3v4l.org

run code in 300+ PHP versions simultaneously
<?php function factor($i) { if ($i > 1) { return $i * factor($i-1); } return 1; } factor(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)
8.3.40.0090.00618.67
8.3.30.0070.00718.78
8.3.20.0080.00020.16
8.3.10.0000.00821.77
8.3.00.0100.00320.58
8.2.170.0090.00622.96
8.2.160.0100.00322.12
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0110.00322.25
8.2.110.0040.00720.53
8.2.100.0090.00319.64
8.2.90.0040.00419.05
8.2.80.0030.00517.97
8.2.70.0060.00317.38
8.2.60.0070.00317.91
8.2.50.0000.00818.07
8.2.40.0050.00318.22
8.2.30.0000.00818.02
8.2.20.0040.00417.58
8.2.10.0000.00717.54
8.2.00.0020.00517.61
8.1.270.0030.00524.01
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0080.00023.88
8.1.230.0040.00717.46
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0080.00017.23
8.1.190.0000.00717.28
8.1.180.0050.00318.10
8.1.170.0050.00318.48
8.1.160.0040.00421.84
8.1.150.0050.00218.50
8.1.140.0030.00517.26
8.1.130.0030.00317.76
8.1.120.0000.00817.34
8.1.110.0080.00017.32
8.1.100.0070.00017.36
8.1.90.0040.00417.26
8.1.80.0030.00317.30
8.1.70.0030.00317.27
8.1.60.0000.00817.51
8.1.50.0000.00817.37
8.1.40.0000.00817.45
8.1.30.0000.00817.58
8.1.20.0040.00417.43
8.1.10.0040.00417.42
8.1.00.0080.00017.27
8.0.300.0080.00018.77
8.0.290.0030.00616.63
8.0.280.0000.00718.31
8.0.270.0030.00317.20
8.0.260.0000.00616.68
8.0.250.0030.00316.90
8.0.240.0040.00416.79
8.0.230.0030.00316.70
8.0.220.0000.00616.73
8.0.210.0050.00216.80
8.0.200.0030.00316.71
8.0.190.0040.00416.81
8.0.180.0090.00016.78
8.0.170.0040.00416.77
8.0.160.0000.00816.64
8.0.150.0000.00716.59
8.0.140.0040.00416.63
8.0.130.0000.00613.20
8.0.120.0000.00816.74
8.0.110.0040.00416.71
8.0.100.0070.00016.74
8.0.90.0070.00016.65
8.0.80.0030.01216.70
8.0.70.0000.00816.73
8.0.60.0040.00416.82
8.0.50.0070.00016.56
8.0.30.0070.01217.01
8.0.20.0130.00417.40
8.0.10.0030.00316.77
8.0.00.0070.01016.53
7.4.330.0050.00015.00
7.4.320.0000.00616.45
7.4.300.0050.00216.50
7.4.290.0080.00016.45
7.4.280.0030.00616.37
7.4.270.0000.00616.52
7.4.260.0050.00316.43
7.4.250.0000.00716.54
7.4.240.0040.00416.50
7.4.230.0030.00316.54
7.4.220.0030.01516.51
7.4.210.0110.00516.45
7.4.200.0050.00316.33
7.4.190.0040.00416.66
7.4.160.0100.00716.55
7.4.150.0070.01117.40
7.4.140.0060.01117.86
7.4.130.0080.00816.49
7.4.120.0050.01316.39
7.4.110.0210.00616.30
7.4.100.0070.01016.45
7.4.90.0090.00916.27
7.4.80.0060.01616.34
7.4.70.0090.00816.32
