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 print_r($f,TRUE)." // 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)
5.4.320.0120.04612.47
5.4.310.0100.04812.47
5.4.300.0040.03712.47
5.4.290.0050.03912.46
5.4.280.0040.03712.36
5.4.270.0080.03812.36
5.4.260.0060.03812.36
5.4.250.0060.03712.36
5.4.240.0060.03512.36
5.4.230.0030.03912.35
5.4.220.0050.03812.36
5.4.210.0020.03712.36
5.4.200.0070.03512.36
5.4.190.0040.03712.35
5.4.180.0020.04112.35
5.4.170.0040.03712.36
5.4.160.0040.03712.36
5.4.150.0040.03912.35
5.4.140.0080.03412.04
5.4.130.0020.03912.03
5.4.120.0030.03811.99
5.4.110.0060.03711.98
5.4.100.0110.03511.98
5.4.90.0090.05011.99
5.4.80.0070.04511.98
5.4.70.0040.03611.98
5.4.60.0050.03511.98
5.4.50.0040.03611.98
5.4.40.0030.03811.97
5.4.30.0060.03511.96
5.4.20.0060.03511.96
5.4.10.0090.03111.96
5.4.00.0080.03911.46
5.3.290.0090.03812.80
5.3.280.0100.03912.71
5.3.270.0060.03812.73
5.3.260.0050.03912.71
5.3.250.0050.03812.72
5.3.240.0070.03512.72
5.3.230.0060.03812.71
5.3.220.0050.03912.68
5.3.210.0040.04112.68
5.3.200.0040.03812.68
5.3.190.0020.04112.68
5.3.180.0060.03612.68
5.3.170.0090.03212.67
5.3.160.0060.03612.67
5.3.150.0020.04012.67
5.3.140.0070.03412.66
5.3.130.0070.03812.66
5.3.120.0050.03912.66
5.3.110.0090.03612.66
5.3.100.0070.03712.12
5.3.90.0060.04012.08
5.3.80.0030.03812.08
5.3.70.0050.03512.08
5.3.60.0060.03512.06
5.3.50.0080.03412.00
5.3.40.0050.03712.00
5.3.30.0040.03611.95
5.3.20.0090.03111.73
5.3.10.0040.03711.70
5.3.00.0040.03911.68
5.2.170.0050.0299.19
5.2.160.0050.0339.19
5.2.150.0100.0289.18
5.2.140.0090.0439.18
5.2.130.0050.0379.14
5.2.120.0040.0299.14
5.2.110.0050.0299.15
5.2.100.0040.0289.14
5.2.90.0030.0319.15
5.2.80.0070.0289.14
5.2.70.0060.0299.14
5.2.60.0040.0309.09
5.2.50.0050.0299.07
5.2.40.0030.0309.04
5.2.30.0080.0259.02
5.2.20.0050.0289.01
5.2.10.0050.0278.93
5.2.00.0060.0278.79
5.1.60.0050.0228.07
5.1.50.0040.0258.07
5.1.40.0030.0258.05
5.1.30.0040.0268.41
5.1.20.0040.0278.42
5.1.10.0040.0268.15
5.1.00.0020.0278.14
5.0.50.0020.0226.63
5.0.40.0020.0206.49
5.0.30.0020.0336.29
5.0.20.0010.0216.29
5.0.10.0040.0206.27
5.0.00.0050.0346.26
4.4.90.0030.0154.77
4.4.80.0030.0154.76
4.4.70.0020.0164.76
4.4.60.0040.0144.76
4.4.50.0030.0154.77
4.4.40.0030.0254.70
4.4.30.0020.0164.76
4.4.20.0020.0164.84
4.4.10.0020.0184.85
4.4.00.0050.0284.76
4.3.110.0020.0164.67
4.3.100.0030.0154.67
4.3.90.0020.0154.64
4.3.80.0030.0244.58
4.3.70.0030.0144.63
4.3.60.0030.0214.63
4.3.50.0020.0184.63
4.3.40.0020.0254.54
4.3.30.0020.0163.32
4.3.20.0010.0173.29
4.3.10.0020.0163.25
4.3.00.0030.01715.98

preferences:
140.91 ms | 1394 KiB | 7 Q