3v4l.org

run code in 300+ PHP versions simultaneously
<?phpfunction oddprod( $l, $h ){ $p = 1; !( $l % 2 ) or $l++; !( $h % 2 ) or $h++; while( $l <= $h ) { $p *= $l; $l += 2; } return $p;}function factorial( $n ){ $f = 1; for( $i = 1; $i < $n; $i++ ) $f *= oddprod( 3, 2 ** ($i + 1) - 1 ); return 2 ** (2 ** $n - 1) * $f;}print factorial( 15 );

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)
8.3.60.0140.00718.43
8.3.50.0150.00822.05
8.3.40.0060.00918.54
8.3.30.0140.00019.01
8.3.20.0040.00420.21
8.3.10.0000.00820.54
8.3.00.0050.00319.26
8.2.180.0110.00716.32
8.2.170.0100.00722.96
8.2.160.0130.00020.53
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00322.18
8.2.110.0140.00722.10
8.2.100.0080.00317.66
8.2.90.0000.00819.09
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0000.00817.80
8.2.50.0050.00318.07
8.2.40.0070.00018.03
8.2.30.0080.00319.41
8.2.20.0000.00817.55
8.2.10.0040.00417.80
8.2.00.0040.00417.59
8.1.280.0090.00625.92
8.1.270.0050.00322.15
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0170.00323.75
8.1.230.0070.00319.10
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0070.00417.00
8.1.190.0000.00816.98
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0040.00421.97
8.1.150.0030.00518.78
8.1.140.0070.00017.32
8.1.130.0000.00717.74
8.1.120.0040.00417.34
8.1.110.0050.00317.35
8.1.100.0030.00517.38
8.1.90.0000.00717.22
8.1.80.0070.00017.31
8.1.70.0030.00317.23
8.1.60.0080.00017.30
8.1.50.0030.00617.37
8.1.40.0040.00417.35
8.1.30.0030.00617.54
8.1.20.0000.00717.52
8.1.10.0050.00317.41
8.1.00.0040.00417.39
8.0.300.0030.00518.77
8.0.290.0040.00416.63
8.0.280.0000.00718.36
8.0.270.0000.00817.05
8.0.260.0060.00017.10
8.0.250.0070.00016.71
8.0.240.0040.00416.71
8.0.230.0030.00316.77
8.0.220.0000.00716.77
8.0.210.0030.00316.62
8.0.200.0000.00616.86
8.0.190.0000.00716.70
8.0.180.0000.00716.76
8.0.170.0000.00816.67
8.0.160.0030.00316.68
8.0.150.0000.00716.61
8.0.140.0000.00816.59
8.0.130.0090.00013.40
8.0.120.0040.00416.61
8.0.110.0040.00416.68
8.0.100.0040.00416.62
8.0.90.0000.00716.64
8.0.80.0120.00316.74
8.0.70.0040.00416.71
8.0.60.0000.00816.61
8.0.50.0000.00716.70
8.0.30.0070.01316.99
8.0.20.0090.01217.40
8.0.10.0030.00516.76
8.0.00.0110.00716.76
7.4.330.0000.00515.20
7.4.320.0020.00516.41
7.4.300.0060.00016.50
7.4.290.0070.00016.50
7.4.280.0070.00016.45
7.4.270.0000.00616.46
7.4.260.0000.00716.34
7.4.250.0050.00216.43
7.4.240.0000.00716.40
7.4.230.0030.00516.36
7.4.220.0060.01616.39
7.4.210.0120.00916.37
7.4.200.0070.00016.53
7.4.160.0090.00616.29
7.4.150.0110.00617.40
7.4.140.0130.00817.86
7.4.130.0080.00816.38
7.4.120.0070.01016.41
7.4.110.0120.01216.43
7.4.100.0060.01116.35
7.4.90.0060.01216.39
7.4.80.0150.00319.39
7.4.70.0090.00916.49
7.4.60.0100.00716.36
7.4.50.0030.00516.38
7.4.40.0130.00316.29
7.4.30.0090.00616.57
7.3.330.0020.00213.23
7.3.320.0000.00513.14
7.3.310.0090.00016.06
7.3.300.0000.00716.15
7.3.290.0090.00616.09
7.3.280.0080.01016.09
7.3.270.0190.00317.40
7.3.260.0140.00916.24
7.3.250.0100.00716.38
7.3.240.0030.01916.23
7.3.230.0090.00616.39
7.3.210.0080.00816.40
7.3.200.0060.00919.39
7.3.190.0110.00716.09
7.3.180.0130.00316.37
7.3.170.0080.00816.50
7.3.160.0160.00016.24
7.2.330.0150.00816.35
7.2.320.0100.00716.49
7.2.310.0060.01216.30
7.2.300.0030.01316.57
7.2.290.0080.00816.29
5.4.320.0060.03812.45
5.4.310.0060.03912.45
5.4.300.0060.03912.45
5.4.290.0070.03812.45
5.4.280.0070.03612.35
5.4.270.0040.03812.35
5.4.260.0080.03512.34
5.4.250.0070.03812.35
5.4.240.0060.03812.34
5.4.230.0060.03912.34
5.4.220.0040.04012.34
5.4.210.0090.03712.34
5.4.200.0070.04312.34
5.4.190.0060.03712.33
5.4.180.0060.04012.34
5.4.170.0060.04712.34
5.4.160.0110.03712.34
5.4.150.0080.03512.34
5.4.140.0030.03912.02
5.4.130.0050.03612.01
5.4.120.0060.03511.97
5.4.110.0070.03511.96
5.4.100.0090.03511.96
5.4.90.0110.03511.96
5.4.80.0130.03511.96
5.4.70.0040.03811.96
5.4.60.0100.03311.96
5.4.50.0080.03611.96
5.4.40.0080.03611.95
5.4.30.0040.03911.95
5.4.20.0070.03411.95
5.4.10.0040.03711.95
5.4.00.0050.03611.44

preferences:
33.62 ms | 401 KiB | 5 Q