7.4.60.0080.00816.28
7.4.50.0050.00316.60
7.4.40.0030.01022.77
7.4.30.0130.00316.38
7.4.00.0080.01015.04
7.3.330.0030.00313.36
7.3.320.0000.00513.11
7.3.310.0030.00316.19
7.3.300.0030.00316.35
7.3.290.0070.00716.29
7.3.280.0120.00616.20
7.3.270.0120.00417.40
7.3.260.0100.00716.71
7.3.250.0100.00916.44
7.3.240.0070.01016.48
7.3.230.0070.01016.50
7.3.210.0140.00316.23
7.3.200.0070.01519.39
7.3.190.0040.01216.29
7.3.180.0080.00816.26
7.3.170.0060.00916.51
7.3.160.0090.00616.30
7.3.120.0080.00914.99
7.3.110.0030.01614.84
7.3.100.0070.01014.79
7.3.90.0040.00714.87
7.3.80.0030.01014.75
7.3.70.0060.01014.70
7.3.60.0120.00614.91
7.3.50.0070.00714.52
7.3.40.0100.00314.59
7.3.30.0030.00914.70
7.3.20.0030.00916.32
7.3.10.0070.00716.71
7.3.00.0060.00616.44
7.2.330.0170.00416.44
7.2.320.0060.01616.62
7.2.310.0130.00316.60
7.2.300.0150.00416.41
7.2.290.0090.00616.65
7.2.250.0040.01115.12
7.2.240.0150.00414.78
7.2.230.0000.01415.23
7.2.220.0090.00615.13
7.2.210.0070.00314.65
7.2.200.0030.01414.93
7.2.190.0060.00914.82
7.2.180.0030.00614.99
7.2.170.0090.00615.20
7.2.130.0040.00716.25
7.2.120.0130.00316.83
7.2.110.0000.00916.65
7.2.100.0100.00316.61
7.2.90.0030.01216.80
7.2.80.0030.00916.94
7.2.70.0030.01316.65
7.2.60.0000.01516.59
7.2.50.0150.00016.72
7.2.40.0040.01116.85
7.2.30.0070.01116.36
7.2.20.0070.00716.50
7.2.10.0140.00416.73
7.2.00.0050.00718.21
7.1.330.0070.00715.81
7.1.320.0120.00015.83
7.1.310.0000.01315.48
7.1.300.0030.01215.55
7.1.290.0030.01315.59
7.1.280.0000.01315.75
7.1.270.0060.00615.59
7.1.260.0090.00615.48
7.1.250.0120.00315.55
7.1.240.0090.00315.69
7.1.230.0070.00715.75
7.1.220.0030.00615.46
7.1.210.0090.00315.53
7.1.200.0060.00615.33
7.1.190.0090.00315.81
7.1.180.0060.00615.80
7.1.170.0060.00615.56
7.1.160.0040.00715.60
7.1.150.0080.00315.80
7.1.140.0090.00915.48
7.1.130.0030.00915.41
7.1.120.0040.00715.47
7.1.110.0060.00615.53
7.1.100.0040.00716.79
7.1.90.0070.00415.79
7.1.80.0040.00715.51
7.1.70.0030.00616.31
7.1.60.0070.00316.27
7.1.50.0130.00616.22
7.1.40.0110.00415.67
7.1.30.0060.00615.54
7.1.20.0040.00815.42
7.1.10.0080.00415.61
7.1.00.0070.04118.85
7.0.330.0030.00515.16
7.0.320.0060.00615.14
7.0.310.0030.00714.96
7.0.300.0110.00015.00
7.0.290.0060.00814.99
7.0.280.0040.00715.10
7.0.270.0070.00415.36
7.0.260.0030.00615.24
7.0.250.0030.01015.37
7.0.240.0040.00714.93
7.0.230.0050.00515.24
7.0.220.0000.01315.29
7.0.210.0060.00614.84
7.0.200.0050.00816.07
7.0.190.0000.01015.34
7.0.180.0070.00314.93
