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); $Ar = explode("µµ", substr($A, 1, -1)); 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)
8.3.60.0120.00318.43
8.3.50.0120.00822.00
8.3.40.0090.00618.84
8.3.30.0040.01419.13
8.3.20.0040.00420.06
8.3.10.0080.00020.36
8.3.00.0080.00019.26
8.2.180.0170.00316.63
8.2.170.0110.00422.96
8.2.160.0090.00620.52
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0080.00022.23
8.2.110.0110.00019.39
8.2.100.0040.00817.97
8.2.90.0040.00420.01
8.2.80.0040.00418.21
8.2.70.0040.00417.93
8.2.60.0080.00017.93
8.2.50.0000.00818.10
8.2.40.0000.00820.41
8.2.30.0000.00719.30
8.2.20.0000.00817.67
8.2.10.0050.00318.11
8.2.00.0000.00717.69
8.1.280.0040.01825.92
8.1.270.0080.00021.96
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0080.00022.50
8.1.230.0110.00022.81
8.1.220.0080.00017.78
8.1.210.0040.00418.79
8.1.200.0030.00717.35
8.1.190.0000.00817.25
8.1.180.0060.00318.10
8.1.170.0060.00318.74
8.1.160.0030.00322.05
8.1.150.0070.00018.86
8.1.140.0070.00017.43
8.1.130.0000.00717.76
8.1.120.0050.00317.42
8.1.110.0050.00217.30
8.1.100.0040.00417.38
8.1.90.0040.00417.46
8.1.80.0000.00817.33
8.1.70.0000.00817.37
8.1.60.0090.00017.52
8.1.50.0030.00517.50
8.1.40.0040.00417.54
8.1.30.0050.00317.70
8.1.20.0080.00017.66
8.1.10.0030.00517.52
8.1.00.0020.00517.52
8.0.300.0030.00320.09
8.0.290.0030.00616.88
8.0.280.0000.00718.39
8.0.270.0000.00717.35
8.0.260.0030.00317.31
8.0.250.0030.00316.84
8.0.240.0060.00317.05
8.0.230.0000.00716.89
8.0.220.0000.00717.00
8.0.210.0000.00716.82
8.0.200.0030.00317.01
8.0.190.0050.00316.97
8.0.180.0070.00016.91
8.0.170.0040.00416.96
8.0.160.0070.00016.81
8.0.150.0000.00716.77
8.0.140.0000.00816.79
8.0.130.0000.00513.36
8.0.120.0050.00216.92
8.0.110.0040.00416.85
8.0.100.0070.00016.72
8.0.90.0000.00716.81
8.0.80.0120.00316.98
8.0.70.0040.00416.98
8.0.60.0000.00817.00
8.0.50.0000.00816.77
8.0.30.0100.00916.92
8.0.20.0120.01017.40
8.0.10.0000.00717.00
8.0.00.0090.00816.67
7.4.330.0030.00315.00
7.4.320.0000.00716.47
7.4.300.0000.00616.56
7.4.290.0000.00716.47
7.4.280.0040.00416.59
7.4.270.0040.00416.64
7.4.260.0000.00716.59
7.4.250.0000.00816.57
7.4.240.0030.00416.52
7.4.230.0070.00016.47
7.4.220.0070.02016.59
7.4.210.0100.00316.67
7.4.200.0000.00716.59
7.4.160.0070.01416.50
7.4.150.0090.00817.40
7.4.140.0070.01017.86
7.4.130.0110.00716.51
7.4.120.0150.00716.50
7.4.110.0070.01016.55
7.4.100.0130.00416.49
7.4.90.0040.01316.41
7.4.80.0130.01019.39
7.4.70.0030.01316.68
