3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace A { const Z = 9; define ('X', 0); } namespace B { const Z = 8; } namespace { use B as BB; const Z = 7; echo B::Z; }

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)
8.3.60.0130.00618.56
8.3.50.0120.00621.14
8.3.40.0120.00318.58
8.3.30.0100.00719.93
8.3.20.0050.00320.09
8.3.10.0000.00721.96
8.3.00.0040.00422.39
8.2.180.0140.00716.63
8.2.170.0040.01122.96
8.2.160.0070.00722.08
8.2.150.0030.00524.18
8.2.140.0000.00824.66
8.2.130.0050.00226.16
8.2.120.0000.00820.87
8.2.110.0110.00721.18
8.2.100.0000.01117.72
8.2.90.0040.00419.26
8.2.80.0050.00317.97
8.2.70.0000.00917.63
8.2.60.0030.00617.80
8.2.50.0000.00818.07
8.2.40.0000.00718.21
8.2.30.0040.00419.28
8.2.20.0000.00817.71
8.2.10.0070.00017.64
8.2.00.0070.00017.80
8.1.280.0060.00925.92
8.1.270.0040.00423.99
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00421.31
8.1.230.0030.00917.51
8.1.220.0000.00717.79
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0000.00818.54
8.1.160.0070.00018.81
8.1.150.0070.00018.46
8.1.140.0040.00417.33
8.1.130.0000.00717.74
8.1.120.0000.00817.39
8.1.110.0040.00417.38
8.1.100.0070.00017.43
8.1.90.0000.00717.35
8.1.80.0000.00717.33
8.1.70.0030.00317.31
8.1.60.0000.00917.38
8.1.50.0040.00417.37
8.1.40.0060.00317.41
8.1.30.0040.00417.52
8.1.20.0050.00317.57
8.1.10.0000.00717.47
8.1.00.0000.00717.39
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0000.00718.45
8.0.270.0030.00317.24
8.0.260.0060.00016.86
8.0.250.0070.00016.98
8.0.240.0040.00417.06
8.0.230.0070.00016.98
8.0.220.0000.00616.86
8.0.210.0030.00516.96
8.0.200.0030.00316.89
8.0.190.0000.00916.99
8.0.180.0040.00416.87
8.0.170.0090.00016.80
8.0.160.0040.00416.92
8.0.150.0070.00016.87
8.0.140.0060.00316.97
8.0.130.0000.00613.45
8.0.120.0040.00416.80
8.0.110.0040.00416.86
8.0.100.0050.00216.82
8.0.90.0040.00416.98
8.0.80.0050.01116.89
8.0.70.0070.00017.05
8.0.60.0040.00416.77
8.0.50.0050.00216.81
8.0.30.0090.01417.18
8.0.20.0120.00717.40
8.0.10.0050.00316.96
8.0.00.0170.00316.71
7.4.330.0060.00016.79
7.4.320.0000.00716.41
7.4.300.0000.00716.52
7.4.290.0070.00016.43
7.4.280.0030.00316.41
7.4.270.0000.00716.44
7.4.260.0000.00513.26
7.4.250.0000.00716.53
7.4.240.0000.00716.43
7.4.230.0070.00016.34
7.4.220.0070.01016.50
7.4.210.0070.00916.49
7.4.200.0000.00716.47
7.4.190.0000.00716.50
7.4.160.0180.00616.26
7.4.150.0090.00917.40
7.4.140.0070.01017.86
7.4.130.0090.00916.47
7.4.120.0110.00716.51
7.4.110.0060.01216.46
7.4.100.0120.00616.33
7.4.90.0110.00616.29
7.4.80.0120.00619.39
7.4.70.0140.00316.61
