3v4l.org

run code in 300+ PHP versions simultaneously
<?php function x ($y) { function y ($z) { return ($z*2); } return($y+3); } $y = 4; $y = x($y)+y($y); echo $y;

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)
8.3.40.0110.00418.59
8.3.30.0140.00619.04
8.3.20.0070.00020.38
8.3.10.0000.00821.94
8.3.00.0080.00022.45
8.2.170.0040.01122.96
8.2.160.0170.00020.94
8.2.150.0090.00624.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0040.00417.50
8.2.110.0030.00722.04
8.2.100.0040.00717.91
8.2.90.0000.00719.05
8.2.80.0000.00818.04
8.2.70.0030.00717.63
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0000.00718.08
8.2.30.0050.00318.05
8.2.20.0000.00717.52
8.2.10.0070.00017.60
8.2.00.0040.00417.62
8.1.270.0070.00022.02
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0080.00023.89
8.1.230.0090.00319.10
8.1.220.0030.00517.77
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0030.00517.53
8.1.180.0040.00418.10
8.1.170.0080.00018.30
8.1.160.0060.00322.01
8.1.150.0040.00418.59
8.1.140.0040.00417.45
8.1.130.0030.00517.82
8.1.120.0000.00817.48
8.1.110.0000.00717.34
8.1.100.0030.00317.46
8.1.90.0000.00717.43
8.1.80.0030.00417.30
8.1.70.0000.00717.43
8.1.60.0040.00417.56
8.1.50.0040.00417.41
8.1.40.0050.00217.41
8.1.30.0090.00017.64
8.1.20.0000.00817.48
8.1.10.0000.00717.54
8.1.00.0070.00017.37
8.0.300.0040.00418.77
8.0.290.0030.00317.16
8.0.280.0070.00018.36
8.0.270.0080.00017.25
8.0.260.0030.00516.80
8.0.250.0070.00016.82
8.0.240.0050.00316.98
8.0.230.0030.00316.86
8.0.220.0000.00716.91
8.0.210.0000.00816.90
8.0.200.0030.00316.86
8.0.190.0000.00716.98
8.0.180.0000.00716.79
8.0.170.0040.00416.80
8.0.160.0030.00516.82
8.0.150.0070.00016.74
8.0.140.0030.00316.73
8.0.130.0000.00513.27
8.0.120.0030.00516.86
8.0.110.0040.00416.84
8.0.100.0040.00416.79
8.0.90.0070.00016.77
8.0.80.0180.00616.84
8.0.70.0040.00416.90
8.0.60.0020.00516.79
8.0.50.0000.00716.75
8.0.30.0070.01317.11
8.0.20.0140.00517.40
8.0.10.0000.00717.02
8.0.00.0100.00716.70
7.4.330.0030.00315.09
7.4.320.0060.00016.59
7.4.300.0060.00016.50
7.4.290.0000.00716.60
7.4.280.0060.00316.48
7.4.270.0030.00316.52
7.4.260.0030.00316.50
7.4.250.0000.00816.38
7.4.240.0040.00416.54
7.4.230.0000.00716.48
7.4.220.0040.01416.54
7.4.210.0110.00716.59
7.4.200.0000.00716.68
7.4.190.0070.00016.73
7.4.160.0140.00716.33
7.4.150.0130.00317.40
7.4.140.0100.00717.86
7.4.130.0080.01216.47
7.4.120.0070.00916.46
7.4.110.0300.02416.61
7.4.100.0100.00616.55
7.4.90.0090.00916.49
7.4.80.0040.01619.39
7.4.70.0070.01016.41
7.4.60.0040.01116.42
7.4.50.0030.00316.48
7.4.40.0090.00922.77
