3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b = 7,56; $a = round($b,2); var_dump($a-$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)
5.4.320.0070.03812.50
5.4.310.0070.04712.49
5.4.300.0070.03912.50
5.4.290.0070.03912.49
5.4.280.0040.03612.39
5.4.270.0070.03412.39
5.4.260.0080.03612.39
5.4.250.0070.03812.39
5.4.240.0060.03512.39
5.4.230.0090.03812.38
5.4.220.0040.03812.38
5.4.210.0030.03712.38
5.4.200.0050.03912.38
5.4.190.0050.03612.38
5.4.180.0060.03412.38
5.4.170.0050.03612.38
5.4.160.0070.03512.38
5.4.150.0050.03512.38
5.4.140.0060.04312.07
5.4.130.0070.03912.05
5.4.120.0030.03912.02
5.4.110.0030.04212.01
5.4.100.0040.03712.01
5.4.90.0050.03712.01
5.4.80.0070.03512.01
5.4.70.0070.03812.01
5.4.60.0040.03512.00
5.4.50.0080.03512.01
5.4.40.0040.04012.00
5.4.30.0040.03711.99
5.4.20.0050.04211.98
5.4.10.0070.03211.99
5.4.00.0070.03411.48
5.3.290.0080.03812.80
5.3.280.0070.03612.71
5.3.270.0060.03812.72
5.3.260.0070.04312.72
5.3.250.0080.03712.72
5.3.240.0070.03512.72
5.3.230.0080.04212.70
5.3.220.0090.03612.68
5.3.210.0060.03912.68
5.3.200.0080.03612.68
5.3.190.0060.04012.68
5.3.180.0060.03812.67
5.3.170.0060.03712.67
5.3.160.0100.03212.67
5.3.150.0030.03912.67
5.3.140.0060.03512.66
5.3.130.0080.04612.66
5.3.120.0070.04212.66
5.3.110.0090.03812.66
5.3.100.0070.03612.12
5.3.90.0050.03812.09
5.3.80.0060.03612.08
5.3.70.0030.03812.07
5.3.60.0040.04212.06
5.3.50.0070.04012.00
5.3.40.0090.03412.00
5.3.30.0040.03411.95
5.3.20.0090.03111.73
5.3.10.0070.03711.70
5.3.00.0080.04011.68
5.2.170.0060.0299.18
5.2.160.0050.0329.18
5.2.150.0040.0309.18
5.2.140.0050.0379.18
5.2.130.0040.0329.14
5.2.120.0070.0259.14
5.2.110.0040.0299.15
5.2.100.0070.0259.14
5.2.90.0050.0279.14
5.2.80.0060.0279.14
5.2.70.0030.0349.14
5.2.60.0050.0299.09
5.2.50.0030.0379.06
5.2.40.0050.0329.04
5.2.30.0050.0369.01
5.2.20.0070.0309.00
5.2.10.0070.0258.93
5.2.00.0040.0308.78
5.1.60.0030.0298.07
5.1.50.0030.0268.06
5.1.40.0060.0298.05
5.1.30.0050.0248.40
5.1.20.0030.0278.42
5.1.10.0040.0258.14
5.1.00.0010.0338.14
5.0.50.0050.0226.62
5.0.40.0060.0256.48
5.0.30.0040.0326.29
5.0.20.0040.0186.27
5.0.10.0050.0196.24
5.0.00.0030.0346.23
4.4.90.0050.0124.78
4.4.80.0010.0184.75
4.4.70.0040.0224.75
4.4.60.0010.0214.75
4.4.50.0030.0154.77
4.4.40.0040.0264.71
4.4.30.0030.0154.76
4.4.20.0030.0214.85
4.4.10.0030.0154.85
4.4.00.0020.0324.76
4.3.110.0010.0174.66
4.3.100.0060.0124.66
4.3.90.0020.0184.64
4.3.80.0050.0254.58
4.3.70.0030.0194.63
4.3.60.0030.0204.63
4.3.50.0000.0174.63
4.3.40.0010.0254.54
4.3.30.0000.0183.28
4.3.20.0030.0213.26
4.3.10.0030.0183.21
4.3.00.0070.01315.63

preferences:
140.99 ms | 1394 KiB | 7 Q