3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a() { return 'a'; } echo a()();

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)
8.3.40.0200.00018.66
8.3.30.0100.00718.71
8.3.20.0000.00818.64
8.3.10.0080.00021.01
8.3.00.0040.00423.66
8.2.170.0120.00322.96
8.2.160.0130.00020.43
8.2.150.0000.00824.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0070.00021.00
8.2.110.0040.00722.12
8.2.100.0080.00417.78
8.2.90.0040.00419.05
8.2.80.0000.00917.97
8.2.70.0040.00417.38
8.2.60.0040.00417.92
8.2.50.0040.00418.07
8.2.40.0060.00318.06
8.2.30.0080.00021.22
8.2.20.0040.00417.48
8.2.10.0000.00717.55
8.2.00.0060.00317.41
8.1.270.0070.00023.99
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00719.14
8.1.230.0040.00720.97
8.1.220.0050.00318.77
8.1.210.0000.00818.89
8.1.200.0070.00317.00
8.1.190.0040.00417.40
8.1.180.0080.00018.10
8.1.170.0040.00418.50
8.1.160.0070.00018.80
8.1.150.0040.00418.55
8.1.140.0080.00017.23
8.1.130.0000.00717.74
8.1.120.0040.00417.36
8.1.110.0050.00317.22
8.1.100.0040.00417.37
8.1.90.0000.00817.36
8.1.80.0000.00817.26
8.1.70.0070.00017.31
8.1.60.0000.00717.39
8.1.50.0030.00517.40
8.1.40.0040.00417.31
8.1.30.0000.00817.58
8.1.20.0040.00417.59
8.1.10.0030.00517.38
8.1.00.0070.00017.43
8.0.300.0000.00720.02
8.0.290.0080.00017.13
8.0.280.0040.00418.42
8.0.270.0030.00317.28
8.0.260.0000.00616.75
8.0.250.0000.00716.92
8.0.240.0040.00416.95
8.0.230.0000.00716.75
8.0.220.0030.00316.83
8.0.210.0000.00716.84
8.0.200.0030.00316.77
8.0.190.0040.00416.75
8.0.180.0050.00216.77
8.0.170.0000.00916.82
8.0.160.0040.00416.74
8.0.150.0040.00416.68
8.0.140.0040.00416.81
8.0.130.0030.00313.20
8.0.120.0030.00316.79
8.0.110.0000.00716.91
8.0.100.0000.00716.78
8.0.90.0080.00016.94
8.0.80.0120.00416.75
8.0.70.0040.00416.91
8.0.60.0000.00716.72
8.0.50.0040.00416.72
8.0.30.0090.00916.85
8.0.20.0080.01117.40
8.0.10.0000.00816.88
8.0.00.0080.01216.77
7.4.330.0060.00014.73
7.4.320.0030.00516.32
7.4.300.0050.00216.50
7.4.290.0070.00016.58
7.4.280.0000.00616.47
7.4.270.0040.00416.51
7.4.260.0030.00313.23
7.4.250.0040.00416.45
7.4.240.0030.00316.56
7.4.230.0030.00316.47
7.4.220.0050.01016.55
7.4.210.0070.00816.62
7.4.200.0000.00716.70
7.4.190.0040.00416.74
7.4.160.0090.00616.43
7.4.150.0100.01017.40
7.4.140.0140.00617.86
7.4.130.0120.00516.57
7.4.120.0110.00616.50
7.4.110.0090.00916.36
7.4.100.0120.00616.34
7.4.90.0130.00316.30
7.4.80.0040.01419.39
7.4.70.0060.01616.57
7.4.60.0110.00716.40
7.4.50.0070.00016.31
7.4.40.0070.01122.52
