3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f($number) { $num=fib($number); echo $number.' number fibinache is '.$num; } function fib($num,$count=2,$plast=1,$last=1){ if($count <= $num){ ++$count; $newlast=$plast+$last; return fib($num,$count,$last,$newlast); } else { return $last; } } f(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)
8.3.40.0070.01018.84
8.3.30.0040.01120.14
8.3.20.0050.00220.33
8.3.10.0040.00421.82
8.3.00.0080.00022.32
8.2.170.0110.00322.96
8.2.160.0070.01122.10
8.2.150.0140.00024.18
8.2.140.0030.00624.66
8.2.130.0030.00526.16
8.2.120.0050.00320.75
8.2.110.0030.00719.20
8.2.100.0120.00017.91
8.2.90.0050.00317.63
8.2.80.0000.00917.97
8.2.70.0040.00418.03
8.2.60.0030.00719.27
8.2.50.0030.00518.10
8.2.40.0060.00320.42
8.2.30.0030.00519.44
8.2.20.0040.00417.65
8.2.10.0040.00417.75
8.2.00.0040.00417.57
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00322.45
8.1.230.0110.00019.13
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00417.23
8.1.190.0050.00317.10
8.1.180.0050.00318.10
8.1.170.0080.00018.64
8.1.160.0020.00520.71
8.1.150.0030.00618.60
8.1.140.0000.00717.47
8.1.130.0000.00717.71
8.1.120.0040.00417.46
8.1.110.0040.00417.48
8.1.100.0000.00717.42
8.1.90.0030.00517.35
8.1.80.0040.00417.51
8.1.70.0070.00017.40
8.1.60.0040.00417.48
8.1.50.0030.00517.45
8.1.40.0030.00517.53
8.1.30.0000.00717.68
8.1.20.0030.00617.67
8.1.10.0040.00417.50
8.1.00.0030.00617.31
8.0.300.0040.00420.07
8.0.290.0080.00016.75
8.0.280.0000.00718.39
8.0.270.0030.00317.26
8.0.260.0080.00016.68
8.0.250.0040.00416.91
8.0.240.0000.00916.88
8.0.230.0070.00016.95
8.0.220.0040.00416.80
8.0.210.0070.00016.86
8.0.200.0070.00016.93
8.0.190.0090.00016.96
8.0.180.0080.00016.95
8.0.170.0040.00416.95
8.0.160.0040.00416.89
8.0.150.0040.00416.82
8.0.140.0040.00416.87
8.0.130.0030.00313.33
8.0.120.0000.00816.82
8.0.110.0000.00716.80
8.0.100.0080.00016.73
8.0.90.0000.00716.96
8.0.80.0070.01016.91
8.0.70.0040.00416.86
8.0.60.0040.00416.97
8.0.50.0050.00316.95
8.0.30.0060.01217.10
8.0.20.0100.00717.40
8.0.10.0050.00316.79
8.0.00.0080.01416.65
7.4.330.0030.00315.00
7.4.320.0060.00016.38
7.4.300.0070.00016.49
7.4.290.0040.00416.49
7.4.280.0050.00316.65
7.4.270.0040.00416.62
7.4.260.0000.00513.18
7.4.250.0040.00416.59
7.4.240.0000.00716.64
7.4.230.0000.00716.43
7.4.220.0260.00316.66
7.4.210.0090.00716.52
7.4.200.0000.00716.52
7.4.190.0000.00716.71
7.4.160.0060.00916.66
7.4.150.0130.01317.40
7.4.140.0100.00817.86
7.4.130.0100.00716.51
7.4.120.0100.00716.67
7.4.110.0090.00916.29
7.4.100.0080.01216.59
7.4.90.0030.01316.57
7.4.80.0030.01319.39
7.4.70.0120.00416.39
7.4.60.0100.00616.48
7.4.50.0090.00016.54
7.4.40.0060.00822.77
7.4.30.0060.00916.49
7.4.00.0080.00715.22
7.3.330.0000.00513.14
7.3.320.0000.00513.32
7.3.310.0040.00416.21
7.3.300.0000.00716.20
7.3.290.0110.00716.27
7.3.280.0070.01116.27
