3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'µ'; $$a = "Nano"; echo ${'µ'};

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)
8.3.60.0070.00718.43
8.3.50.0080.01121.14
8.3.40.0000.01518.72
8.3.30.0100.00319.09
8.3.20.0040.00420.34
8.3.10.0000.00823.48
8.3.00.0080.00019.13
8.2.180.0120.00916.75
8.2.170.0030.01022.96
8.2.160.0070.00720.53
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0100.00626.16
8.2.120.0030.00522.12
8.2.110.0060.00320.48
8.2.100.0040.00818.09
8.2.90.0000.00819.15
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0030.00618.05
8.2.50.0000.00818.07
8.2.40.0040.00419.82
8.2.30.0040.00418.14
8.2.20.0060.00317.76
8.2.10.0030.00617.99
8.2.00.0000.00717.56
8.1.280.0120.00425.92
8.1.270.0000.00822.11
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.92
8.1.230.0080.00419.02
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0090.00017.23
8.1.180.0000.00918.10
8.1.170.0060.00318.66
8.1.160.0040.00422.00
8.1.150.0000.00718.88
8.1.140.0080.00017.47
8.1.130.0030.00317.92
8.1.120.0000.00717.37
8.1.110.0000.00817.35
8.1.100.0000.00717.50
8.1.90.0070.00017.31
8.1.80.0040.00417.42
8.1.70.0070.00017.33
8.1.60.0060.00317.48
8.1.50.0040.00417.50
8.1.40.0030.00617.54
8.1.30.0040.00417.63
8.1.20.0030.00517.55
8.1.10.0080.00317.52
8.1.00.0000.00917.29
8.0.300.0050.00218.77
8.0.290.0070.00016.75
8.0.280.0000.00718.43
8.0.270.0070.00017.12
8.0.260.0060.00017.32
8.0.250.0050.00316.96
8.0.240.0080.00016.98
8.0.230.0000.00816.92
8.0.220.0000.00716.93
8.0.210.0080.00016.79
8.0.200.0000.00616.83
8.0.190.0080.00316.86
8.0.180.0030.00516.78
8.0.170.0040.00416.81
8.0.160.0000.00717.02
8.0.150.0070.00016.89
8.0.140.0000.00716.79
8.0.130.0050.00013.27
8.0.120.0040.00416.75
8.0.110.0050.00216.87
8.0.100.0040.00416.76
8.0.90.0040.00416.82
8.0.80.0120.00916.82
8.0.70.0000.00716.83
8.0.60.0000.00716.88
8.0.50.0040.00416.83
8.0.30.0140.00916.93
8.0.20.0060.01117.40
8.0.10.0000.00817.04
8.0.00.0050.01216.67
7.4.330.0000.00515.00
7.4.320.0070.00016.36
7.4.300.0030.00316.54
7.4.290.0000.00716.48
7.4.280.0000.00716.44
7.4.270.0030.00316.57
7.4.260.0100.00016.50
7.4.250.0050.00216.54
7.4.240.0040.00416.64
7.4.230.0000.00816.68
7.4.220.0070.01016.61
7.4.210.0100.00616.49
7.4.200.0040.00416.64
7.4.160.0090.00616.55
7.4.150.0100.00617.40
7.4.140.0120.00817.86
7.4.130.0100.01016.58
7.4.120.0070.01116.52
7.4.110.0060.01116.54
7.4.100.0090.01116.57
7.4.90.0100.00716.58
7.4.80.0070.01719.39
7.4.70.0130.00316.52
7.4.60.0070.01016.36
7.4.50.0020.00216.32
7.4.40.0060.01316.53
7.4.30.0040.01316.43
7.4.00.0140.00015.15
7.3.330.0000.00613.10
7.3.320.0020.00213.02
7.3.310.0000.00716.32
7.3.300.0040.00416.24
7.3.290.0000.01516.23
7.3.280.0080.01116.27
7.3.270.0030.01417.40
7.3.260.0030.01316.29
7.3.250.0110.00716.36
7.3.240.0040.01216.36
7.3.230.0140.00316.39
7.3.210.0050.01116.43
7.3.200.0070.01619.39
7.3.190.0070.01416.36
7.3.180.0090.00916.29
7.3.170.0030.01216.27
7.3.160.0120.00916.29
7.2.330.0140.00416.42
7.2.320.0090.01216.64
7.2.310.0100.00716.44
7.2.300.0120.00816.64
7.2.290.0100.00616.25
7.2.00.0030.00619.19
7.1.100.0000.01518.18
7.1.70.0000.00716.69
7.1.60.0100.01419.32
7.1.50.0160.00616.62
7.1.00.0000.08022.54
7.0.200.0070.00316.70
7.0.140.0070.07022.15
7.0.60.0200.06720.02
7.0.50.0070.05317.83
7.0.40.0070.04319.89
7.0.30.0170.04720.21
7.0.20.0270.04320.09
7.0.10.0170.06020.30
7.0.00.0030.04320.31