7.4.30.0170.00316.54
7.4.00.0100.00614.89
7.3.330.0020.00213.29
7.3.320.0050.00013.25
7.3.310.0070.00016.31
7.3.300.0030.00316.34
7.3.290.0080.00616.27
7.3.280.0100.00816.27
7.3.270.0130.00317.40
7.3.260.0090.00916.30
7.3.250.0070.01016.33
7.3.240.0030.01816.44
7.3.230.0090.00816.41
7.3.210.0000.01616.31
7.3.200.0140.00319.39
7.3.190.0130.00316.48
7.3.180.0060.01216.49
7.3.170.0130.00316.44
7.3.160.0060.00916.52
7.3.120.0090.00614.56
7.2.330.0100.00716.34
7.2.320.0120.01216.69
7.2.310.0130.00616.37
7.2.300.0150.00616.73
7.2.290.0090.00616.45
7.2.00.0030.00919.16
7.1.100.0060.00618.08
7.1.70.0080.00316.75
7.1.60.0160.00619.82
7.1.50.0030.00717.00
7.1.00.0000.08022.50
7.0.200.0080.00316.86
7.0.140.0030.07322.10
7.0.100.0100.07020.00
7.0.90.0100.07319.91
7.0.80.0130.07719.86
7.0.70.0130.08019.98
7.0.60.0170.07720.00
7.0.50.0030.09020.32
7.0.40.0130.07720.15
7.0.30.0100.07720.14
7.0.20.0070.06320.06
7.0.10.0130.07020.13
7.0.00.0030.08720.08
5.6.280.0070.07021.07
5.6.250.0070.08020.55
5.6.240.0030.05020.70
5.6.230.0070.08720.60
5.6.220.0030.08020.63
5.6.210.0000.08020.57
5.6.200.0030.08321.05
5.6.190.0070.08021.05
5.6.180.0070.09020.95
5.6.170.0070.08321.02
5.6.160.0100.07320.99
5.6.150.0030.07721.13
5.6.140.0070.08021.05
5.6.130.0070.08720.96
5.6.120.0070.07320.99
5.6.110.0070.07721.11
5.6.100.0070.06321.02
5.6.90.0130.06020.93
5.6.80.0100.05020.50
5.6.70.0130.07720.34
5.6.60.0070.08020.41
5.6.50.0030.07020.42
5.6.40.0070.07720.42
5.6.30.0100.07320.54
5.6.20.0030.06020.34
5.6.10.0100.07020.32
5.6.00.0070.07720.37
5.5.380.0100.08020.37
5.5.370.0030.07720.45
5.5.360.0070.08720.56
5.5.350.0000.07720.38
5.5.340.0030.08720.84
5.5.330.0070.08020.70
5.5.320.0070.08020.90
5.5.310.0070.07320.89
5.5.300.0030.08020.88
5.5.290.0100.07320.87
5.5.280.0100.07320.61
5.5.270.0170.07020.76
5.5.260.0000.08020.79
5.5.250.0070.08020.64
5.5.240.0000.08320.27
5.5.230.0170.07020.22
5.5.220.0100.07320.18
5.5.210.0100.07320.32
5.5.200.0200.06020.28
5.5.190.0030.08020.25
5.5.180.0200.07020.24
5.5.160.0000.07720.18
5.5.150.0070.05320.16
5.5.140.0000.04320.23
5.5.130.0070.03720.15
5.5.120.0070.03720.30
5.5.110.0000.04320.13
5.5.100.0070.03720.11
5.5.90.0100.03320.17
5.5.80.0030.03720.11
5.5.70.0030.04019.94
5.5.60.0000.04019.97
5.5.50.0030.05320.09
5.5.40.0100.05320.09
5.5.30.0070.04720.05
5.5.20.0100.03320.10
5.5.10.0030.04720.07
5.5.00.0070.03719.96
5.4.450.0070.08019.28
5.4.440.0100.08019.51
5.4.430.0000.08019.17
5.4.420.0100.07319.36
5.4.410.0130.06019.14
5.4.400.0070.06319.24
5.4.390.0000.06019.04
5.4.380.0070.07719.14
5.4.370.0100.07019.21
