3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; $b = 1; for ($i = 0; $i <= 10; $i++) { list($a, $b) = array($b, $a + $b); echo $b . ' '; }

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)
8.3.60.0040.01116.25
8.3.50.0130.00717.44
8.3.40.0120.00318.93
8.3.30.0100.01018.54
8.3.20.0070.00018.73
8.3.10.0040.00418.85
8.3.00.0030.00619.23
8.2.180.0140.00718.38
8.2.170.0040.01122.96
8.2.160.0150.00620.53
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0030.00326.16
8.2.120.0040.00420.78
8.2.110.0070.00420.98
8.2.100.0060.00617.84
8.2.90.0060.00319.30
8.2.80.0060.00319.21
8.2.70.0000.00817.50
8.2.60.0070.00318.04
8.2.50.0000.00818.07
8.2.40.0080.00318.01
8.2.30.0040.00418.10
8.2.20.0000.00917.71
8.2.10.0050.00217.75
8.2.00.0000.00817.65
8.1.280.0070.01025.92
8.1.270.0080.00024.66
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00022.55
8.1.230.0090.00320.89
8.1.220.0040.00417.80
8.1.210.0000.00818.97
8.1.200.0080.00017.23
8.1.190.0060.00317.53
8.1.180.0030.00518.10
8.1.170.0000.00818.93
8.1.160.0020.00518.82
8.1.150.0040.00418.64
8.1.140.0050.00217.45
8.1.130.0070.00017.70
8.1.120.0030.00517.36
8.1.110.0000.00817.40
8.1.100.0000.00717.36
8.1.90.0000.00717.49
8.1.80.0070.00017.47
8.1.70.0070.00017.36
8.1.60.0080.00017.64
8.1.50.0000.00717.47
8.1.40.0030.00617.54
8.1.30.0040.00417.58
8.1.20.0000.00917.64
8.1.10.0060.00317.51
8.1.00.0000.00717.42
8.0.300.0000.00819.98
8.0.290.0040.00416.58
8.0.280.0030.00318.50
8.0.270.0050.00317.17
8.0.260.0060.00016.74
8.0.250.0050.00317.00
8.0.240.0070.00016.96
8.0.230.0070.00016.97
8.0.220.0070.00016.94
8.0.210.0040.00416.88
8.0.200.0030.00316.96
8.0.190.0030.00316.89
8.0.180.0040.00416.89
8.0.170.0040.00416.88
8.0.160.0030.00316.91
8.0.150.0050.00516.78
8.0.140.0000.00816.83
8.0.130.0060.00013.30
8.0.120.0040.00416.84
8.0.110.0000.00816.78
8.0.100.0070.00016.78
8.0.90.0040.00416.87
8.0.80.0090.00616.88
8.0.70.0040.00416.96
8.0.60.0050.00216.88
8.0.50.0040.00416.90
8.0.30.0150.00317.29
8.0.20.0090.00917.12
8.0.10.0050.00217.07
8.0.00.0140.00616.53
7.4.330.0030.00312.90
7.4.320.0030.00316.59
7.4.300.0000.00616.65
7.4.290.0060.00316.65
7.4.280.0080.00016.51
7.4.270.0000.00816.43
7.4.260.0000.00513.39
7.4.250.0000.01016.64
7.4.240.0040.00316.56
7.4.230.0000.00716.30
7.4.220.0040.01616.50
7.4.210.0030.01116.58
7.4.200.0070.00016.41
7.4.190.0000.00716.73
7.4.160.0040.01116.60
7.4.150.0150.00316.55
7.4.140.0120.00716.57
7.4.130.0080.01116.57
7.4.120.0080.01216.57
7.4.110.0150.00416.37
7.4.100.0180.00316.55
7.4.90.0060.01716.32
7.4.80.0100.01019.39
7.4.70.0090.00616.25
7.4.60.0080.00816.50
7.4.50.0060.00616.56
7.4.40.0090.00916.58
7.4.30.0060.01016.46
7.4.00.0030.01414.55
7.3.330.0000.00713.09
7.3.320.0000.00513.09
7.3.310.0030.00316.34
7.3.300.0030.00316.30
7.3.290.0070.00816.27
7.3.280.0080.00916.40
7.3.270.0060.01716.35
7.3.260.0100.01116.52
7.3.250.0170.00316.32
7.3.240.0220.00016.71
7.3.230.0000.01716.37
7.3.210.0080.00816.22
7.3.200.0140.00716.29
7.3.190.0140.00716.19
7.3.180.0060.01016.44
7.3.170.0060.01216.29
7.3.160.0120.00616.42
7.3.120.0060.01015.01
7.2.330.0090.00916.43
7.2.320.0100.01016.47
7.2.310.0110.00716.63
7.2.300.0060.00916.72
7.2.290.0130.00316.45
7.2.00.0000.00919.39
7.1.100.0060.00618.11
7.1.70.0000.01117.21
7.1.60.0130.01319.40
7.1.50.0110.01116.77
7.1.00.0000.06722.51
7.0.200.0000.00816.70
7.0.140.0030.07021.95
7.0.120.0030.03321.98
7.0.60.0030.05019.78
7.0.50.0100.04717.79
7.0.40.0000.04720.12
7.0.30.0500.06020.19
