3v4l.org

run code in 300+ PHP versions simultaneously
<?php function fib($n) { if($n < 2) { return 1; } return fib($n - 2) + fib(n - 1); } echo fib(5);

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)
8.3.60.0070.01116.63
8.3.50.0140.00522.05
8.3.40.0060.00918.89
8.3.30.0090.00618.55
8.3.20.0070.00020.13
8.3.10.0040.00423.66
8.3.00.0050.00319.38
8.2.180.0110.00416.63
8.2.170.0070.00722.96
8.2.160.0100.00720.34
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00417.50
8.2.120.0070.00026.35
8.2.110.0060.00320.53
8.2.100.0100.00517.92
8.2.90.0040.00419.23
8.2.80.0000.00817.97
8.2.70.0060.00317.75
8.2.60.0030.00517.93
8.2.50.0050.00318.07
8.2.40.0030.00619.21
8.2.30.0040.00420.47
8.2.20.0040.00417.73
8.2.10.0000.00717.99
8.2.00.0000.00718.11
8.1.280.0070.00725.92
8.1.270.0080.00023.83
8.1.260.0000.00728.09
8.1.250.0070.00028.09
8.1.240.0030.00622.23
8.1.230.0060.00619.01
8.1.220.0050.00317.78
8.1.210.0000.00818.77
8.1.200.0040.00417.25
8.1.190.0080.00017.34
8.1.180.0040.00418.10
8.1.170.0020.00518.59
8.1.160.0050.00221.93
8.1.150.0040.00418.82
8.1.140.0050.00319.48
8.1.130.0060.00317.56
8.1.120.0070.00017.30
8.1.110.0060.00317.41
8.1.100.0060.00317.31
8.1.90.0070.00017.33
8.1.80.0000.00817.36
8.1.70.0000.00717.34
8.1.60.0040.00417.52
8.1.50.0000.00917.50
8.1.40.0040.00417.34
8.1.30.0060.00317.49
8.1.20.0040.00417.56
8.1.10.0080.00017.54
8.1.00.0000.01117.44
8.0.300.0030.00518.77
8.0.290.0040.00416.88
8.0.280.0000.00718.49
8.0.270.0000.00717.18
8.0.260.0060.00017.17
8.0.250.0000.00717.08
8.0.240.0000.00716.89
8.0.230.0070.00317.05
8.0.220.0000.00716.96
8.0.210.0000.00716.80
8.0.200.0000.00717.05
8.0.190.0050.00217.04
8.0.180.0000.00816.85
8.0.170.0040.00416.91
8.0.160.0070.00016.99
8.0.150.0050.00216.73
8.0.140.0000.00716.89
8.0.130.0030.00313.38
8.0.120.0080.00016.90
8.0.110.0030.00516.91
8.0.100.0000.00817.00
8.0.90.0000.00717.02
8.0.80.0090.00616.94
8.0.70.0040.00416.84
8.0.60.0080.00016.95
8.0.50.0050.00316.95
8.0.30.0060.01317.05
8.0.20.0080.01317.40
8.0.10.0000.00916.84
8.0.00.0080.00916.74
7.4.330.0050.00016.89
7.4.320.0000.00616.50
7.4.300.0030.00316.42
7.4.290.0000.00616.46
7.4.280.0060.00316.35
7.4.270.0070.00016.46
7.4.260.0030.00516.32
7.4.250.0020.00516.49
7.4.240.0010.00616.52
7.4.230.0070.00016.61
7.4.220.0160.00316.53
7.4.210.0100.00716.49
7.4.200.0070.00016.44
7.4.160.0100.00516.60
7.4.150.0030.01317.40
7.4.140.0100.01017.86
7.4.130.0090.00816.68
7.4.120.0110.01016.53
7.4.110.0090.00916.54
7.4.100.0130.00316.65
7.4.90.0110.00716.44
7.4.80.0130.01019.39
7.4.70.0130.00316.43
7.4.60.0120.00316.42
7.4.50.0070.00716.48
7.4.40.0100.00716.32
7.4.30.0130.00916.42
7.4.00.0050.00914.83
7.3.330.0030.00313.15
7.3.320.0000.00513.23
7.3.310.0050.00216.40
7.3.300.0000.00716.22
7.3.290.0110.00516.33
7.3.280.0050.01016.36
7.3.270.0160.00417.40
7.3.260.0150.00316.55
7.3.250.0110.00816.36
7.3.240.0130.00416.65
7.3.230.0060.01516.39
7.3.210.0140.00916.64
7.3.200.0140.00416.41
7.3.190.0120.00316.45
7.3.180.0000.01916.58
7.3.170.0090.01316.46
7.3.160.0030.01316.56
7.3.120.0090.00914.88
7.3.110.0040.01414.76
7.3.100.0040.00814.99
7.3.90.0030.00514.91
7.3.80.0090.00615.02
7.3.70.0030.00714.71
7.3.60.0120.00614.83
7.3.50.0060.00314.93
7.3.40.0040.00814.93
7.3.30.0060.00914.64
7.3.20.0100.00316.75
7.3.10.0040.01216.74
7.3.00.0120.00016.81
7.2.330.0060.01116.60
7.2.320.0060.01216.36
7.2.310.0030.01816.67
7.2.300.0100.01316.61
7.2.290.0090.00916.34
7.2.250.0030.01514.99
7.2.240.0060.01214.67
7.2.230.0110.00415.09
7.2.220.0040.01114.90
7.2.210.0070.01015.17
7.2.200.0000.01114.93
7.2.190.0060.00614.93
7.2.180.0100.00015.07
7.2.170.0030.00915.11
7.2.60.0000.01316.93
7.2.00.0000.01219.32
7.1.330.0060.00915.62
7.1.320.0030.01015.77
7.1.310.0090.00616.01
7.1.300.0070.00715.66
7.1.290.0040.00415.65
7.1.280.0080.00615.57
7.1.270.0030.01015.71
7.1.260.0030.00715.70
7.1.200.0130.00015.74
7.1.100.0080.00418.11
7.1.70.0000.01117.09
7.1.60.0070.01719.36
7.1.50.0000.01116.98
7.1.00.0070.07322.30
7.0.200.0030.00516.60
7.0.60.0100.08020.03
7.0.50.0130.04317.85
7.0.40.0030.08320.40
7.0.30.0200.03720.34
7.0.20.0470.06720.06
7.0.10.0030.05720.08
7.0.00.0070.04020.09
5.6.280.0000.03720.90
5.6.210.0030.08320.48
5.6.200.0100.07718.18
5.6.190.0170.06720.63
5.6.180.0400.07320.47
5.6.170.0230.05020.47
5.6.160.0030.09020.52
5.6.150.0070.07018.28
5.6.140.0070.08018.23
5.6.130.0030.04018.25
5.6.120.0170.06720.97
5.6.110.0030.05321.02
5.6.100.0030.09321.11
5.6.90.0100.08321.01
5.6.80.0170.07320.43
5.5.350.0230.06320.52
5.5.340.0070.04318.03
5.5.330.0030.05720.32
5.5.320.0000.07320.30
5.5.310.0400.07720.42
5.5.300.0100.07718.03
5.5.290.0030.08717.96
5.5.280.0070.08020.89
5.5.270.0170.07320.68
5.5.260.0100.08320.77
5.5.250.0130.07020.71
5.5.240.3670.04720.17

preferences:
51.8 ms | 401 KiB | 5 Q