7.4.60.0120.00816.48
7.4.50.0050.00316.32
7.4.40.0110.00516.51
7.4.30.0070.00916.43
7.4.00.0060.01215.11
7.3.330.0000.00613.15
7.3.320.0060.00013.16
7.3.310.0030.00316.39
7.3.300.0000.00716.35
7.3.290.0060.00916.24
7.3.280.0090.00816.29
7.3.270.0140.00417.40
7.3.260.0090.00916.38
7.3.250.0140.00316.38
7.3.240.0130.00316.54
7.3.230.0140.00416.48
7.3.210.0240.02816.54
7.3.200.0090.01419.39
7.3.190.0080.00316.35
7.3.180.0040.01216.46
7.3.170.0060.01616.32
7.3.160.0120.00916.31
7.3.120.0100.01015.02
7.3.110.0120.00614.80
7.3.100.0060.00915.03
7.3.90.0000.01115.07
7.3.80.0000.01414.61
7.3.70.0060.00914.71
7.3.60.0070.01114.85
7.3.50.0050.00514.62
7.3.40.0090.00314.73
7.3.30.0100.00714.71
7.3.20.0030.01316.63
7.3.10.0040.01116.91
7.3.00.0000.01116.54
7.2.330.0150.00316.57
7.2.320.0070.01016.41
7.2.310.0060.01116.76
7.2.300.0060.00916.71
7.2.290.0160.00316.66
7.2.250.0100.01014.64
7.2.240.0040.01515.12
7.2.230.0070.00714.77
7.2.220.0120.00015.05
7.2.210.0130.00615.16
7.2.200.0070.00715.02
7.2.190.0030.00914.73
7.2.180.0040.01115.21
7.2.170.0000.01214.83
7.2.60.0070.00716.95
7.2.00.0070.01119.14
7.1.330.0120.00315.69
7.1.320.0040.01115.71
7.1.310.0000.01315.71
7.1.300.0000.00915.82
7.1.290.0100.00615.59
7.1.280.0100.00315.71
7.1.270.0100.00315.78
7.1.260.0070.00716.05
7.1.200.0070.00315.79
7.1.100.0040.00717.95
7.1.70.0000.01017.14
7.1.60.0120.01219.12
7.1.50.0030.01916.98
7.1.00.0030.07322.33
7.0.200.0070.00316.68
7.0.140.0000.07022.07
7.0.60.0100.07019.85
7.0.50.0070.03717.89
7.0.40.0030.09020.18
7.0.30.0270.04320.15
7.0.20.0230.08020.23
7.0.10.0100.08320.09
7.0.00.0030.08720.18
5.6.280.0070.07321.07
5.6.210.0070.05020.66
5.6.200.0100.08018.19
5.6.190.0030.04720.39
5.6.180.0370.04020.41
5.6.170.0230.05020.71
5.6.160.0030.04320.61
5.6.150.0070.07718.24
5.6.140.0100.07018.17
5.6.130.0100.04318.27
5.6.120.0130.06720.92
5.6.110.0070.06720.99
5.6.100.0130.07721.03
5.6.90.0200.04720.88
5.6.80.0030.05020.39
5.5.350.0170.08020.44
5.5.340.0130.04717.97
5.5.330.0000.05320.31
5.5.320.0030.05020.34
5.5.310.0230.07320.24
5.5.300.0070.08017.95
5.5.290.0000.04317.91
5.5.280.0030.09020.96
5.5.270.0300.05020.63
5.5.260.0100.03720.94
5.5.250.0070.07720.57
5.5.240.0070.04320.26
5.4.450.0330.04719.45
5.4.440.0430.04319.52
5.4.430.0330.04319.45
5.4.420.0370.05319.45
5.4.410.0300.04319.18
5.4.400.0270.04018.88
5.4.390.0270.04319.09
5.4.380.0270.07018.61
5.4.370.0370.07318.80
5.4.360.0330.05318.52
5.4.350.0570.06318.50
5.4.340.0430.06318.77
