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)
8.3.40.0090.00618.61
8.3.30.0070.00720.13
8.3.20.0000.00720.29
8.3.10.0040.00421.96
8.3.00.0080.00022.51
8.2.170.0030.01022.96
8.2.160.0070.01022.08
8.2.150.0000.00824.18
8.2.140.0090.00024.66
8.2.130.0000.00826.16
8.2.120.0070.00020.77
8.2.110.0100.00322.25
8.2.100.0110.00017.84
8.2.90.0030.00617.91
8.2.80.0080.00017.97
8.2.70.0050.00317.50
8.2.60.0000.00818.03
8.2.50.0060.00318.07
8.2.40.0080.00018.16
8.2.30.0000.00719.34
8.2.20.0070.00017.70
8.2.10.0040.00417.75
8.2.00.0050.00317.80
8.1.270.0000.00823.99
8.1.260.0110.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00920.56
8.1.230.0110.00020.98
8.1.220.0040.00417.77
8.1.210.0080.00019.04
8.1.200.0030.00617.23
8.1.190.0000.00817.40
8.1.180.0080.00018.88
8.1.170.0030.00618.71
8.1.160.0040.00418.95
8.1.150.0020.00518.63
8.1.140.0000.00817.40
8.1.130.0000.00717.88
8.1.120.0040.00417.37
8.1.110.0040.00417.43
8.1.100.0000.00817.44
8.1.90.0030.00517.35
8.1.80.0000.00717.50
8.1.70.0000.00717.41
8.1.60.0060.00317.61
8.1.50.0040.00417.39
8.1.40.0050.00217.55
8.1.30.0040.00417.64
8.1.20.0040.00417.64
8.1.10.0070.00017.55
8.1.00.0030.00617.30
8.0.300.0070.00019.82
8.0.290.0030.00516.91
8.0.280.0030.00318.38
8.0.270.0000.00717.26
8.0.260.0030.00316.81
8.0.250.0040.00416.84
8.0.240.0030.00516.90
8.0.230.0030.00316.84
8.0.220.0000.00716.81
8.0.210.0040.00416.87
8.0.200.0030.00316.96
8.0.190.0040.00416.93
8.0.180.0030.00316.91
8.0.170.0000.00916.89
8.0.160.0000.00816.94
8.0.150.0030.00616.72
8.0.140.0040.00416.79
8.0.130.0000.00513.30
8.0.120.0040.00416.84
8.0.110.0000.00816.82
8.0.100.0000.00716.71
8.0.90.0000.00716.77
8.0.80.0100.00716.77
8.0.70.0030.00416.80
8.0.60.0000.00716.82
8.0.50.0000.00716.73
8.0.30.0120.01117.17
8.0.20.0050.01317.40
8.0.10.0050.00217.04
8.0.00.0100.01116.75
7.4.330.0050.00015.00
7.4.320.0030.00316.55
7.4.300.0070.00016.54
7.4.290.0030.00316.62
7.4.280.0030.00316.42
7.4.270.0030.00316.45
7.4.260.0050.00013.23
7.4.250.0000.00716.36
7.4.240.0020.00616.56
7.4.230.0070.00016.69
7.4.220.0100.01016.63
7.4.210.0080.00616.56
7.4.200.0000.00716.49
7.4.190.0040.00416.75
7.4.160.0060.01116.34
7.4.150.0090.00817.40
7.4.140.0120.00917.86
7.4.130.0100.00816.59
7.4.120.0060.01116.52
7.4.110.0090.01916.52
7.4.100.0030.01416.61
7.4.90.0110.00716.48
7.4.80.0100.00719.39
7.4.70.0060.01016.52
7.4.60.0090.01216.54
7.4.50.0030.00516.32
7.4.40.0060.00922.77
7.4.30.0070.00716.46
7.4.00.0100.00315.00
7.3.330.0000.00513.12
7.3.320.0020.00213.28
7.3.310.0000.00616.19
