3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 4121.57;$b = 3998;$c = 123.57;$d = round( $a - $b - $c, 2);$e = round( $d, 2 );$f = e === 0; echo "\n";echo str_pad(print_r($d,TRUE),4,' ')." // NEGATIVE ZERO?"."\n";echo str_pad(print_r($e,TRUE),4,' ')." // Don't worry, it rounds to zero! -_-"."\n";echo str_pad(print_r($f,TRUE),4,' ')." // huh?

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)
5.4.320.0040.03812.47
5.4.310.0070.03712.47
5.4.300.0080.03712.47
5.4.290.0050.04012.46
5.4.280.0090.03312.36
5.4.270.0040.03812.36
5.4.260.0080.03712.36
5.4.250.0040.04112.36
5.4.240.0050.03812.36
5.4.230.0050.03812.36
5.4.220.0080.04012.35
5.4.210.0080.03512.36
5.4.200.0050.03812.35
5.4.190.0050.03712.35
5.4.180.0050.03812.35
5.4.170.0060.03612.36
5.4.160.0070.03512.36
5.4.150.0080.03512.35
5.4.140.0080.03512.04
5.4.130.0050.03612.03
5.4.120.0050.03611.99
5.4.110.0060.03511.98
5.4.100.0080.03411.98
5.4.90.0040.03911.98
5.4.80.0050.03611.98
5.4.70.0070.03411.98
5.4.60.0050.03511.98
5.4.50.0080.03211.98
5.4.40.0050.04011.97
5.4.30.0090.04111.96
5.4.20.0070.03911.96
5.4.10.0060.03411.96
5.4.00.0070.03511.46
5.3.290.0080.03812.80
5.3.280.0090.03712.71
5.3.270.0040.04312.72
5.3.260.0070.03912.72
5.3.250.0080.03812.72
5.3.240.0090.03612.72
5.3.230.0080.04312.71
5.3.220.0080.03612.68
5.3.210.0040.04112.68
5.3.200.0080.03512.68
5.3.190.0100.03412.68
5.3.180.0050.03812.68
5.3.170.0080.03512.67
5.3.160.0050.03812.67
5.3.150.0050.03812.67
5.3.140.0050.03712.66
5.3.130.0070.03912.65
5.3.120.0050.03912.66
5.3.110.0070.04012.66
5.3.100.0070.03612.12
5.3.90.0080.03612.09
5.3.80.0070.03612.08
5.3.70.0050.03712.07
5.3.60.0040.03812.06
5.3.50.0060.03612.00
5.3.40.0070.03612.00
5.3.30.0080.03311.95
5.3.20.0040.03611.73
5.3.10.0060.03811.70
5.3.00.0060.03611.69
5.2.170.0030.0329.18
5.2.160.0040.0309.18
5.2.150.0020.0329.19
5.2.140.0050.0309.18
5.2.130.0020.0309.14
5.2.120.0040.0289.14
5.2.110.0040.0299.15
5.2.100.0050.0289.14
5.2.90.0050.0299.15
5.2.80.0040.0319.14
5.2.70.0050.0299.14
5.2.60.0050.0299.10
5.2.50.0070.0279.06
5.2.40.0020.0309.04
5.2.30.0040.0299.02
5.2.20.0040.0299.01
5.2.10.0060.0278.93
5.2.00.0050.0298.79
5.1.60.0060.0238.08
5.1.50.0040.0248.07
5.1.40.0020.0258.05
5.1.30.0040.0278.40
5.1.20.0020.0288.42
5.1.10.0040.0268.15
5.1.00.0040.0268.15
5.0.50.0040.0226.63
5.0.40.0030.0206.50
5.0.30.0040.0346.31
5.0.20.0040.0186.30
5.0.10.0040.0216.28
5.0.00.0050.0286.27
4.4.90.0020.0154.78
4.4.80.0040.0144.75
4.4.70.0020.0184.76
4.4.60.0020.0154.76
4.4.50.0040.0134.77
4.4.40.0020.0254.71
4.4.30.0020.0164.76
4.4.20.0020.0164.85
4.4.10.0040.0164.85
4.4.00.0020.0264.76
4.3.110.0040.0164.67
4.3.100.0030.0144.66
4.3.90.0030.0144.63
4.3.80.0030.0244.58
4.3.70.0020.0164.63
4.3.60.0020.0154.62
4.3.50.0040.0154.63
4.3.40.0040.0254.54
4.3.30.0020.0163.33
4.3.20.0020.0163.30
4.3.10.0020.0163.25
4.3.00.0030.02015.98

preferences:
143.89 ms | 1398 KiB | 7 Q