7.3.270.0100.01017.40
7.3.260.0030.01316.43
7.3.250.0070.01016.44
7.3.240.0030.01416.35
7.3.230.0080.00916.54
7.3.210.0120.00616.36
7.3.200.0080.00819.39
7.3.190.0130.00616.64
7.3.180.0110.00816.55
7.3.170.0080.01616.32
7.3.160.0120.00316.40
7.3.120.0100.00614.94
7.3.110.0000.01814.53
7.3.100.0070.00714.83
7.3.90.0060.00914.71
7.3.80.0030.01014.80
7.3.70.0070.00714.99
7.3.60.0000.00814.80
7.3.50.0050.00514.78
7.3.40.0060.00614.91
7.3.30.0120.00314.67
7.3.20.0040.00416.81
7.3.10.0090.00316.56
7.3.00.0030.00916.70
7.2.330.0030.01316.44
7.2.320.0060.01216.80
7.2.310.0070.01016.72
7.2.300.0200.00316.54
7.2.290.0090.00616.66
7.2.250.0070.01114.88
7.2.240.0090.01215.02
7.2.230.0130.00314.92
7.2.220.0080.00414.77
7.2.210.0030.01015.00
7.2.200.0070.00715.20
7.2.190.0080.00514.89
7.2.180.0070.00715.27
7.2.170.0080.00315.05
7.2.60.0070.01016.88
7.2.00.0160.00319.34
7.1.330.0070.00715.68
7.1.320.0110.00415.89
7.1.310.0030.01015.76
7.1.300.0070.00315.46
7.1.290.0030.01015.80
7.1.280.0030.00915.68
7.1.270.0030.00815.79
7.1.260.0000.00815.51
7.1.200.0060.00615.81
7.1.100.0000.01418.34
7.1.70.0000.00717.13
7.1.60.0180.00719.32
7.1.50.0060.00916.68
7.1.00.0030.05022.51
7.0.200.0030.00316.46
7.0.140.0000.07721.95
7.0.100.0030.04020.04
7.0.90.0070.03719.94
7.0.80.0070.03719.97
7.0.70.0200.05019.93
7.0.60.0300.08019.95
7.0.50.0100.05720.29
7.0.40.0030.04320.05
7.0.30.0100.03720.19
7.0.20.0030.04020.13
7.0.10.0100.06720.12
7.0.00.0030.04320.13
5.6.280.0000.07721.15
5.6.250.0000.04720.76
5.6.240.0070.04320.64
5.6.230.0030.04320.57
5.6.220.0130.06320.67
5.6.210.0030.04320.55
5.6.200.0100.05721.09
5.6.190.0030.04320.96
5.6.180.0170.04021.02
5.6.170.0000.04321.15
5.6.160.0030.04320.96
5.6.150.0070.03321.18
5.6.140.0070.04020.94
5.6.130.0070.04721.02
5.6.120.0000.04321.04
5.6.110.0030.04321.14
5.6.100.0030.04021.07
5.6.90.0030.07721.05
5.6.80.0030.04020.42
5.6.70.0070.06320.42
5.6.60.0100.07320.46
5.6.50.0100.08020.48
5.6.40.0070.08020.31
5.6.30.0070.08020.40
5.6.20.0130.07320.39
5.6.10.0200.06320.53
5.6.00.0170.06020.41
5.5.380.0100.03020.46
5.5.370.0130.03020.51
5.5.360.0070.04020.35
5.5.350.0000.04320.40
5.5.340.0070.04720.93
5.5.330.0000.04320.82
5.5.320.0030.04320.79
5.5.310.0030.06020.91
5.5.300.0030.06020.61
5.5.290.0030.04320.80
5.5.280.0170.03720.79
5.5.270.0070.07720.82
5.5.260.0000.05020.91
5.5.250.0030.06020.65
5.5.240.0070.07720.20
5.5.230.0130.04320.19
5.5.220.0030.08019.99
5.5.210.0100.07720.18
5.5.200.0030.06320.29
5.5.190.0130.07020.26
5.5.180.0130.07320.10
5.5.160.0100.07320.24
5.5.150.0130.07720.25
5.5.140.0100.08020.24
5.5.130.0100.08320.09
5.5.120.0070.05020.25
5.5.110.0070.08320.24
5.5.100.0030.08320.17
5.5.90.0100.07020.08
5.5.80.0130.06720.11
5.5.70.0130.07320.06
5.5.60.0100.07719.93
5.5.50.0070.04320.07
5.5.40.0130.07020.11
5.5.30.0000.08720.08
5.5.20.0100.08019.97