5.6.280.0030.05020.84
5.6.210.0100.07320.53
5.6.200.0070.08718.17
5.6.190.0130.08320.41
5.6.180.0230.04020.75
5.6.170.0370.08020.59
5.6.160.0030.08720.40
5.6.150.0070.04018.17
5.6.140.0070.03718.08
5.6.130.0030.06318.15
5.6.120.0030.08720.98
5.6.110.0130.07720.96
5.6.100.0030.09021.13
5.6.90.0130.08720.94
5.6.80.0030.06320.34
5.6.70.0270.07020.39
5.5.350.0070.08320.29
5.5.340.0000.04317.97
5.5.330.0130.07320.40
5.5.320.0000.08720.23
5.5.310.0300.07720.28
5.5.300.0030.07318.00
5.5.290.0070.08017.92
5.5.280.0000.08720.97
5.5.270.0100.05720.95
5.5.260.0070.06020.64
5.5.250.0130.06720.79
5.5.240.0030.09020.22
5.4.450.0770.04719.13
5.4.440.0870.05319.46
5.4.430.1030.05319.44
5.4.420.0630.00019.68
5.4.410.0670.00019.20
5.4.400.0600.00019.21
5.4.390.0630.00019.27
5.4.380.0870.00019.06
5.4.370.0630.00018.96
5.4.360.0630.00019.00
5.4.350.0700.00019.00
5.4.340.0070.04411.97
5.4.320.0050.03612.45
5.4.310.0070.04212.45
5.4.300.0050.03612.45
5.4.290.0060.03812.45
5.4.280.0060.03412.35
5.4.270.0030.03912.34
5.4.260.0060.03612.34
5.4.250.0030.03912.35
5.4.240.0080.03612.35
5.4.230.0040.03812.34
5.4.220.0080.03612.34
5.4.210.0050.03912.34
5.4.200.0050.03812.34
5.4.190.0030.03812.33
5.4.180.0060.03712.34
5.4.170.0070.03612.35
5.4.160.0070.03812.34
5.4.150.0070.03712.34
5.4.140.0030.04012.02
5.4.130.0060.03412.01
5.4.120.0060.03411.97
5.4.110.0050.03511.96
5.4.100.0030.04211.96
5.4.90.0040.04111.96
5.4.80.0040.03911.96
5.4.70.0060.03411.96
5.4.60.0060.03411.96
5.4.50.0070.03511.96
5.4.40.0060.03411.95
5.4.30.0060.03411.95
5.4.20.0060.03511.95
5.4.10.0060.03411.94
5.4.00.0050.03511.44
5.3.290.0040.04012.80
5.3.280.0070.03612.71
5.3.270.0060.03912.72
5.3.260.0060.03712.72
5.3.250.0110.03412.72
5.3.240.0080.03412.72
5.3.230.0090.04012.70
5.3.220.0090.03512.68
5.3.210.0060.04112.68
5.3.200.0060.03712.68
5.3.190.0060.04012.68
5.3.180.0060.03812.68
5.3.170.0060.03512.67
5.3.160.0060.03612.67
5.3.150.0070.03512.67
5.3.140.0060.03612.66
5.3.130.0030.04112.66
5.3.120.0040.04012.66
5.3.110.0070.03712.66
5.3.100.0060.03612.12
5.3.90.0050.04712.08
5.3.80.0060.04212.07
5.3.70.0080.04012.07
5.3.60.0040.03912.06
5.3.50.0050.04112.00
5.3.40.0060.03512.00
5.3.30.0040.03611.94
5.3.20.0050.03511.72
5.3.10.0060.03311.69
5.3.00.0050.03711.67
5.2.170.0050.0309.18
5.2.160.0080.0269.18
5.2.150.0090.0319.17
5.2.140.0030.0329.17
5.2.130.0070.0259.13
5.2.120.0030.0289.13
5.2.110.0030.0329.14
5.2.100.0050.0279.13
5.2.90.0010.0329.13
5.2.80.0050.0349.13
5.2.70.0040.0319.13
5.2.60.0050.0289.08
5.2.50.0020.0319.05
5.2.40.0040.0289.03
5.2.30.0040.0299.00
5.2.20.0030.0308.99
5.2.10.0050.0278.91
5.2.00.0050.0288.77
5.1.60.0050.0228.06
5.1.50.0040.0248.05
5.1.40.0020.0268.04
5.1.30.0050.0248.39
5.1.20.0040.0258.41
5.1.10.0040.0258.13
5.1.00.0040.0258.13
5.0.50.0050.0196.61
5.0.40.0040.0206.47
5.0.30.0050.0376.28
5.0.20.0030.0196.26
5.0.10.0040.0196.23
5.0.00.0040.0306.22
4.4.90.0020.0154.78
4.4.80.0020.0154.75
4.4.70.0020.0164.75
4.4.60.0020.0154.76
4.4.50.0020.0214.77
4.4.40.0010.0264.71
4.4.30.0040.0144.76
4.4.20.0030.0154.84
4.4.10.0060.0124.85
4.4.00.0020.0264.76
4.3.110.0020.0164.67
4.3.100.0030.0154.67
4.3.90.0040.0134.63
4.3.80.0030.0254.58
4.3.70.0020.0164.63
4.3.60.0040.0134.63
4.3.50.0020.0164.62
4.3.40.0020.0244.54
4.3.30.0010.0173.28
4.3.20.0030.0233.25
4.3.10.0020.0163.21
4.3.00.0170.0237.21

preferences:
46.94 ms | 401 KiB | 5 Q