5.4.320.0080.03512.48
5.4.310.0030.04112.48
5.4.300.0050.03812.48
5.4.290.0070.03712.48
5.4.280.0070.03412.38
5.4.270.0070.03512.38
5.4.260.0080.04212.38
5.4.250.0090.03812.38
5.4.240.0060.03512.38
5.4.230.0060.03712.37
5.4.220.0040.03712.37
5.4.210.0070.03312.37
5.4.200.0080.03512.37
5.4.190.0060.03612.37
5.4.180.0070.03412.36
5.4.170.0040.03712.38
5.4.160.0050.03512.37
5.4.150.0040.03712.37
5.4.140.0040.03812.05
5.4.130.0020.03812.04
5.4.120.0050.03512.00
5.4.110.0050.03612.00
5.4.100.0050.03611.99
5.4.90.0080.03512.00
5.4.80.0060.03712.00
5.4.70.0070.03511.99
5.4.60.0030.03911.99
5.4.50.0070.03411.99
5.4.40.0090.04811.98
5.4.30.0110.04911.98
5.4.20.0090.04811.97
5.4.10.0060.03511.97
5.4.00.0050.03711.47
5.3.290.0070.03812.80
5.3.280.0040.04012.71
5.3.270.0070.04512.72
5.3.260.0050.04012.71
5.3.250.0050.03812.72
5.3.240.0070.03612.72
5.3.230.0080.03612.71
5.3.220.0060.03712.68
5.3.210.0060.03912.68
5.3.200.0090.03512.68
5.3.190.0080.04812.68
5.3.180.0080.03812.67
5.3.170.0090.03512.67
5.3.160.0060.03712.67
5.3.150.0060.03712.68
5.3.140.0060.03512.66
5.3.130.0070.03712.66
5.3.120.0060.03912.66
5.3.110.0040.04212.66
5.3.100.0020.04112.12
5.3.90.0060.03612.09
5.3.80.0070.03512.08
5.3.70.0040.03812.08
5.3.60.0060.03612.07
5.3.50.0060.03512.01
5.3.40.0060.04012.01
5.3.30.0050.03511.97
5.3.20.0060.03511.75
5.3.10.0040.03611.71
5.3.00.0070.03511.71
5.2.170.0050.0309.21
5.2.160.0050.0289.20
5.2.150.0040.0319.21
5.2.140.0030.0329.20
5.2.130.0020.0329.16
5.2.120.0030.0309.16
5.2.110.0010.0339.17
5.2.100.0070.0269.16
5.2.90.0030.0329.16
5.2.80.0040.0309.16
5.2.70.0040.0309.16
5.2.60.0070.0299.12
5.2.50.0060.0299.08
5.2.40.0050.0359.06
5.2.30.0090.0269.04
5.2.20.0040.0369.03
5.2.10.0030.0298.94
5.2.00.0040.0308.79
5.1.60.0040.0248.07
5.1.50.0050.0248.06
5.1.40.0070.0258.04
5.1.30.0060.0298.39
5.1.20.0040.0278.41
5.1.10.0040.0278.14
5.1.00.0030.0288.14
5.0.50.0050.0256.61
5.0.40.0050.0176.47
5.0.30.0050.0376.29
5.0.20.0040.0196.26
5.0.10.0040.0276.23
5.0.00.0060.0386.23
4.4.90.0010.0174.78
4.4.80.0040.0324.75
4.4.70.0050.0224.76
4.4.60.0030.0224.76
4.4.50.0030.0194.77
4.4.40.0050.0374.71
4.4.30.0060.0124.76
4.4.20.0040.0164.85
4.4.10.0040.0214.85
4.4.00.0040.0234.76
4.3.110.0040.0204.67
4.3.100.0020.0154.67
4.3.90.0040.0174.64
4.3.80.0030.0284.58
4.3.70.0050.0164.63
4.3.60.0020.0154.63
4.3.50.0020.0174.63
4.3.40.0060.0374.54
4.3.30.0000.0203.29
4.3.20.0020.0153.25
4.3.10.0030.0153.22
4.3.00.0000.01716.73

preferences:
54.72 ms | 401 KiB | 5 Q