3v4l.org

run code in 300+ PHP versions simultaneously
<?php function fib($n){ if($n == 0){ return 1; } return fib($n - 2) + fib($n - 1); } print 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)
8.3.60.0660.00772.50
8.3.50.0750.01872.19
8.3.40.0340.01044.78
8.3.30.0310.01044.53
8.3.20.0180.00346.34
8.3.10.0120.00948.61
8.3.00.0190.00348.67
8.2.180.0480.03173.46
8.2.170.0380.00044.61
8.2.160.0320.00646.44
8.2.150.0220.00044.60
8.2.140.0150.00746.57
8.2.130.0200.00745.88
8.2.120.0080.00350.22
8.2.110.0120.01246.52
8.2.100.0300.00343.78
8.2.90.0100.01045.05
8.2.80.0150.00643.50
8.2.70.0220.00343.38
8.2.60.0130.00943.91
8.2.50.0170.00743.38
8.2.40.0120.00647.31
8.2.30.0130.00645.27
8.2.20.0240.00343.36
8.2.10.0160.00443.74
8.2.00.0150.00843.84
8.1.280.0690.02071.59
8.1.270.0380.01047.93
8.1.260.0210.00448.02
8.1.250.0220.00046.25
8.1.240.0390.01145.08
8.1.230.0180.01443.27
8.1.220.0110.01143.66
8.1.210.0100.01043.23
8.1.200.0170.00743.35
8.1.190.0160.00343.22
8.1.180.0100.01043.11
8.1.170.0180.00644.52
8.1.160.0130.01046.75
8.1.150.0130.00744.97
8.1.140.0150.00445.52
8.1.130.0220.00043.64
8.1.120.0180.00443.43
8.1.110.0180.00043.34
8.1.100.0080.01143.39
8.1.90.0200.00043.36
8.1.80.0130.01043.45
8.1.70.0100.01043.40
8.1.60.0150.00943.45
8.1.50.0120.00943.52
8.1.40.0190.00643.50
8.1.30.0100.01043.56
8.1.20.0100.01343.50
8.1.10.0210.01473.10
8.1.00.0220.01173.01
8.0.300.0220.00972.66
8.0.290.0250.00972.36
8.0.280.0260.00673.98
8.0.270.0240.00772.72
8.0.260.0230.01372.65
8.0.250.0190.01072.39
8.0.240.0300.01072.20
8.0.230.0220.01372.32
8.0.220.0220.00772.27
8.0.210.0180.01572.39
8.0.200.0320.00672.28
8.0.190.0190.02372.33
8.0.180.0340.00672.36
8.0.170.0310.01472.34
8.0.160.0360.00772.31
8.0.150.0300.01072.27
8.0.140.0320.01072.32
8.0.130.0780.010121.71
8.0.120.0270.00772.29
8.0.110.0210.01172.33
8.0.100.0190.01972.16
8.0.90.0230.01072.16
8.0.80.0440.02772.32
8.0.70.0160.01672.30
8.0.60.0120.01972.34
8.0.50.0140.01472.21
8.0.30.0570.02672.46
8.0.20.0540.03072.58
8.0.10.0170.01772.46
8.0.00.0550.02672.24
7.4.330.0180.00474.36
7.4.320.0240.01071.98
7.4.300.0200.01371.89
7.4.290.0300.02071.98
7.4.280.0440.01071.93
7.4.270.0210.01171.98
7.4.260.0300.01772.02
7.4.250.0270.00771.88
7.4.240.0280.00471.93
7.4.230.0100.02071.92
7.4.220.0570.03871.93
7.4.210.0600.03772.07
7.4.200.0280.00471.69
7.4.160.0630.01471.91
7.4.150.0670.02471.98
7.4.140.0680.03071.97
7.4.130.0670.02671.93
7.4.120.0650.01872.03
7.4.110.0390.04272.07
7.4.100.0630.01672.02
7.4.90.0620.02671.95
7.4.80.0430.04371.87
7.4.70.0530.02571.75
