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));  ?>   - See more at: http://www.w3resource.com/php-exercises/php-function-exercises.php#sthash.MaMd00mR.dpuf

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)
5.4.310.0070.03812.50
5.4.300.0090.03912.49
5.4.290.0060.03812.49
5.4.280.0080.03612.39
5.4.270.0040.03812.39
5.4.260.0090.03412.39
5.4.250.0040.04012.39
5.4.240.0050.03812.39
5.4.230.0080.05112.38
5.4.220.0060.03512.38
5.4.210.0070.03512.38
5.4.200.0050.03912.38
5.4.190.0090.03312.38
5.4.180.0060.03712.38
5.4.170.0060.03612.39
5.4.160.0070.03512.38
5.4.150.0030.03812.38
5.4.140.0040.03812.07
5.4.130.0060.03512.05
5.4.120.0040.03612.01
5.4.110.0040.03612.01
5.4.100.0060.03312.01
5.4.90.0070.03612.01
5.4.80.0060.03612.01
5.4.70.0030.04212.01
5.4.60.0060.04612.01
5.4.50.0050.04012.00
5.4.40.0100.03611.99
5.4.30.0060.03511.99
5.4.20.0070.03511.99
5.4.10.0080.03211.99
5.4.00.0030.03811.48
5.3.290.0080.03812.80
5.3.280.0070.04412.71
5.3.270.0070.04512.73
5.3.260.0060.03912.72
5.3.250.0060.03712.72
5.3.240.0040.03812.72
5.3.230.0080.03612.71
5.3.220.0050.03912.68
5.3.210.0050.04012.68
5.3.200.0030.04112.68
5.3.190.0090.03812.68
5.3.180.0070.04012.67
5.3.170.0120.05212.67
5.3.160.0080.04212.67
5.3.150.0060.03912.67
5.3.140.0060.03812.66
5.3.130.0070.03712.66
5.3.120.0040.04012.66
5.3.110.0050.03912.66
5.3.100.0060.03812.12
5.3.90.0040.03812.08
5.3.80.0050.03912.07
5.3.70.0060.04012.07
5.3.60.0050.03912.06
5.3.50.0040.03712.00
5.3.40.0100.03212.00
5.3.30.0070.04911.95
5.3.20.0040.03911.73
5.3.10.0090.03411.70
5.3.00.0040.04111.68
5.2.170.0050.0299.18
5.2.160.0050.0289.18
5.2.150.0060.0319.18
5.2.140.0010.0349.18
5.2.130.0060.0279.14
5.2.120.0020.0309.14
5.2.110.0050.0299.14
5.2.100.0030.0309.14
5.2.90.0040.0299.14
5.2.80.0070.0279.14
5.2.70.0050.0299.14
5.2.60.0040.0309.09
5.2.50.0070.0289.05
5.2.40.0070.0299.03
5.2.30.0050.0329.02
5.2.20.0020.0309.00
5.2.10.0070.0248.93
5.2.00.0030.0308.79
5.1.60.0030.0248.06
5.1.50.0060.0228.06
5.1.40.0020.0268.05
5.1.30.0050.0248.40
5.1.20.0070.0238.42
5.1.10.0030.0268.14
5.1.00.0050.0248.14
5.0.50.0040.0206.63
5.0.40.0040.0186.48
5.0.30.0030.0326.29
5.0.20.0020.0206.26
5.0.10.0000.0236.23
5.0.00.0020.0416.23
4.4.90.0020.0154.78
4.4.80.0020.0154.75
4.4.70.0010.0164.76
4.4.60.0020.0164.75
4.4.50.0040.0164.77
4.4.40.0000.0314.71
4.4.30.0050.0194.75
4.4.20.0030.0224.85
4.4.10.0020.0234.85
4.4.00.0030.0264.76
4.3.110.0040.0154.67
4.3.100.0000.0184.66
4.3.90.0020.0154.63
4.3.80.0020.0264.59
4.3.70.0020.0244.63
4.3.60.0050.0194.63
4.3.50.0030.0234.63
4.3.40.0050.0314.53
4.3.30.0030.0203.28
4.3.20.0030.0213.26
4.3.10.0000.0233.22
4.3.00.0200.0177.11

preferences:
148.21 ms | 1394 KiB | 7 Q