3v4l.org

run code in 300+ PHP versions simultaneously
<?php $A = "µPhysik I~1µ"; $Ar = explode("µµ", mb_substr($A, 1, -1, "UTF-8")); print_r($Ar); $A = count($Ar) > 0 ? "µ".implode("µµ", $Ar)."µ" : ""; print_r($A); $Ar = explode("µµ", mb_substr($A, 1, -1, "UTF-8")); print_r($Ar); print_r(explode("~", $Ar[0]));

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)
8.3.60.0110.00418.30
8.3.50.0170.00821.97
8.3.40.0120.00418.70
8.3.30.0060.00919.09
8.3.20.0040.00420.21
8.3.10.0060.00320.47
8.3.00.0040.00419.25
8.2.180.0140.00716.63
8.2.170.0070.01122.96
8.2.160.0080.00820.39
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0050.00322.05
8.2.110.0030.00722.21
8.2.100.0000.01117.96
8.2.90.0100.00017.75
8.2.80.0000.00818.84
8.2.70.0060.00317.93
8.2.60.0000.00718.16
8.2.50.0030.00618.10
8.2.40.0030.00520.66
8.2.30.0040.00419.41
8.2.20.0040.00417.61
8.2.10.0030.00617.99
8.2.00.0040.00417.79
8.1.280.0140.00725.92
8.1.270.0040.00423.91
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0000.01019.19
8.1.230.0000.01118.96
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0000.00817.35
8.1.190.0040.00416.88
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0070.00022.18
8.1.150.0020.00518.86
8.1.140.0040.00417.37
8.1.130.0000.00817.81
8.1.120.0000.00717.47
8.1.110.0000.00717.33
8.1.100.0030.00317.52
8.1.90.0000.00717.34
8.1.80.0050.00317.44
8.1.70.0040.00417.37
8.1.60.0000.00917.54
8.1.50.0000.00817.59
8.1.40.0040.00417.48
8.1.30.0000.00817.55
8.1.20.0050.00217.54
8.1.10.0030.00617.61
8.1.00.0030.00617.59
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0000.00718.49
8.0.270.0030.00317.29
8.0.260.0030.00317.19
8.0.250.0020.00516.97
8.0.240.0000.00816.84
8.0.230.0040.00417.02
8.0.220.0030.00317.00
8.0.210.0050.00316.84
8.0.200.0000.00616.91
8.0.190.0070.00016.99
8.0.180.0070.00017.02
8.0.170.0000.00716.92
8.0.160.0070.00016.82
8.0.150.0030.00316.74
8.0.140.0030.00516.95
8.0.130.0000.00513.36
8.0.120.0000.00716.86
8.0.110.0030.00516.97
8.0.100.0040.00416.76
8.0.90.0020.00516.96
8.0.80.0060.00916.98
8.0.70.0050.00216.82
8.0.60.0000.00716.99
8.0.50.0040.00417.06
8.0.30.0130.00617.06
8.0.20.0100.00917.40
8.0.10.0000.00816.96
8.0.00.0070.01016.93
7.4.330.0030.00315.00
7.4.320.0000.00616.59
7.4.300.0000.00616.47
7.4.290.0040.00416.41
7.4.280.0050.00316.48
7.4.270.0000.00716.48
7.4.260.0070.00016.55
7.4.250.0000.00716.52
7.4.240.0070.00016.52
7.4.230.0030.00316.62
7.4.220.0150.01116.44
7.4.210.0030.01216.61
7.4.200.0000.00716.37
7.4.160.0100.00716.29
7.4.150.0090.00917.40
7.4.140.0080.01117.86
7.4.130.0080.00816.50
7.4.120.0120.00516.46
7.4.110.0090.00916.52
7.4.100.0100.00716.64
7.4.90.0090.01216.50
7.4.80.0170.00319.39
7.4.70.0060.01216.61
7.4.60.0080.01216.36
7.4.50.0040.00416.27
7.4.40.0000.01616.55
7.4.30.0060.01016.38
7.4.00.0060.01214.80
7.3.330.0000.00513.14
7.3.320.0000.00613.08
7.3.310.0070.00016.14
7.3.300.0030.00316.36
7.3.290.0080.00616.22
7.3.280.0080.00916.30
7.3.270.0080.01117.40
7.3.260.0090.00916.39
7.3.250.0110.00616.40
7.3.240.0150.00316.37
7.3.230.0120.00916.39
7.3.210.0150.01016.24
7.3.200.0140.00619.39
7.3.190.0060.01316.43
7.3.180.0130.00316.36
7.3.170.0270.02016.42
7.3.160.0120.00416.27
7.2.330.0100.00716.74
7.2.320.0070.01016.41
7.2.310.0090.00916.54
7.2.300.0130.01016.73
7.2.290.0100.00616.70
7.2.60.0040.01116.93
7.1.200.0110.00315.84
7.1.70.0000.01617.03
7.1.60.0070.01819.12
7.1.50.0040.01916.68
7.1.00.0030.07722.29
7.0.200.0070.00016.68
7.0.140.0000.07721.94
7.0.60.0000.04719.95