7.0.170.0100.00315.36
7.0.160.0090.00615.27
7.0.150.0090.00615.07
7.0.140.0060.03718.58
7.0.130.0130.00015.40
7.0.120.0040.01115.04
7.0.110.0060.00315.44
7.0.100.0110.03317.49
7.0.90.0020.04317.65
7.0.80.0080.04017.46
7.0.70.0120.04217.47
7.0.60.0050.04017.60
7.0.50.0130.04017.75
7.0.40.0100.03816.71
7.0.30.0030.04716.55
7.0.20.0060.04716.64
7.0.10.0080.03516.68
7.0.00.0050.04816.75
5.6.380.0080.00314.09
5.6.370.0090.00513.92
5.6.360.0070.00313.95
5.6.350.0130.00013.93
5.6.340.0040.01113.89
5.6.330.0030.00613.96
5.6.320.0000.00914.04
5.6.310.0030.00914.12
5.6.300.0030.00914.34
5.6.290.0060.00614.20
5.6.280.0080.03317.46
5.6.270.0100.00014.05
5.6.260.0000.01514.13
5.6.250.0080.03517.60
5.6.240.0150.02017.50
5.6.230.0060.04817.39
5.6.220.0120.04017.30
5.6.210.0040.03917.18
5.6.200.0080.03517.42
5.6.190.0000.03217.44
5.6.180.0070.03717.30
5.6.170.0060.02917.41
5.6.160.0030.04617.42
5.6.150.0050.03717.55
5.6.140.0030.04717.55
5.6.130.0050.03717.50
5.6.120.0090.03317.70
5.6.110.0050.02817.49
5.6.100.0020.05217.60
5.6.90.0100.03817.71
5.6.80.0050.03217.16
5.6.70.0030.03117.26
5.6.60.0050.04217.30
5.6.50.0100.04117.17
5.6.40.0050.04017.29
5.6.30.0080.04517.18
5.6.20.0030.04317.30
5.6.10.0080.04017.32
5.6.00.0100.03817.15
5.5.380.0070.04215.77
5.5.370.0050.04015.76
5.5.360.0090.02515.93
5.5.350.0080.03815.68
5.5.340.0030.04615.98
5.5.330.0090.02515.89
5.5.320.0030.02915.75
5.5.310.0080.02315.90
5.5.300.0060.02915.85
5.5.290.0100.04015.84
5.5.280.0100.04215.93
5.5.270.0070.04215.88
5.5.260.0060.04615.98
5.5.250.0020.03415.68
5.5.240.0090.02215.59
5.5.230.0050.03215.50
5.5.220.0020.04115.58
5.5.210.0030.02515.57
5.5.200.0080.03315.54
5.5.190.0180.02215.58
5.5.180.0130.03515.51
5.5.170.0090.00310.90
5.5.160.0080.04215.61
5.5.150.0080.04015.56
5.5.140.0070.03715.58
5.5.130.0100.03515.64
5.5.120.0070.03715.46
5.5.110.0070.04015.64
5.5.100.0080.01815.47
5.5.90.0070.03215.47
5.5.80.0050.04315.64
5.5.70.0000.04615.59
5.5.60.0110.02215.58
5.5.50.0170.03515.52
5.5.40.0080.04115.51
5.5.30.0040.04015.49
5.5.20.0070.04115.48
5.5.10.0030.04615.50
5.5.00.0080.04315.47
5.4.450.0070.04215.30
5.4.440.0050.04015.08
5.4.430.0080.03815.19
5.4.420.0020.04615.18
5.4.410.0050.04315.22
5.4.400.0080.03715.19
5.4.390.0030.04215.07
5.4.380.0070.04014.92
5.4.370.0010.04215.00
5.4.360.0060.04315.00
5.4.350.0060.02814.88
5.4.340.0030.02514.96
5.4.330.0080.00010.90
5.4.320.0080.02015.04
5.4.310.0020.04014.97
5.4.300.0050.04214.97
5.4.290.0080.02715.06
