3v4l.org

run code in 300+ PHP versions simultaneously
<?php $Contacts = "µ4µµ2µ"; mb_internal_encoding("UTF-8"); if(is_array($Contacts)) { $C = $Contacts; } else { $C = explode("µµ", substr($Contacts, 1, -1)); } print_r($C);

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)
8.3.60.0120.00318.31
8.3.50.0070.01422.06
8.3.40.0120.00318.59
8.3.30.0100.00719.05
8.3.20.0070.00020.18
8.3.10.0080.00020.33
8.3.00.0030.00619.26
8.2.180.0100.00716.63
8.2.170.0000.01522.96
8.2.160.0000.01420.35
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0050.00322.09
8.2.110.0030.00720.52
8.2.100.0120.00017.79
8.2.90.0030.00517.97
8.2.80.0040.00417.97
8.2.70.0040.00417.25
8.2.60.0050.00517.55
8.2.50.0000.00818.07
8.2.40.0070.00318.22
8.2.30.0050.00219.50
8.2.20.0040.00417.63
8.2.10.0040.00418.02
8.2.00.0030.00717.73
8.1.280.0110.00725.92
8.1.270.0090.00023.92
8.1.260.0000.00726.35
8.1.250.0050.00328.09
8.1.240.0090.00022.14
8.1.230.0120.00020.60
8.1.220.0030.00517.76
8.1.210.0030.00618.77
8.1.200.0030.00717.22
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0000.00818.59
8.1.160.0050.00221.83
8.1.150.0000.00718.75
8.1.140.0000.00717.40
8.1.130.0030.00317.71
8.1.120.0040.00417.45
8.1.110.0040.00417.42
8.1.100.0000.00717.36
8.1.90.0070.00017.32
8.1.80.0030.00617.31
8.1.70.0030.00317.28
8.1.60.0040.00417.49
8.1.50.0040.00417.42
8.1.40.0000.00817.46
8.1.30.0050.00317.48
8.1.20.0000.00717.49
8.1.10.0000.00717.50
8.1.00.0040.00417.26
8.0.300.0040.00420.14
8.0.290.0000.00716.63
8.0.280.0050.00318.48
8.0.270.0030.00316.75
8.0.260.0000.00717.11
8.0.250.0030.00316.94
8.0.240.0070.00016.91
8.0.230.0030.00516.91
8.0.220.0030.00316.88
8.0.210.0040.00416.79
8.0.200.0000.00716.87
8.0.190.0030.00316.91
8.0.180.0040.00416.84
8.0.170.0000.00816.90
8.0.160.0000.00716.68
8.0.150.0030.00316.81
8.0.140.0030.00616.80
8.0.130.0000.00513.26
8.0.120.0040.00416.84
8.0.110.0030.00316.77
8.0.100.0070.00016.89
8.0.90.0050.00216.71
8.0.80.0140.00316.73
8.0.70.0070.00016.85
8.0.60.0040.00416.65
8.0.50.0000.00716.68
8.0.30.0110.00917.02
8.0.20.0120.01117.40
8.0.10.0000.00716.78
8.0.00.0090.00816.77
7.4.330.0060.00015.01
7.4.320.0060.00016.55
7.4.300.0060.00016.36
7.4.290.0000.00716.59
7.4.280.0030.00616.43
7.4.270.0030.00316.34
7.4.260.0000.00816.39
7.4.250.0030.00616.37
7.4.240.0030.00416.57
7.4.230.0070.00016.24
7.4.220.0140.00416.59
7.4.210.0070.00716.48
7.4.200.0030.00516.38
7.4.160.0110.00516.51
7.4.150.0080.00817.40
7.4.140.0100.00717.86
7.4.130.0070.01016.38
7.4.120.0100.00816.49
7.4.110.0080.00816.49
7.4.100.0150.00616.42
7.4.90.0120.00916.34
7.4.80.0070.01019.39
7.4.70.0110.00716.45
7.4.60.0140.00316.56
7.4.50.0060.00316.53
7.4.40.0060.01016.38
7.4.30.0120.00316.55
7.4.00.0030.01514.33
7.3.330.0060.00013.07
7.3.320.0000.00512.99
7.3.310.0000.00716.20
7.3.300.0030.00316.04
7.3.290.0130.00616.16
7.3.280.0070.01016.21
7.3.270.0100.00717.40
7.3.260.0110.01116.18
7.3.250.0150.00616.29
7.3.240.0090.01016.43
7.3.230.0070.01016.39
7.3.210.0030.01416.66
7.3.200.0130.01219.39
7.3.190.0120.01016.09
7.3.180.0090.00616.44
7.3.170.0060.01016.27
7.3.160.0090.00616.09
7.2.330.0100.01316.48
7.2.320.0160.00016.43
7.2.310.0090.01316.46
7.2.300.0070.01016.36
7.2.290.0060.01116.59
7.2.00.0170.00619.31
7.1.100.0000.01118.09
7.1.70.0070.00317.07
7.1.60.0130.00019.12
7.1.50.0060.01516.93
7.1.00.0030.07722.54
7.0.200.0000.01016.81
7.0.140.0030.07022.04
7.0.60.0100.07019.91
7.0.50.0100.03717.87
7.0.40.0070.09020.29