7.4.60.0100.00716.21
7.4.50.0000.00816.42
7.4.40.0030.01422.77
7.4.30.0030.01316.36
7.4.00.0100.00315.05
7.3.330.0000.00513.05
7.3.320.0050.00013.17
7.3.310.0000.00716.09
7.3.300.0070.00016.30
7.3.290.0040.00916.36
7.3.280.0090.00616.23
7.3.270.0100.00717.40
7.3.260.0080.00816.25
7.3.250.0110.00616.34
7.3.240.0120.00916.26
7.3.230.0120.00616.39
7.3.210.0030.01416.38
7.3.200.0170.00619.39
7.3.190.0150.00616.54
7.3.180.0120.00416.48
7.3.170.0160.00016.29
7.3.160.0080.00816.38
7.3.120.0040.01114.96
7.2.330.0090.00916.54
7.2.320.0110.01016.53
7.2.310.0030.01516.62
7.2.300.0130.01016.68
7.2.290.0070.01016.56
7.2.60.0060.00616.63
7.2.50.0060.00916.79
7.2.00.0090.00619.04
7.1.200.0060.00615.59
7.1.70.0040.00416.97
7.1.60.0030.02019.17
7.1.50.0040.01916.80
7.1.00.0070.06322.47
7.0.200.0070.01016.77
7.0.140.0030.07021.95
7.0.70.0030.05721.66
7.0.60.0100.03721.82
7.0.50.0070.03722.06
7.0.40.0030.08320.14
7.0.30.0070.03320.04
7.0.20.0030.04020.05
7.0.10.0070.03020.14
7.0.00.0030.04320.10
5.6.280.0100.06720.85
5.6.220.0030.04020.48
5.6.210.0100.06720.64
5.6.200.0100.06021.01
5.6.190.0000.05021.11
5.6.180.0000.04320.93
5.6.170.0000.03721.11
5.6.160.0000.03721.03
5.6.150.0000.04321.10
5.6.140.0070.05321.10
5.6.130.0070.03721.11
5.6.120.0030.04021.11
5.6.110.0070.03721.00
5.6.100.0100.03321.00
5.6.90.0030.03721.02
5.6.80.0000.04720.40
5.6.70.0030.03720.48
5.6.60.0070.03320.40
5.6.50.0070.04320.55
5.6.40.0000.04020.48
5.6.30.0000.04020.38
5.6.20.0070.03320.52
5.6.10.0030.04320.30
5.6.00.0000.05020.36
5.5.360.0030.04020.45
5.5.350.0100.05720.41
5.5.340.0070.03720.88
5.5.330.0000.04720.88
5.5.320.0030.04020.87
5.5.310.0030.05320.75
5.5.300.0070.03720.83
5.5.290.0030.04020.72
5.5.280.0030.04020.77
5.5.270.0030.04020.79
5.5.260.0030.04020.86
5.5.250.0030.08020.45
5.5.240.0000.03320.30
5.5.230.0030.05320.13
5.5.220.0030.04020.10
5.5.210.0000.03320.16
5.5.200.0000.04320.10
5.5.190.0030.03720.11
5.5.180.0070.03020.17
5.5.160.0030.08020.07
5.5.150.0030.08020.26
5.5.140.0000.08020.13
5.5.130.0100.07320.07
5.5.120.0030.06020.11
5.5.110.0100.07720.19
5.5.100.0100.07320.00
5.5.90.0000.07720.04
5.5.80.0100.07320.05
5.5.70.0070.07319.93
5.5.60.0030.08320.05
5.5.50.0000.06020.04
5.5.40.0000.06720.14
5.5.30.0100.07320.13
5.5.20.0070.08019.98
5.5.10.0030.08319.99
5.5.00.0070.05020.04
5.4.450.0000.04019.47
5.4.440.0030.03719.47
5.4.430.0070.03319.35
5.4.420.0000.04019.38
5.4.410.0030.03719.26
5.4.400.0030.04019.10
5.4.390.0000.04018.97
5.4.380.0000.04319.12
5.4.370.0100.05318.79
5.4.360.0030.03718.79
5.4.350.0000.03318.90