7.4.30.0130.00416.49
7.4.00.0060.00915.00
7.3.330.0000.00513.30
7.3.320.0050.00013.30
7.3.310.0040.00416.21
7.3.300.0060.00016.06
7.3.290.0060.00916.27
7.3.280.0050.01016.25
7.3.270.0070.01017.40
7.3.260.0150.00818.24
7.3.250.0130.00716.43
7.3.240.0110.01216.53
7.3.230.0030.01316.39
7.3.210.0080.00816.26
7.3.200.0090.00919.39
7.3.190.0060.01116.21
7.3.180.0100.00716.36
7.3.170.0090.00916.27
7.3.160.0120.00316.45
7.3.120.0100.00314.51
7.2.330.0040.01516.59
7.2.320.0090.01516.68
7.2.310.0030.01516.17
7.2.300.0070.00716.57
7.2.290.0030.01616.68
7.2.60.0090.00316.66
7.2.00.0060.00619.41
7.1.200.0090.00615.56
7.1.100.0040.00717.66
7.1.70.0030.00716.81
7.1.60.0100.01019.40
7.1.50.0100.00716.86
7.1.00.0000.04022.54
7.0.200.0000.00816.68
7.0.140.0030.07022.07
7.0.60.0100.07721.71
7.0.50.0070.07722.05
7.0.40.0030.08720.18
7.0.30.0000.09020.10
7.0.20.0000.09020.19
7.0.10.0070.08320.10
7.0.00.0100.08020.03
5.6.280.0100.06321.09
5.6.210.0070.07720.47
5.6.200.0070.08021.01
5.6.190.0000.08720.99
5.6.180.0070.05021.13
5.6.170.0130.07321.00
5.6.160.0000.07721.13
5.6.150.0030.08720.95
5.6.140.0030.08721.00
5.6.130.0030.05021.02
5.6.120.0070.08021.10
5.6.110.0070.07720.96
5.6.100.0070.08320.96
5.6.90.0070.08020.97
5.6.80.0100.05020.41
5.6.70.0100.07720.52
5.6.60.0030.06720.37
5.6.50.0000.06320.29
5.6.40.0000.08320.48
5.6.30.0070.07020.26
5.6.20.0100.06020.45
5.6.10.0070.07020.35
5.6.00.0070.07320.29
5.5.350.0000.08020.32
5.5.340.0070.08020.66
5.5.330.0130.07320.87
5.5.320.0070.08320.80
5.5.310.0030.07720.73
5.5.300.0100.05320.68
5.5.290.0030.08020.98
5.5.280.0030.08320.88
5.5.270.0070.08320.76
5.5.260.0000.07020.86
5.5.250.0100.06720.61
5.5.240.0000.07020.07
5.5.230.0030.03720.25
5.5.220.0070.07720.25
5.5.210.0070.07320.18
5.5.200.0070.06720.16
5.5.190.0030.08020.12
5.5.180.0030.08720.24
5.5.160.0030.07020.15
5.5.150.0070.07720.08
5.5.140.0070.08020.15
5.5.130.0000.07720.12
5.5.120.0000.08320.03
5.5.110.0130.07020.11
5.5.100.0100.07020.22
5.5.90.0070.05719.85
5.5.80.0000.08320.11
5.5.70.0000.07719.95
5.5.60.0100.07320.11
5.5.50.0000.07719.86
5.5.40.0000.07320.03
5.5.30.0030.08020.03
5.5.20.0030.07720.00
5.5.10.0000.08020.09
5.5.00.0130.06319.98
5.4.450.0070.07319.36
5.4.440.0070.07019.36
5.4.430.0030.07719.52
5.4.420.0100.07019.36
5.4.410.0100.07019.40
5.4.400.0030.05719.05
5.4.390.0030.05019.12
5.4.380.0070.03318.92
5.4.370.0070.06719.07
5.4.360.0000.04319.04
5.4.350.0000.07719.22
5.4.340.0030.07318.92
5.4.320.0030.06319.18
5.4.310.0030.07319.02