5.4.280.0020.04514.87
5.4.270.0050.03815.14
5.4.260.0060.04115.09
5.4.250.0050.04214.90
5.4.240.0030.04215.02
5.4.230.0070.03115.07
5.4.220.0110.04215.01
5.4.210.0070.03214.97
5.4.200.0110.03714.90
5.4.190.0080.04115.06
5.4.180.0070.03614.96
5.4.170.0060.03714.91
5.4.160.0080.02014.98
5.4.150.0060.04315.04
5.4.140.0100.03313.57
5.4.130.0020.04013.64
5.4.120.0110.03113.55
5.4.110.0070.03713.66
5.4.100.0100.02213.70
5.4.90.0050.03013.68
5.4.80.0100.03213.67
5.4.70.0060.02713.69
5.4.60.0070.02413.65
5.4.50.0050.03713.69
5.4.40.0020.04113.71
5.4.30.0090.03413.63
5.4.20.0030.04013.67
5.4.10.0030.04113.60
5.4.00.0050.02813.34
5.3.290.0050.03112.76
5.3.280.0080.01812.80
5.3.270.0050.04212.79
5.3.260.0050.02312.73
5.3.250.0070.03512.82
5.3.240.0030.04312.81
5.3.230.0080.02512.80
5.3.220.0080.02612.79
5.3.210.0100.03612.72
5.3.200.0030.03712.70
5.3.190.0090.03512.75
5.3.180.0100.02312.71
5.3.170.0040.03412.71
5.3.160.0050.02112.71
5.3.150.0050.03012.73
5.3.140.0060.03512.69
5.3.130.0000.02612.75
5.3.120.0050.02812.69
5.3.110.0070.03912.71
5.3.100.0070.03412.52
5.3.90.0030.04012.50
5.3.80.0100.03312.47
5.3.70.0030.04112.49
5.3.60.0050.03812.48
5.3.50.0100.03512.43
5.3.40.0090.03812.45
5.3.30.0050.03812.34
5.3.20.0050.02312.26
5.3.10.0070.03612.28
5.3.00.0080.03212.30
5.2.170.0050.03311.26
5.2.160.0050.03211.26
5.2.150.0040.03711.26
5.2.140.0050.02011.26
5.2.130.0020.01711.26
5.2.120.0080.02611.26
5.2.110.0030.02011.26
5.2.100.0010.02311.26
5.2.90.0020.03311.26
5.2.80.0030.03311.26
5.2.70.0050.01811.26
5.2.60.0030.03711.26
5.2.50.0070.02911.26
5.2.40.0020.03411.26
5.2.30.0040.03011.26
5.2.20.0030.03311.26
5.2.10.0050.02711.26
5.2.00.0050.03311.26
5.1.60.0020.02611.26
5.1.50.0050.02611.26
5.1.40.0020.01511.26
5.1.30.0050.02511.26
5.1.20.0070.01711.26
5.1.10.0020.01911.26
5.1.00.0030.01811.26
5.0.50.0030.01611.26
5.0.40.0000.01811.26
5.0.30.0020.02811.26
5.0.20.0020.02511.26
5.0.10.0030.02211.26
5.0.00.0050.03311.26
4.4.90.0000.02211.26
4.4.80.0020.01111.26
4.4.70.0020.02111.26
4.4.60.0050.01711.26
4.4.50.0000.02011.26
4.4.40.0060.01811.26
4.4.30.0000.01811.26
4.4.20.0020.02011.26
4.4.10.0010.02111.26
4.4.00.0030.01711.26
4.3.110.0000.01511.26
4.3.100.0020.02011.26
4.3.90.0020.01811.26
4.3.80.0030.02311.26
4.3.70.0020.01211.26
4.3.60.0050.00811.26
4.3.50.0050.01711.26
4.3.40.0040.01311.26
4.3.30.0000.01011.26
4.3.20.0030.02011.26
4.3.10.0000.01811.26
4.3.00.0020.01411.26

preferences:
36.96 ms | 400 KiB | 5 Q