3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php  function factorial_of_a_number($n)  {    if($n ==0)      {         return 1;      }    else       {            return $n * factorial_of_a_number($n-1);      }      }  print_r(factorial_of_a_number(4));  ?>

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)
5.4.310.0040.04412.49
5.4.300.0060.04012.50
5.4.290.0040.04012.50
5.4.280.0050.03612.39
5.4.270.0030.04112.39
5.4.260.0060.03812.39
5.4.250.0040.04312.39
5.4.240.0090.03312.39
5.4.230.0060.03712.38
5.4.220.0060.03612.38
5.4.210.0070.04912.38
5.4.200.0090.05012.38
5.4.190.0110.04612.38
5.4.180.0070.03812.38
5.4.170.0090.03612.38
5.4.160.0090.04612.38
5.4.150.0090.03512.38
5.4.140.0040.03912.07
5.4.130.0060.03612.05
5.4.120.0100.03612.02
5.4.110.0070.04512.01
5.4.100.0070.03312.01
5.4.90.0070.03912.01
5.4.80.0100.03412.01
5.4.70.0090.03212.01
5.4.60.0060.03512.00
5.4.50.0060.03912.00
5.4.40.0050.03911.99
5.4.30.0060.03511.99
5.4.20.0060.03411.99
5.4.10.0060.04011.99
5.4.00.0060.05611.49
5.3.290.0080.03812.80
5.3.280.0080.04912.71
5.3.270.0050.04112.73
5.3.260.0070.04512.72
5.3.250.0090.03812.72
5.3.240.0060.03712.72
5.3.230.0090.04312.71
5.3.220.0080.03512.68
5.3.210.0040.04012.68
5.3.200.0050.03712.68
5.3.190.0070.04212.68
5.3.180.0040.04012.68
5.3.170.0050.04012.67
5.3.160.0030.04012.67
5.3.150.0070.03612.67
5.3.140.0080.03412.66
5.3.130.0070.03612.66
5.3.120.0060.04012.66
5.3.110.0070.04312.66
5.3.100.0070.03512.12
5.3.90.0090.04412.09
5.3.80.0080.05512.07
5.3.70.0080.04312.07
5.3.60.0050.03712.07
5.3.50.0060.03612.00
5.3.40.0040.03812.00
5.3.30.0080.03711.95
5.3.20.0110.03811.73
5.3.10.0070.04811.70
5.3.00.0050.03811.68
5.2.170.0080.0289.18
5.2.160.0050.0299.18
5.2.150.0050.0379.18
5.2.140.0060.0419.18
5.2.130.0050.0429.14
5.2.120.0080.0389.14
5.2.110.0100.0559.15
5.2.100.0120.0389.14
5.2.90.0050.0419.14
5.2.80.0040.0319.14
5.2.70.0060.0429.14
5.2.60.0080.0399.09
5.2.50.0070.0409.05
5.2.40.0080.0379.03
5.2.30.0040.0419.01
5.2.20.0030.0309.00
5.2.10.0060.0268.93
5.2.00.0070.0318.79
5.1.60.0040.0328.07
5.1.50.0030.0268.06
5.1.40.0030.0268.05
5.1.30.0090.0248.40
5.1.20.0050.0398.42
5.1.10.0060.0258.14
5.1.00.0040.0288.14
5.0.50.0050.0276.63
5.0.40.0080.0296.48
5.0.30.0070.0426.29
5.0.20.0040.0286.27
5.0.10.0070.0276.23
5.0.00.0070.0376.23
4.4.90.0050.0204.78
4.4.80.0020.0174.76
4.4.70.0010.0194.76
4.4.60.0020.0154.76
4.4.50.0020.0154.77
4.4.40.0040.0234.71
4.4.30.0040.0144.76
4.4.20.0030.0154.85
4.4.10.0030.0154.84
4.4.00.0020.0254.76
4.3.110.0040.0144.67
4.3.100.0020.0164.66
4.3.90.0010.0164.63
4.3.80.0020.0254.58
4.3.70.0020.0164.63
4.3.60.0030.0144.63
4.3.50.0010.0174.63
4.3.40.0040.0234.54
4.3.30.0020.0163.28
4.3.20.0020.0223.26
4.3.10.0010.0183.22
4.3.00.0070.01315.91

preferences:
134.51 ms | 1394 KiB | 7 Q