
4.3.50.0020.0164.63
4.3.40.0010.0254.54
4.3.30.0020.0173.29
4.3.20.0000.0173.26
4.3.10.0010.0163.21
4.3.00.0130.0207.15

preferences:
138.65 ms | 1394 KiB | 7 Q