7.3.300.0000.00716.30
7.3.290.0060.00916.31
7.3.280.0110.00716.26
7.3.270.0130.00317.40
7.3.260.0130.01016.48
7.3.250.0130.00816.46
7.3.240.0090.00616.49
7.3.230.0070.01116.43
7.3.210.0160.00016.39
7.3.200.0120.00919.39
7.3.190.0100.01016.51
7.3.180.0180.00016.43
7.3.170.0090.00616.64
7.3.160.0060.00916.39
7.3.120.0070.00715.07
7.2.330.0030.01716.46
7.2.320.0120.00616.39
7.2.310.0060.01216.46
7.2.300.0130.00316.34
7.2.290.0090.01216.43
7.1.70.0000.00817.28
7.1.60.0030.02019.32
7.1.50.0120.00616.97
7.1.00.0070.05722.42
7.0.200.0050.00316.61
7.0.140.0070.07021.95
7.0.100.0370.08019.97
7.0.90.0530.07320.00
7.0.80.0500.07019.92
7.0.70.0400.07719.85
7.0.60.0200.07020.05
7.0.50.0270.07320.36
7.0.40.0100.07020.09
7.0.30.0070.04020.16
7.0.20.0070.04020.15
7.0.10.0100.03719.95
7.0.00.0100.04019.92
5.6.280.0100.06721.09
5.6.250.0100.08320.52
5.6.240.0130.07720.49
5.6.230.0070.09020.67
5.6.220.0170.07020.48
5.6.210.0100.07720.65
5.6.200.0100.07721.04
5.6.190.0030.04321.04
5.6.180.0070.04020.96
5.6.170.0100.03721.12
5.6.160.0030.04321.12
5.6.150.0030.04321.14
5.6.140.0070.04021.05
5.6.130.0030.04320.96
5.6.120.0070.05721.08
5.6.110.0070.04320.95
5.6.100.0070.04021.03
5.6.90.0000.07021.00
5.6.80.0030.05720.39
5.6.70.0170.04720.40
5.6.60.0000.04720.27
5.6.50.0030.04020.41
5.6.40.0130.03020.37
5.6.30.0070.03720.39
5.6.20.0030.04320.39
5.6.10.0000.04320.46
5.6.00.0070.03720.24
5.5.380.0100.07720.38
5.5.370.0100.07720.38
5.5.360.0100.08320.34
5.5.350.0030.08320.36
5.5.340.0070.08020.72
5.5.330.0100.03720.84
5.5.320.0070.04320.79
5.5.310.0030.04020.83
5.5.300.0030.04020.76
5.5.290.0030.04320.75
5.5.280.0030.04720.85
5.5.270.0070.04020.93
5.5.260.0070.04020.76
5.5.250.0030.07720.71
5.5.240.0130.07020.13
5.5.230.0070.03720.02
5.5.220.0030.04020.18
5.5.210.0000.04320.30
5.5.200.0170.06020.19
5.5.190.0000.04320.29
5.5.180.0030.04020.14
5.5.160.0030.04320.00
5.5.150.0070.03720.14
5.5.140.0030.04020.19
5.5.130.0000.04320.24
5.5.120.0070.03720.12
5.5.110.0100.05720.24
5.5.100.0030.08020.19
5.5.90.0130.03020.10
5.5.80.0100.04020.05
5.5.70.0130.03019.98
5.5.60.0070.03720.11
5.5.50.0100.07320.00
5.5.40.0070.07320.06
5.5.30.0130.07320.16
5.5.20.0030.08020.09
5.5.10.0130.07020.02
5.5.00.0070.08020.01
5.4.450.0030.04019.21
5.4.440.0000.05719.46
5.4.430.0070.07319.40
5.4.420.0070.06319.45
5.4.410.0030.03719.39
5.4.400.0100.06719.04
5.4.390.0030.07718.88
5.4.380.0000.04019.04
5.4.370.0030.03718.85
5.4.360.0070.04019.12
5.4.350.0130.02719.18
5.4.340.0030.03719.05
5.4.320.0000.04319.03