7.4.60.0740.03371.76
7.4.50.0230.02671.82
7.4.40.0580.02371.81
7.4.30.0480.03572.10
7.4.00.0440.01070.71
7.3.330.0590.013121.64
7.3.320.0570.013121.85
7.3.310.0250.00671.91
7.3.300.0220.01471.81
7.3.290.0460.03771.84
7.3.280.0470.04671.82
7.3.270.0580.02671.80
7.3.260.0750.02472.11
7.3.250.0570.02572.04
7.3.240.0550.02471.94
7.3.230.0590.02372.02
7.3.210.0530.03072.08
7.3.200.0790.03671.68
7.3.190.0690.01372.06
7.3.180.0590.02771.86
7.3.170.0540.03471.89
7.3.160.0530.03071.83
7.3.120.0200.03070.38
7.3.110.0350.01470.20
7.3.100.0290.02070.50
7.3.90.0300.01770.17
7.3.80.0350.01370.55
7.3.70.0300.03070.38
7.3.60.0240.02470.43
7.3.50.0340.01470.49
7.3.40.0270.02770.30
7.3.30.0290.01670.49
7.3.20.0190.00778.38
7.3.10.0390.00378.43
7.3.00.0690.01778.66
7.2.330.0540.03072.30
7.2.320.0650.02272.14
7.2.310.0470.03772.06
7.2.300.0560.03072.25
7.2.290.0630.03371.86
7.2.240.0220.02270.63
7.2.230.0280.01970.33
7.2.220.0230.03070.35
7.2.210.0360.02070.40
7.2.200.0340.02070.26
7.2.190.0220.02270.61
7.2.180.0310.00970.45
7.2.170.0280.01370.49
7.2.160.0380.01670.40
7.2.150.0300.01778.80
7.2.140.0100.01478.85
7.2.130.0560.01678.52
7.2.120.0060.02678.82
7.2.110.0410.02078.66
7.2.100.0340.01678.56
7.2.90.0130.02378.81
7.2.80.0150.02478.73
7.2.70.0230.01578.83
7.2.60.0720.01478.62
7.2.50.0210.01878.79
7.2.40.0150.01978.80
7.2.30.0150.02178.94
7.2.20.0160.02378.89
7.2.10.0070.03178.75
7.2.00.5420.01177.86
7.1.330.2500.04277.55
7.1.320.0130.02577.57
7.1.310.0070.03877.28
7.1.300.0170.02377.62
7.1.290.0060.02677.56
7.1.280.0070.03077.61
7.1.270.0130.02677.69
7.1.260.0710.02477.54
7.1.250.0130.02677.70
7.1.200.1370.01377.62
7.1.100.0640.00830.01
7.1.70.0180.00978.87
7.1.60.0200.02379.29
7.1.50.0490.02077.04
7.1.00.0070.09084.23
7.0.200.5470.01369.76
7.0.60.1330.09075.91
7.0.50.0200.04373.57
7.0.40.0170.09720.18
7.0.30.0230.06320.08
7.0.20.0330.05720.20
7.0.10.0030.09720.16
7.0.00.0200.08020.32
5.6.280.0130.06085.53
5.6.210.0500.06785.38
5.6.200.0330.10382.80
5.6.190.0270.09785.08
5.6.180.0470.10085.06
5.6.170.0470.09385.11
5.6.160.0270.08085.11
5.6.150.0130.06782.84
5.6.140.0400.08782.89
5.6.130.0170.06382.85
5.6.120.0200.06785.61
5.6.110.0300.04385.67
5.6.100.0100.06785.59
5.6.90.0170.06085.81
5.6.80.0200.06085.12
5.5.350.0130.05085.20
5.5.340.0200.05382.65
5.5.330.0200.05785.00
5.5.320.0530.05784.84
5.5.310.0600.05784.91
5.5.300.0330.09782.61
5.5.290.0130.06782.63
5.5.280.0330.05385.43
5.5.270.0330.11385.46
5.5.260.0400.10385.57
5.5.250.0330.10085.25
5.5.240.0270.06084.86

preferences:
41.26 ms | 401 KiB | 5 Q