7.0.50.0070.06317.86
7.0.40.0070.04020.04
7.0.30.0230.04020.12
7.0.20.0200.08320.08
7.0.10.0130.08020.09
7.0.00.0030.05020.08
5.6.280.0100.06720.77
5.6.210.0100.05320.71
5.6.200.0030.04018.16
5.6.190.0030.06720.40
5.6.180.0430.06720.77
5.6.170.0270.03020.61
5.6.160.0170.07720.54
5.6.150.0000.05018.27
5.6.140.0100.06318.24
5.6.130.0030.05018.26
5.6.120.0100.08020.93
5.6.110.0030.04020.98
5.6.100.0170.05720.88
5.6.90.0130.07020.96
5.6.80.0130.07320.38
5.5.350.0230.07320.44
5.5.340.0070.03717.94
5.5.330.0130.05320.34
5.5.320.0070.05720.24
5.5.310.0300.04320.41
5.5.300.0000.04317.96
5.5.290.0070.07717.97
5.5.280.0030.08720.76
5.5.270.0200.07020.75
5.5.260.0100.08320.84
5.5.250.0170.07020.54
5.5.240.0170.08020.18
5.4.450.0330.04319.54
5.4.440.0400.04319.45
5.4.430.0300.04319.45
5.4.420.0100.04719.52
5.4.410.0130.04319.28
5.4.400.0300.03318.84
5.4.390.0400.04319.17
5.4.380.0300.06318.63
5.4.370.0400.05018.83
5.4.360.0270.06318.50
5.4.350.0330.06718.50
5.4.340.0600.05718.63
5.4.320.0080.03412.48
5.4.310.0040.03912.48
5.4.300.0060.03612.48
5.4.290.0070.03712.48
5.4.280.0080.03312.38
5.4.270.0060.03612.38
5.4.260.0050.03812.38
5.4.250.0060.04012.38
5.4.240.0100.04712.38
5.4.230.0110.03512.37
5.4.220.0060.03612.37
5.4.210.0060.03512.37
5.4.200.0070.03712.37
5.4.190.0040.03812.37
5.4.180.0060.03612.36
5.4.170.0030.04012.38
5.4.160.0080.03512.38
5.4.150.0050.03812.37
5.4.140.0050.03812.05
5.4.130.0080.03312.04
5.4.120.0030.03912.00
5.4.110.0070.03512.00
5.4.100.0060.03612.00
5.4.90.0060.03812.00
5.4.80.0050.03811.99
5.4.70.0040.03611.99
5.4.60.0070.03311.99
5.4.50.0070.03311.99
5.4.40.0120.04211.98
5.4.30.0050.04611.98
5.4.20.0050.03811.98
5.4.10.0060.03711.98
5.4.00.0060.03511.47
5.3.290.0060.03812.80
5.3.280.0100.03612.71
5.3.270.0080.04212.72
5.3.260.0100.03712.71
5.3.250.0060.03712.72
5.3.240.0090.03612.72
5.3.230.0070.03612.71
5.3.220.0080.03412.68
5.3.210.0040.04012.68
5.3.200.0080.03512.68
5.3.190.0060.03712.68
5.3.180.0070.04012.67
5.3.170.0050.04012.67
5.3.160.0050.04212.68
5.3.150.0080.03512.68
5.3.140.0060.03612.66
5.3.130.0050.04712.66
5.3.120.0030.04012.66
5.3.110.0100.04212.66
5.3.100.0040.04212.12
5.3.90.0060.03512.09
5.3.80.0060.03612.08
5.3.70.0050.03712.08
5.3.60.0050.03812.06
5.3.50.0060.03612.01
5.3.40.0040.04312.01
5.3.30.0070.03411.97
5.3.20.0050.04111.75
5.3.10.0060.03511.71
5.3.00.0030.03811.70
5.2.170.0050.0309.20
5.2.160.0040.0309.21
5.2.150.0050.0309.21
5.2.140.0080.0279.20
5.2.130.0090.0259.16
5.2.120.0080.0259.16
5.2.110.0070.0279.17
5.2.100.0060.0279.16
5.2.90.0070.0339.17
5.2.80.0070.0319.16
5.2.70.0050.0339.16
5.2.60.0020.0369.11
5.2.50.0070.0319.09
5.2.40.0040.0359.06
5.2.30.0050.0299.04
5.2.20.0030.0309.02
5.2.10.0030.0298.94
5.2.00.0060.0278.80
5.1.60.0050.0318.07
5.1.50.0050.0238.06
5.1.40.0040.0248.04
5.1.30.0040.0318.39
5.1.20.0030.0288.41
5.1.10.0040.0258.14
5.1.00.0050.0248.14
5.0.50.0030.0236.61
5.0.40.0040.0246.48
5.0.30.0020.0346.29
5.0.20.0020.0286.26
5.0.10.0030.0206.23
5.0.00.0050.0296.23
4.4.90.0070.0184.78
4.4.80.0060.0164.75
4.4.70.0040.0134.75
4.4.60.0020.0154.76
4.4.50.0030.0234.77
4.4.40.0010.0324.71
4.4.30.0060.0194.76
4.4.20.0010.0174.84
4.4.10.0040.0144.85
4.4.00.0050.0304.76
4.3.110.0020.0164.67
4.3.100.0040.0144.67
4.3.90.0020.0174.63
4.3.80.0040.0264.58
4.3.70.0050.0124.63
4.3.60.0020.0154.63
4.3.50.0040.0174.63
4.3.40.0040.0234.54
4.3.30.0030.0203.28
4.3.20.0010.0173.26
4.3.10.0040.0163.22
4.3.00.0070.01716.73

preferences:
49.29 ms | 400 KiB | 5 Q