5.4.340.0030.03718.90
5.4.320.0030.07319.05
5.4.310.0130.05718.98
5.4.300.0030.06018.89
5.4.290.0000.06719.04
5.4.280.0030.06018.78
5.4.270.0030.07019.17
5.4.260.0030.08018.78
5.4.250.0000.06319.04
5.4.240.0030.05718.81
5.4.230.0000.05018.80
5.4.220.0070.07718.90
5.4.210.0030.06319.09
5.4.200.0100.03719.04
5.4.190.0000.05718.93
5.4.180.0070.07019.01
5.4.170.0130.05018.89
5.4.160.0070.07319.10
5.4.150.0100.07319.02
5.4.140.0000.08016.39
5.4.130.0030.07716.33
5.4.120.0030.06716.38
5.4.110.0000.08016.44
5.4.100.0030.07316.26
5.4.90.0030.07316.30
5.4.80.0070.07716.36
5.4.70.0030.07316.43
5.4.60.0030.07316.41
5.4.50.0030.07716.18
5.4.40.0070.07016.47
5.4.30.0100.06716.39
5.4.20.0000.07716.18
5.4.10.0000.07716.29
5.4.00.0000.04315.82
5.3.290.0030.05014.64
5.3.280.0030.08014.44
5.3.270.0030.08014.43
5.3.260.0000.06714.46
5.3.250.0030.07714.43
5.3.240.0070.08014.46
5.3.230.0030.05714.59
5.3.220.0030.05714.52
5.3.210.0070.06314.54
5.3.200.0100.06714.55
5.3.190.0000.07714.52
5.3.180.0030.04714.41
5.3.170.0070.07014.53
5.3.160.0000.05314.39
5.3.150.0030.07714.55
5.3.140.0030.08314.50
5.3.130.0000.08014.53
5.3.120.0030.08014.50
5.3.110.0030.05014.53
5.3.100.0030.08014.03
5.3.90.0030.04713.85
5.3.80.0030.03713.86
5.3.70.0070.06713.87
5.3.60.0000.03713.98
5.3.50.0070.07313.71
5.3.40.0030.05013.90
5.3.30.0000.07313.81
5.3.20.0070.05713.48
5.3.10.0100.06313.65
5.3.00.0070.07313.57
5.2.170.0030.06313.11
5.2.160.0030.04713.11
5.2.150.0100.05713.11
5.2.140.0030.06013.11
5.2.130.0070.06013.11
5.2.120.0030.05013.11
5.2.110.0030.05013.11
5.2.100.0000.05713.11
5.2.90.0000.06313.11
5.2.80.0030.05013.11
5.2.70.0030.06313.11
5.2.60.0030.03013.11
5.2.50.0030.06313.11
5.2.40.0030.05013.11
5.2.30.0030.04313.11
5.2.20.0030.06313.11
5.2.10.0070.04713.11
5.2.00.0030.06013.11
5.1.60.0030.05013.11
5.1.50.0000.05013.11
5.1.40.0070.05013.11
5.1.30.0100.04013.11
5.1.20.0030.04013.11
5.1.10.0000.04313.11
5.1.00.0000.05013.11
5.0.50.0000.04313.11
5.0.40.0000.04713.11
5.0.30.0000.06313.11
5.0.20.0000.04713.11
5.0.10.0030.04313.11
5.0.00.0000.06713.11
4.4.90.0000.02013.11
4.4.80.0030.02713.11
4.4.70.0000.03713.11
4.4.60.0030.03313.11
4.4.50.0030.03013.11
4.4.40.0000.05713.11
4.4.30.0030.03313.11
4.4.20.0030.03313.11
4.4.10.0070.03313.11
4.4.00.0000.05313.11
4.3.110.0030.02313.11
4.3.100.0030.02313.11
4.3.90.0070.03013.11
4.3.80.0000.04013.11
4.3.70.0000.03713.11
4.3.60.0070.03313.11
4.3.50.0130.02013.11
4.3.40.0100.04713.11
4.3.30.0000.02713.11
4.3.20.0000.03013.11
4.3.10.0130.02313.11
4.3.00.0000.03313.11

preferences:
44.82 ms | 401 KiB | 5 Q