3v4l.org

run code in 300+ PHP versions simultaneously
<?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)
8.3.60.0070.00716.50
8.3.50.0110.00622.82
8.3.40.0040.01118.75
8.3.30.0130.00718.96
8.3.20.0000.00720.26
8.3.10.0060.00321.77
8.3.00.0040.00417.50
8.2.180.0140.01016.50
8.2.170.0140.00022.96
8.2.160.0120.00420.35
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0100.01026.16
8.2.120.0090.00021.16
8.2.110.0040.01420.57
8.2.100.0110.00017.78
8.2.90.0040.00419.09
8.2.80.0030.00617.97
8.2.70.0050.00317.50
8.2.60.0030.00617.80
8.2.50.0060.00318.07
8.2.40.0030.00518.16
8.2.30.0070.00017.80
8.2.20.0040.00417.59
8.2.10.0030.00318.00
8.2.00.0000.00717.53
8.1.280.0120.00325.92
8.1.270.0050.00523.91
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0040.00423.97
8.1.230.0080.00417.45
8.1.220.0090.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00617.10
8.1.190.0000.00716.98
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0000.00821.96
8.1.150.0000.00718.61
8.1.140.0000.00817.19
8.1.130.0030.00317.66
8.1.120.0040.00317.32
8.1.110.0040.00417.30
8.1.100.0040.00417.28
8.1.90.0000.00717.29
8.1.80.0030.00317.30
8.1.70.0030.00317.26
8.1.60.0000.00817.39
8.1.50.0080.00017.26
8.1.40.0030.00617.42
8.1.30.0040.00417.53
8.1.20.0000.00717.38
8.1.10.0040.00417.50
8.1.00.0070.00017.26
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.27
8.0.270.0060.00317.29
8.0.260.0000.00717.05
8.0.250.0030.00316.84
8.0.240.0030.00316.71
8.0.230.0030.00316.74
8.0.220.0040.00416.73
8.0.210.0030.00516.75
8.0.200.0000.00616.88
8.0.190.0040.00416.70
8.0.180.0050.00216.70
8.0.170.0030.00516.86
8.0.160.0030.00616.75
8.0.150.0040.00416.73
8.0.140.0060.00316.59
8.0.130.0030.00313.32
8.0.120.0040.00416.74
8.0.110.0070.00016.62
8.0.100.0040.00416.61
8.0.90.0000.00816.80
8.0.80.0100.00716.68
8.0.70.0070.00016.59
8.0.60.0000.00716.64
8.0.50.0040.00416.72
8.0.30.0050.01416.93
8.0.20.0170.01417.40
8.0.10.0040.00416.82
8.0.00.0090.01116.53
7.4.330.0020.00215.00
7.4.320.0000.00616.45
7.4.300.0000.00716.41
7.4.290.0040.00416.38
7.4.280.0060.00316.31
7.4.270.0080.00016.46
7.4.260.0040.00416.33
7.4.250.0070.00016.43
7.4.240.0030.00316.41
7.4.230.0070.00016.53
7.4.220.0150.00316.54
7.4.210.0030.01016.39
7.4.200.0000.00716.54
7.4.160.0090.00616.43
7.4.150.0070.01017.40
7.4.140.0160.00517.86
7.4.130.0100.00716.35
7.4.120.0080.00916.32
7.4.110.0100.00716.57
7.4.100.0030.01416.41
7.4.90.0100.00716.18
7.4.80.0160.00419.39
7.4.70.0090.00816.35
7.4.60.0060.01316.23
7.4.50.0020.00216.47
7.4.40.0060.00916.40
7.4.30.0080.00816.17
7.3.330.0050.00312.98
7.3.320.0030.00313.23
7.3.310.0030.00316.14
7.3.300.0070.00016.12
7.3.290.0030.01016.15
7.3.280.0060.00916.14
7.3.270.0090.00617.40
7.3.260.0100.00616.52
7.3.250.0100.00716.28
7.3.240.0000.01616.50
7.3.230.0130.00416.39
7.3.210.0080.00816.10
7.3.200.0130.01019.39
7.3.190.0000.02116.34
7.3.180.0130.00316.35
7.3.170.0070.00716.27
7.3.160.0040.01216.34
7.2.330.0120.00516.60
7.2.320.0090.00816.23
7.2.310.0040.01316.28
7.2.300.0090.00616.39
7.2.290.0120.00916.39
5.4.320.0050.03812.45
5.4.310.0070.04512.45
5.4.300.0060.04512.45
5.4.290.0090.04412.45
5.4.280.0070.04612.34
5.4.270.0060.04312.35
5.4.260.0070.04212.35
5.4.250.0060.04912.34
5.4.240.0050.03912.35
5.4.230.0070.03712.34
5.4.220.0070.03912.34
5.4.210.0050.03612.34
5.4.200.0060.03812.34
5.4.190.0060.03612.33
5.4.180.0070.03712.33
5.4.170.0080.03512.34
5.4.160.0050.03612.34
5.4.150.0050.03612.34
5.4.140.0070.03812.02
5.4.130.0080.03712.01
5.4.120.0040.03811.96
5.4.110.0070.04211.96
5.4.100.0080.03411.96
5.4.90.0070.03611.96
5.4.80.0080.03611.96
5.4.70.0070.03411.96
5.4.60.0050.04011.96
5.4.50.0080.03411.96
5.4.40.0070.03611.95
5.4.30.0060.03711.95
5.4.20.0040.03811.95
5.4.10.0040.03711.95
5.4.00.0070.03511.44

preferences:
43.15 ms | 401 KiB | 5 Q