7.0.30.0430.06720.10
7.0.20.0430.06720.25
7.0.10.0270.05720.12
7.0.00.0100.07020.22
5.6.280.0000.05321.06
5.6.210.0100.07720.72
5.6.200.0070.08318.12
5.6.190.0070.08720.51
5.6.180.0300.07720.46
5.6.170.0270.08020.44
5.6.160.0070.03720.52
5.6.150.0000.05718.28
5.6.140.0100.04718.22
5.6.130.0000.04718.26
5.6.120.0100.04020.98
5.6.110.0070.07720.96
5.6.100.0100.07320.98
5.6.90.0200.07020.95
5.6.80.0030.05720.37
5.6.70.3000.04720.36
5.5.350.0100.05720.40
5.5.340.0100.07718.08
5.5.330.0030.06020.44
5.5.320.0430.06720.50
5.5.310.0270.07720.37
5.5.300.0000.04317.98
5.5.290.0000.05017.95
5.5.280.0170.07720.82
5.5.270.0100.04020.67
5.5.260.0030.05320.92
5.5.250.0030.04720.69
5.5.240.2200.07020.13
5.4.450.0400.04319.47
5.4.440.0200.04719.47
5.4.430.0500.03319.64
5.4.420.0270.04019.62
5.4.410.0130.04019.45
5.4.400.0130.04019.45
5.4.390.0700.03719.45
5.4.380.0270.07018.80
5.4.370.0400.05018.75
5.4.360.0230.06018.53
5.4.350.0400.05718.46
5.4.340.0400.06318.75
5.4.320.0060.04012.48
5.4.310.0060.03812.48
5.4.300.0070.03512.48
5.4.290.0040.03912.48
5.4.280.0050.03912.38
5.4.270.0070.03712.38
5.4.260.0070.03912.38
5.4.250.0040.03912.38
5.4.240.0030.03812.38
5.4.230.0070.03612.37
5.4.220.0070.03612.37
5.4.210.0070.03412.37
5.4.200.0040.04012.37
5.4.190.0070.03612.36
5.4.180.0030.04012.37
5.4.170.0040.04612.38
5.4.160.0070.03412.38
5.4.150.0030.03812.37
5.4.140.0060.03712.05
5.4.130.0070.03412.04
5.4.120.0060.03412.00
5.4.110.0030.03712.00
5.4.100.0060.03411.99
5.4.90.0060.03811.99
5.4.80.0080.04411.99
5.4.70.0080.03211.99
5.4.60.0070.03311.99
5.4.50.0090.03211.99
5.4.40.0040.03711.98
5.4.30.0040.03811.97
5.4.20.0060.03411.97
5.4.10.0060.03411.98
5.4.00.0050.03511.47
5.3.290.0070.04412.80
5.3.280.0140.04512.71
5.3.270.0030.04112.72
5.3.260.0050.04112.72
5.3.250.0010.04212.72
5.3.240.0070.03712.72
5.3.230.0070.03612.71
5.3.220.0040.03912.68
5.3.210.0090.03812.68
5.3.200.0060.04512.68
5.3.190.0090.03412.68
5.3.180.0050.04012.68
5.3.170.0080.03412.67
5.3.160.0070.03512.67
5.3.150.0060.03612.67
5.3.140.0090.03312.66
5.3.130.0030.05212.66
5.3.120.0040.04012.65
5.3.110.0060.04212.66
5.3.100.0070.03812.12
5.3.90.0040.03812.09
5.3.80.0070.03512.08
5.3.70.0070.03412.08
5.3.60.0100.03112.06
5.3.50.0040.03712.01
5.3.40.0050.03612.01
5.3.30.0060.03411.97
5.3.20.0060.03911.75
5.3.10.0070.03411.71
5.3.00.0060.03611.71
5.2.170.0050.0329.20
5.2.160.0080.0339.20
5.2.150.0080.0339.20
5.2.140.0030.0329.20
5.2.130.0060.0279.16
5.2.120.0050.0279.16
5.2.110.0040.0309.17
5.2.100.0010.0319.17
5.2.90.0050.0289.16
5.2.80.0030.0329.16
5.2.70.0080.0329.16
5.2.60.0080.0269.12
5.2.50.0050.0309.08
5.2.40.0080.0299.06
5.2.30.0050.0419.04
5.2.20.0060.0309.02
5.2.10.0080.0258.93
5.2.00.0050.0308.80
5.1.60.0050.0238.06
5.1.50.0040.0258.05
5.1.40.0050.0238.04
5.1.30.0010.0298.39
5.1.20.0060.0278.41
5.1.10.0060.0258.14
5.1.00.0000.0298.14
5.0.50.0040.0226.62
5.0.40.0040.0186.47
5.0.30.0020.0356.29
5.0.20.0040.0196.26
5.0.10.0040.0196.24
5.0.00.0050.0336.23
4.4.90.0040.0154.78
4.4.80.0040.0174.76
4.4.70.0030.0184.76
4.4.60.0020.0164.75
4.4.50.0030.0154.77
4.4.40.0060.0224.71
4.4.30.0010.0184.75
4.4.20.0030.0254.85
4.4.10.0040.0194.85
4.4.00.0020.0254.75
4.3.110.0030.0234.67
4.3.100.0040.0184.66
4.3.90.0040.0154.63
4.3.80.0030.0254.59
4.3.70.0030.0134.63
4.3.60.0030.0144.63
4.3.50.0030.0214.63
4.3.40.0030.0254.54
4.3.30.0030.0153.28
4.3.20.0020.0153.26
4.3.10.0020.0213.22
4.3.00.0070.01719.45

preferences:
47.41 ms | 401 KiB | 5 Q