5.4.310.0070.03319.19
5.4.300.0030.04319.12
5.4.290.0030.03718.95
5.4.280.0030.04319.21
5.4.270.0030.03719.04
5.4.260.0030.03719.25
5.4.250.0200.02018.87
5.4.240.0000.04019.18
5.4.230.0030.03719.18
5.4.220.0130.07019.04
5.4.210.0030.06018.84
5.4.200.0030.07719.13
5.4.190.0100.03019.15
5.4.180.0030.07319.13
5.4.170.0070.07319.22
5.4.160.0070.06319.12
5.4.150.0100.07018.90
5.4.140.0030.07716.39
5.4.130.0130.06716.39
5.4.120.0100.05316.50
5.4.110.0070.08016.33
5.4.100.0130.07016.42
5.4.90.0030.07316.56
5.4.80.0030.07316.46
5.4.70.0000.07016.55
5.4.60.0070.06716.41
5.4.50.0070.06716.36
5.4.40.0070.06016.44
5.4.30.0100.06716.32
5.4.20.0200.06016.48
5.4.10.0070.07016.47
5.4.00.0030.07315.75
5.3.290.0030.04714.75
5.3.280.0030.04314.62
5.3.270.0100.04314.59
5.3.260.0100.07314.64
5.3.250.0170.06314.75
5.3.240.0030.07314.74
5.3.230.0030.05014.55
5.3.220.0000.08014.60
5.3.210.0100.06014.63
5.3.200.0070.07314.63
5.3.190.0100.07714.52
5.3.180.0100.06714.63
5.3.170.0070.05714.50
5.3.160.0130.06714.68
5.3.150.0030.07014.55
5.3.140.0070.07314.51
5.3.130.0070.06714.48
5.3.120.0030.06314.55
5.3.110.0070.07714.67
5.3.100.0100.04014.11
5.3.90.0030.04713.98
5.3.80.0100.07014.09
5.3.70.0030.07014.04
5.3.60.0070.06714.03
5.3.50.0100.06713.96
5.3.40.0130.06314.01
5.3.30.0030.08013.96
5.3.20.0030.07013.75
5.3.10.0100.05713.77
5.3.00.0030.07313.75
5.2.170.0070.06011.26
5.2.160.0070.05711.27
5.2.150.0130.05711.04
5.2.140.0000.05311.17
5.2.130.0000.06011.21
5.2.120.0130.05311.10
5.2.110.0030.06311.22
5.2.100.0030.03311.10
5.2.90.0030.03010.99
5.2.80.0100.05710.98
5.2.70.0030.05011.23
5.2.60.0000.06311.12
5.2.50.0130.05010.89
5.2.40.0070.06310.91
5.2.30.0070.05711.03
5.2.20.0030.06010.83
5.2.10.0070.05710.82
5.2.00.0100.05010.66
5.1.60.0100.04310.11
5.1.50.0070.04010.11
5.1.40.0000.05710.11
5.1.30.0070.05010.25
5.1.20.0070.05010.42
5.1.10.0000.05710.11
5.1.00.0030.05710.11
5.0.50.0030.04310.11
5.0.40.0030.02710.11
5.0.30.0030.06710.11
5.0.20.0070.03710.11
5.0.10.0070.04010.11
5.0.00.0070.06010.11
4.4.90.0070.03010.11
4.4.80.0030.03310.11
4.4.70.0000.03710.11
4.4.60.0000.02710.11
4.4.50.0000.03710.11
4.4.40.0070.04310.11
4.4.30.0070.03010.11
4.4.20.0070.01310.11
4.4.10.0000.02010.11
4.4.00.0000.05310.11
4.3.110.0030.03010.11
4.3.100.0030.03310.11
4.3.90.0070.03010.11
4.3.80.0030.05310.11
4.3.70.0070.03010.11
4.3.60.0030.03310.11
4.3.50.0030.03310.11
4.3.40.0030.04010.11
4.3.30.0000.02010.11
4.3.20.0000.03710.11
4.3.10.0030.03310.11
4.3.00.0000.02710.11

preferences:
38.95 ms | 400 KiB | 5 Q