5.4.360.0100.07718.90
5.4.350.0070.07719.18
5.4.340.0030.07719.13
5.4.320.0030.08019.14
5.4.310.0100.03019.04
5.4.300.0030.03719.14
5.4.290.0030.05019.07
5.4.280.0030.04018.85
5.4.270.0030.03719.18
5.4.260.0070.03319.18
5.4.250.0030.04319.14
5.4.240.0030.04019.04
5.4.230.0030.03719.03
5.4.220.0030.06019.18
5.4.210.0070.04318.89
5.4.200.0030.04019.05
5.4.190.0030.04018.84
5.4.180.0000.04319.13
5.4.170.0030.04019.02
5.4.160.0030.03719.14
5.4.150.0000.04019.11
5.4.140.0030.03716.49
5.4.130.0070.03716.39
5.4.120.0030.03716.30
5.4.110.0100.03016.53
5.4.100.0030.03316.57
5.4.90.0000.04316.49
5.4.80.0070.03716.41
5.4.70.0100.04316.52
5.4.60.0030.04316.34
5.4.50.0000.03716.52
5.4.40.0070.06316.46
5.4.30.0000.04016.32
5.4.20.0030.03716.46
5.4.10.0030.03716.27
5.4.00.0030.03315.90
5.3.290.0100.04014.59
5.3.280.0030.04014.60
5.3.270.0070.07014.55
5.3.260.0070.03314.66
5.3.250.0070.03714.66
5.3.240.0100.03014.56
5.3.230.0030.05014.63
5.3.220.0000.04314.55
5.3.210.0000.04014.59
5.3.200.0000.05014.70
5.3.190.0070.05714.64
5.3.180.0100.04714.54
5.3.170.0000.04014.52
5.3.160.0030.03714.55
5.3.150.0030.03714.54
5.3.140.0100.03014.64
5.3.130.0070.04314.58
5.3.120.0030.04014.51
5.3.110.0030.04014.50
5.3.100.0030.05014.20
5.3.90.0030.03714.04
5.3.80.0000.04014.11
5.3.70.0030.03713.91
5.3.60.0030.04013.93
5.3.50.0030.03714.00
5.3.40.0030.03714.01
5.3.30.0070.03713.79
5.3.20.0030.03313.80
5.3.10.0030.04713.71
5.3.00.0100.06713.77
5.2.170.0070.02311.23
5.2.160.0000.03311.28
5.2.150.0000.03311.08
5.2.140.0030.03011.28
5.2.130.0030.02711.11
5.2.120.0170.03311.02
5.2.110.0030.02711.13
5.2.100.0070.05711.03
5.2.90.0100.05711.11
5.2.80.0070.06011.00
5.2.70.0000.04711.02
5.2.60.0070.04011.09
5.2.50.0030.04311.05
5.2.40.0070.05710.86
5.2.30.0030.06011.06
5.2.20.0070.03710.89
5.2.10.0100.03710.94
5.2.00.0000.06310.67
5.1.60.0030.05010.04
5.1.50.0030.05010.02
5.1.40.0000.0579.81
5.1.30.0070.04710.21
5.1.20.0130.04010.34
5.1.10.0030.04310.07
5.1.00.0000.05310.09
5.0.50.0000.0478.64
5.0.40.0070.0438.53
5.0.30.0030.0638.33
5.0.20.0030.0408.31
5.0.10.0030.0408.29
5.0.00.0030.0608.29
4.4.90.0000.0338.29
4.4.80.0030.0208.29
4.4.70.0030.0338.29
4.4.60.0000.0408.29
4.4.50.0000.0238.29
4.4.40.0070.0438.29
4.4.30.0000.0238.29
4.4.20.0000.0378.29
4.4.10.0000.0308.29
4.4.00.0030.0478.29
4.3.110.0030.0308.29
4.3.100.0000.0338.29
4.3.90.0030.0308.29
4.3.80.0100.0338.29
4.3.70.0000.0338.29
4.3.60.0030.0378.29
4.3.50.0030.0308.29
4.3.40.0130.0338.29
4.3.30.0000.0378.29
4.3.20.0000.0338.29
4.3.10.0000.0378.29
4.3.00.0000.0378.29

preferences:
46.37 ms | 400 KiB | 5 Q