7.0.20.0300.08020.00
7.0.10.0070.05020.12
7.0.00.0030.04020.13
5.6.280.0070.07021.02
5.6.210.0070.03720.49
5.6.200.0130.08018.16
5.6.190.0100.07020.63
5.6.180.4200.03720.38
5.6.170.0270.07720.33
5.6.160.0170.08020.50
5.6.150.0130.07718.13
5.6.140.0000.04018.21
5.6.130.0000.04318.20
5.6.120.0070.08720.98
5.6.110.0130.07020.99
5.6.100.0030.06021.02
5.6.90.0070.08320.98
5.6.80.0000.04020.43
5.6.70.0330.07020.50
5.5.350.0230.05320.40
5.5.340.0030.04018.02
5.5.330.0030.05320.36
5.5.320.0570.07020.40
5.5.310.0170.04320.34
5.5.300.0030.07317.92
5.5.290.0030.09017.95
5.5.280.0070.08320.89
5.5.270.0070.05720.89
5.5.260.0100.07320.87
5.5.250.0100.07020.68
5.5.240.0070.04020.25
5.4.450.0070.06019.38
5.4.440.0030.04019.45
5.4.430.0030.04719.52
5.4.420.0130.06319.49
5.4.410.0030.05019.35
5.4.400.0070.03719.08
5.4.390.0000.04319.00
5.4.380.0030.06319.14
5.4.370.0130.06319.14
5.4.360.0030.07718.80
5.4.350.0030.08019.08
5.4.340.0030.06319.09
5.4.320.0130.07319.14
5.4.310.0170.06719.18
5.4.300.0070.07318.78
5.4.290.0100.07319.17
5.4.280.0070.04719.11
5.4.270.0030.08719.07
5.4.260.0070.07719.08
5.4.250.0070.06318.80
5.4.240.0130.07719.11
5.4.230.0030.06719.15
5.4.220.0030.07319.07
5.4.210.0070.08319.07
5.4.200.0000.07319.14
5.4.190.0170.05718.79
5.4.180.0100.03719.16
5.4.170.0070.08019.16
5.4.160.0070.06019.16
5.4.150.0100.05719.13
5.4.140.0070.05316.34
5.4.130.0070.04316.25
5.4.120.0070.06316.38
5.4.110.0030.06716.41
5.4.100.0070.03716.32
5.4.90.0070.03716.36
5.4.80.0030.03716.38
5.4.70.0130.03716.35
5.4.60.0000.04716.21
5.4.50.0070.07716.13
5.4.40.0170.06316.23
5.4.30.0200.06316.32
5.4.20.0100.06716.36
5.4.10.0130.03316.36
5.4.00.0070.07015.68
5.3.290.0070.07314.45
5.3.280.0000.04714.52
5.3.270.0170.06314.63
5.3.260.0030.05714.42
5.3.250.0000.04314.57
5.3.240.0130.07714.42
5.3.230.0070.08014.56
5.3.220.0070.06314.48
5.3.210.0030.06314.50
5.3.200.0030.05014.50
5.3.190.0070.03714.35
5.3.180.0030.03714.48
5.3.170.0070.07714.65
5.3.160.0000.05714.45
5.3.150.0130.06714.57
5.3.140.0070.07714.39
5.3.130.0030.08014.47
5.3.120.0100.07314.49
5.3.110.0030.04314.50
5.3.100.0000.04313.92
5.3.90.0070.06713.97
5.3.80.0070.05714.10
5.3.70.0030.06713.99
5.3.60.0030.04013.93
5.3.50.0100.04313.88
5.3.40.0100.06313.96
5.3.30.0030.04313.71
5.3.20.0070.04713.78
5.3.10.0030.04313.74
5.3.00.0030.07713.59
5.2.170.0070.03311.02
5.2.160.0070.06311.08
5.2.150.0000.04311.04
5.2.140.0070.06311.12
5.2.130.0030.04311.07
5.2.120.0000.04311.07
5.2.110.0070.06011.00
5.2.100.0070.05011.04
5.2.90.0070.03011.09
5.2.80.0030.03711.08
5.2.70.0100.03011.05
5.2.60.0030.03710.90
5.2.50.0130.05311.00
5.2.40.0000.06010.98
5.2.30.0000.04710.95
5.2.20.0030.06710.94
5.2.10.0000.03710.74
5.2.00.0000.06310.67
5.1.60.0030.05310.00
5.1.50.0030.0479.94
5.1.40.0070.0509.95
5.1.30.0000.04310.34
5.1.20.0030.03710.39
5.1.10.0030.02710.10
5.1.00.0070.05310.06
5.0.50.0000.0239.49
5.0.40.0070.0409.49
5.0.30.0070.0409.49
5.0.20.0030.0239.49
5.0.10.0000.0239.49
5.0.00.0030.0309.49
4.4.90.0070.0209.49
4.4.80.0000.0279.49
4.4.70.0000.0239.49
4.4.60.0000.0409.49
4.4.50.0030.0239.49
4.4.40.0030.0539.49
4.4.30.0000.0279.49
4.4.20.0070.0139.49
4.4.10.0000.0209.49
4.4.00.0000.0379.49
4.3.110.0070.0309.49
4.3.100.0030.0239.49
4.3.90.0000.0379.49
4.3.80.0000.0579.49
4.3.70.0030.0179.49
4.3.60.0000.0179.49
4.3.50.0000.0239.49
4.3.40.0030.0239.49
4.3.30.0000.0279.49
4.3.20.0000.0179.49
4.3.10.0100.0079.49
4.3.00.0000.0309.49

preferences:
41.1 ms | 401 KiB | 5 Q