5.4.300.0030.07719.07
5.4.290.0000.06019.16
5.4.280.0070.06718.92
5.4.270.0130.06018.90
5.4.260.0030.07719.07
5.4.250.0070.07019.06
5.4.240.0070.07019.16
5.4.230.0030.08319.06
5.4.220.0070.06019.13
5.4.210.0070.07319.16
5.4.200.0100.07319.00
5.4.190.0000.07719.05
5.4.180.0070.06718.91
5.4.170.0030.04719.00
5.4.160.0030.08019.05
5.4.150.0030.07019.05
5.4.140.0030.07016.42
5.4.130.0030.07016.45
5.4.120.0100.06716.46
5.4.110.0000.05716.49
5.4.100.0070.03716.54
5.4.90.0030.03716.37
5.4.80.0100.03016.29
5.4.70.0100.03016.36
5.4.60.0030.04016.38
5.4.50.0030.03316.31
5.4.40.0070.03316.40
5.4.30.0030.03716.30
5.4.20.0070.03016.22
5.4.10.0130.04016.34
5.4.00.0030.03715.90
5.3.290.0070.04714.71
5.3.280.0070.06714.55
5.3.270.0070.07714.69
5.3.260.0000.07714.66
5.3.250.0070.07014.66
5.3.240.0030.06314.46
5.3.230.0030.07714.51
5.3.220.0030.06314.61
5.3.210.0030.07714.56
5.3.200.0030.04314.43
5.3.190.0000.04014.44
5.3.180.0030.04014.58
5.3.170.0070.03314.49
5.3.160.0030.03714.42
5.3.150.0030.03714.61
5.3.140.0070.02714.59
5.3.130.0030.03714.46
5.3.120.0000.04014.65
5.3.110.0070.03714.61
5.3.100.0000.03714.09
5.3.90.0030.03314.08
5.3.80.0030.03014.03
5.3.70.0000.03313.83
5.3.60.0070.02313.99
5.3.50.0030.03713.93
5.3.40.0030.04013.85
5.3.30.0030.02713.96
5.3.20.0000.03013.78
5.3.10.0030.02713.71
5.3.00.0000.03013.71
5.2.170.0000.04011.16
5.2.160.0000.03011.19
5.2.150.0000.02311.15
5.2.140.0030.02311.20
5.2.130.0000.02711.15
5.2.120.0030.02011.14
5.2.110.0030.02011.00
5.2.100.0030.02311.11
5.2.90.0030.02010.95
5.2.80.0000.02311.16
5.2.70.0000.02311.07
5.2.60.0000.02311.05
5.2.50.0030.02010.86
5.2.40.0070.01711.09
5.2.30.0000.02310.98
5.2.20.0000.02310.97
5.2.10.0000.02310.91
5.2.00.0000.02710.73
5.1.60.0000.02310.69
5.1.50.0000.02010.69
5.1.40.0030.02010.69
5.1.30.0030.02710.69
5.1.20.0000.03310.69
5.1.10.0000.02010.69
5.1.00.0030.01710.69
5.0.50.0000.01710.69
5.0.40.0000.01710.69
5.0.30.0000.03310.69
5.0.20.0070.03710.69
5.0.10.0030.04310.69
5.0.00.0000.06010.69
4.4.90.0030.01010.69
4.4.80.0000.01310.69
4.4.70.0030.01010.69
4.4.60.0000.01310.69
4.4.50.0000.01010.69
4.4.40.0000.02010.69
4.4.30.0000.01310.69
4.4.20.0000.01710.69
4.4.10.0000.01310.69
4.4.00.0000.02310.69
4.3.110.0030.01010.69
4.3.100.0000.02310.69
4.3.90.0000.03010.69
4.3.80.0030.05310.69
4.3.70.0070.02710.69
4.3.60.0000.03710.69
4.3.50.0030.03010.69
4.3.40.0000.04710.69
4.3.30.0030.03010.69
4.3.20.0030.03010.69
4.3.10.0030.02710.69
4.3.00.0000.03710.69

preferences:
47.18 ms | 400 KiB | 5 Q