5.5.10.0100.07720.11
5.5.00.0070.08320.04
5.4.450.0030.04019.47
5.4.440.0030.04319.18
5.4.430.0070.05019.18
5.4.420.0070.03719.45
5.4.410.0030.05019.41
5.4.400.0070.07318.91
5.4.390.0070.06719.19
5.4.380.0030.07318.95
5.4.370.0070.08318.85
5.4.360.0030.08319.14
5.4.350.0170.06719.05
5.4.340.0130.07019.03
5.4.320.0130.07019.21
5.4.310.0100.07719.00
5.4.300.0100.07319.18
5.4.290.0100.07018.88
5.4.280.0170.07019.15
5.4.270.0100.07319.00
5.4.260.0100.07319.23
5.4.250.0100.06018.95
5.4.240.0170.06318.94
5.4.230.0070.05018.87
5.4.220.0030.08018.94
5.4.210.0100.06319.02
5.4.200.0000.07318.84
5.4.190.0170.07019.12
5.4.180.0000.07019.23
5.4.170.0070.07719.04
5.4.160.0130.07019.08
5.4.150.0070.07719.19
5.4.140.0170.06316.49
5.4.130.0130.06316.30
5.4.120.0100.06316.48
5.4.110.0100.07016.53
5.4.100.0030.07316.49
5.4.90.0100.06716.33
5.4.80.0000.07016.55
5.4.70.0170.06316.57
5.4.60.0170.06716.48
5.4.50.0030.07716.41
5.4.40.0030.05016.42
5.4.30.0100.06716.28
5.4.20.0030.07016.33
5.4.10.0100.04016.47
5.4.00.0130.06015.86
5.3.290.0100.07714.79
5.3.280.0070.07314.58
5.3.270.0070.07714.74
5.3.260.0070.05314.54
5.3.250.0100.07014.67
5.3.240.0000.07714.73
5.3.230.0030.07314.70
5.3.220.0130.06714.62
5.3.210.0100.06314.64
5.3.200.0070.07714.50
5.3.190.0070.07314.49
5.3.180.0100.06314.64
5.3.170.0100.07014.69
5.3.160.0100.05714.62
5.3.150.0100.07314.60
5.3.140.0070.04314.65
5.3.130.0100.07314.66
5.3.120.0030.08314.53
5.3.110.0100.07014.61
5.3.100.0070.06313.97
5.3.90.0030.06314.08
5.3.80.0000.04713.95
5.3.70.0170.06714.04
5.3.60.0100.06014.02
5.3.50.0000.07713.96
5.3.40.0100.04013.90
5.3.30.0100.07013.83
5.3.20.0030.04313.76
5.3.10.0000.07313.72
5.3.00.0070.07013.63
5.2.170.0030.04311.25
5.2.160.0130.04711.27
5.2.150.0030.06311.20
5.2.140.0070.03711.16
5.2.130.0100.05311.18
5.2.120.0030.06711.02
5.2.110.0030.06711.18
5.2.100.0030.06311.20
5.2.90.0070.06311.04
5.2.80.0030.06011.16
5.2.70.0200.04011.16
5.2.60.0100.05310.95
5.2.50.0070.06011.14
5.2.40.0030.06011.10
5.2.30.0030.06710.96
5.2.20.0070.06010.90
5.2.10.0070.05710.88
5.2.00.0030.05710.65
5.1.60.0000.04310.11
5.1.50.0070.05310.11
5.1.40.0100.04710.11
5.1.30.0070.02710.30
5.1.20.0000.05710.28
5.1.10.0030.05710.11
5.1.00.0000.04710.14
5.0.50.0030.03310.11
5.0.40.0000.02310.11
5.0.30.0030.04710.11
5.0.20.0000.02010.11
5.0.10.0070.04010.11
5.0.00.0030.03010.11
4.4.90.0070.03310.11
4.4.80.0030.03710.11
4.4.70.0070.02310.11
4.4.60.0030.02710.11
4.4.50.0000.04010.11
4.4.40.0000.05710.11
4.4.30.0030.03310.11
4.4.20.0000.03310.11
4.4.10.0070.03310.11
4.4.00.0070.04310.11
4.3.110.0000.02010.11
4.3.100.0030.02010.11
4.3.90.0100.02310.11
4.3.80.0070.04310.11
4.3.70.0000.02710.11
4.3.60.0000.03310.11
4.3.50.0030.03310.11
4.3.40.0100.04710.11
4.3.30.0000.02710.11
4.3.20.0030.03310.11
4.3.10.0030.03010.11
4.3.00.0030.03310.11

preferences:
30.82 ms | 400 KiB | 5 Q