3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ( $a = 2, $b = 4; ++$a, $result = $a *= $b ); ) { break; } var_dump($result);

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)
5.4.310.0050.03912.50
5.4.300.0060.03612.50
5.4.290.0060.03712.49
5.4.280.0050.03512.39
5.4.270.0060.03712.39
5.4.260.0090.03912.39
5.4.250.0030.04212.39
5.4.240.0040.03912.39
5.4.230.0080.03612.38
5.4.220.0100.03212.38
5.4.210.0060.03612.38
5.4.200.0050.03812.38
5.4.190.0050.03712.38
5.4.180.0060.03612.38
5.4.170.0060.03612.38
5.4.160.0030.03912.38
5.4.150.0080.03412.38
5.4.140.0040.03912.07
5.4.130.0090.03212.05
5.4.120.0070.03312.01
5.4.110.0060.03612.01
5.4.100.0060.03512.01
5.4.90.0080.04412.02
5.4.80.0080.03512.01
5.4.70.0060.03412.00
5.4.60.0100.03112.01
5.4.50.0050.03612.01
5.4.40.0070.05012.00
5.4.30.0050.05011.99
5.4.20.0130.03411.99
5.4.10.0050.03611.99
5.4.00.0110.03411.48
5.3.280.0050.03912.71
5.3.270.0080.03712.73
5.3.260.0090.03712.72
5.3.250.0080.03612.72
5.3.240.0050.03712.72
5.3.230.0040.03912.71
5.3.220.0070.03612.68
5.3.210.0080.03712.68
5.3.200.0070.03712.68
5.3.190.0060.03712.68
5.3.180.0100.03212.67
5.3.170.0030.03912.67
5.3.160.0090.03412.68
5.3.150.0060.03712.68
5.3.140.0020.04012.66
5.3.130.0060.03912.66
5.3.120.0110.04012.66
5.3.110.0050.04012.66
5.3.100.0060.03712.12
5.3.90.0060.04212.08
5.3.80.0060.03512.07
5.3.70.0090.04812.07
5.3.60.0030.04112.06
5.3.50.0090.03312.00
5.3.40.0070.03512.00
5.3.30.0050.03611.95
5.3.20.0100.03111.72
5.3.10.0070.04011.70
5.3.00.0040.03611.68
5.2.170.0080.0269.18
5.2.160.0070.0269.18
5.2.150.0060.0289.18
5.2.140.0020.0329.18
5.2.130.0050.0279.14
5.2.120.0020.0309.14
5.2.110.0070.0299.15
5.2.100.0060.0279.14
5.2.90.0040.0299.14
5.2.80.0110.0249.14
5.2.70.0030.0319.14
5.2.60.0050.0309.09
5.2.50.0040.0489.06
5.2.40.0040.0329.04
5.2.30.0030.0319.01
5.2.20.0060.0279.00
5.2.10.0030.0308.93
5.2.00.0060.0288.78
5.1.60.0020.0268.07
5.1.50.0050.0338.06
5.1.40.0040.0288.05
5.1.30.0050.0268.40
5.1.20.0030.0278.41
5.1.10.0030.0268.14
5.1.00.0030.0278.14
5.0.50.0030.0266.62
5.0.40.0030.0206.48
5.0.30.0030.0316.29
5.0.20.0060.0166.27
5.0.10.0060.0176.24
5.0.00.0040.0306.23
4.4.90.0020.0164.78
4.4.80.0030.0164.75
4.4.70.0020.0184.75
4.4.60.0030.0164.75
4.4.50.0020.0184.77
4.4.40.0000.0284.71
4.4.30.0020.0184.76
4.4.20.0020.0234.84
4.4.10.0010.0174.85
4.4.00.0030.0244.76
4.3.110.0030.0154.67
4.3.100.0020.0154.66
4.3.90.0060.0114.64
4.3.80.0030.0274.58
4.3.70.0040.0204.63
4.3.60.0040.0154.63
4.3.50.0030.0154.63
4.3.40.0060.0254.53
4.3.30.0000.0233.29
4.3.20.0020.0223.27
4.3.10.0040.0203.22
4.3.00.0170.02015.90

preferences:
143.05 ms | 1398 KiB | 7 Q