3v4l.org

run code in 300+ PHP versions simultaneously
<?php $Arrr = array("Physik I~1"); $A = count($Arrr) > 0 ? "µ".implode("µµ", $Arrr)."µ" : ""; print_r($A); $Ar = explode("µµ", substr($A, 2, -2)); print_r($Ar); $A = count($Arrr) > 0 ? "µ".implode("µµ", $Arrr)."µ" : ""; print_r($A); $Ar = explode("µµ", substr($A, 2, -2)); print_r($Ar); $A = count($Arrr) > 0 ? "µ".implode("µµ", $Arrr)."µ" : ""; print_r($A);

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)
8.3.60.0110.00418.43
8.3.50.0080.01721.88
8.3.40.0110.00418.59
8.3.30.0040.01418.76
8.3.20.0000.00820.36
8.3.10.0050.00320.39
8.3.00.0040.00419.01
8.2.180.0120.00916.63
8.2.170.0100.00722.96
8.2.160.0140.00020.34
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00422.09
8.2.110.0060.00321.99
8.2.100.0070.00417.78
8.2.90.0040.00419.26
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0030.00617.92
8.2.50.0080.00018.07
8.2.40.0040.00418.07
8.2.30.0020.00519.33
8.2.20.0080.00017.70
8.2.10.0050.00318.07
8.2.00.0040.00417.64
8.1.280.0100.01025.92
8.1.270.0040.00422.07
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00723.92
8.1.230.0070.00419.14
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00717.23
8.1.190.0080.00017.25
8.1.180.0040.00418.10
8.1.170.0080.00018.62
8.1.160.0020.00522.11
8.1.150.0040.00418.97
8.1.140.0080.00017.53
8.1.130.0030.00317.89
8.1.120.0040.00417.53
8.1.110.0080.00017.46
8.1.100.0050.00317.48
8.1.90.0070.00017.38
8.1.80.0000.00817.38
8.1.70.0020.00517.33
8.1.60.0030.00517.60
8.1.50.0030.00617.43
8.1.40.0060.00317.59
8.1.30.0040.00417.59
8.1.20.0080.00017.71
8.1.10.0000.00817.49
8.1.00.0080.00017.46
8.0.300.0040.00418.77
8.0.290.0030.00616.88
8.0.280.0000.00718.39
8.0.270.0070.00017.18
8.0.260.0000.00717.29
8.0.250.0070.00016.89
8.0.240.0040.00416.86
8.0.230.0040.00416.86
8.0.220.0000.00816.91
8.0.210.0000.00716.88
8.0.200.0000.00616.84
8.0.190.0060.00316.94
8.0.180.0000.00816.82
8.0.170.0040.00416.91
8.0.160.0000.00716.91
8.0.150.0040.00416.77
8.0.140.0070.00016.81
8.0.130.0000.00613.33
8.0.120.0040.00416.83
8.0.110.0030.00516.82
8.0.100.0000.00716.77
8.0.90.0040.00417.02
8.0.80.0100.01316.93
8.0.70.0040.00416.76
8.0.60.0040.00416.77
8.0.50.0000.00716.93
8.0.30.0080.01217.21
8.0.20.0140.00817.40
8.0.10.0070.00017.13
8.0.00.0110.00616.80
7.4.330.0050.00015.00
7.4.320.0060.00016.59
7.4.300.0040.00416.39
7.4.290.0040.00416.50
7.4.280.0000.00816.42
7.4.270.0000.00716.48
7.4.260.0040.00416.51
7.4.250.0040.00416.63
7.4.240.0050.00316.63
7.4.230.0030.00316.36
7.4.220.0070.01116.68
7.4.210.0080.00916.56
7.4.200.0020.00516.54
7.4.160.0090.00616.54
7.4.150.0080.01117.40
7.4.140.0100.00717.86
7.4.130.0050.01216.58
7.4.120.0080.01216.45
7.4.110.0030.01316.47
7.4.100.0060.01216.62
7.4.90.0030.01516.57
7.4.80.0160.00619.39
7.4.70.0130.00316.41
7.4.60.0060.01016.52
7.4.50.0030.00616.43
7.4.40.0030.01716.55
7.4.30.0090.00616.58
7.4.00.0000.01315.08
7.3.330.0000.00613.16
7.3.320.0000.00513.15
7.3.310.0030.00316.10
7.3.300.0070.00016.28
7.3.290.0000.01516.32
7.3.280.0070.00916.29
7.3.270.0070.01117.40
7.3.260.0130.01016.36
7.3.250.0100.00816.41
7.3.240.0070.01016.56
7.3.230.0080.00816.59
7.3.210.0030.01316.29
7.3.200.0130.00919.39
7.3.190.0060.01216.46
7.3.180.0120.00316.24
7.3.170.0070.01016.27
7.3.160.0090.00616.51
7.2.330.0060.01116.73
7.2.320.0080.00816.37
7.2.310.0100.00716.43
7.2.300.0140.00316.36
7.2.290.0060.01016.75
7.2.00.0070.01019.47
7.1.200.0170.00915.65
7.1.100.0080.00317.95
7.1.70.0020.00516.83
7.1.60.0130.00919.12
7.1.50.0060.01617.01
7.1.00.0100.06722.48
7.0.200.0040.00416.72
7.0.140.0030.07721.95
7.0.60.0130.07020.09
7.0.50.0070.08017.85
7.0.40.0100.08320.14
7.0.30.0230.04020.23
7.0.20.0230.05320.31
7.0.10.0070.05320.19
7.0.00.0070.04720.22
5.6.280.0130.06021.11
5.6.210.0170.07020.46
5.6.200.0070.08018.23
5.6.190.0070.07320.49
5.6.180.0330.03720.33
5.6.170.0170.05320.50
5.6.160.0000.05020.57
5.6.150.0070.08718.25
5.6.140.0030.04318.28
5.6.130.0100.04718.16
5.6.120.0170.06320.74
5.6.110.0100.04720.97
5.6.100.0130.08020.98
5.6.90.0100.07721.11
5.6.80.0170.06720.38
5.5.350.0200.08020.39
5.5.340.0130.07317.99
5.5.330.0100.07020.21
5.5.320.0030.08020.32
5.5.310.0270.06020.34
5.5.300.0100.06717.95
5.5.290.0070.03718.01
5.5.280.0070.08020.66
5.5.270.0230.06020.91
5.5.260.0000.04720.80
5.5.250.0030.05720.78
5.5.240.0130.07320.37
5.4.450.0100.05019.45
5.4.440.0130.04719.48
5.4.430.0400.04019.31
5.4.420.0430.04319.27
5.4.410.0330.04719.19
5.4.400.0500.03019.21
5.4.390.0400.03719.07
5.4.380.0300.05318.59
5.4.370.0330.07018.75
5.4.360.0300.07018.79
5.4.350.0370.07318.61
5.4.340.0400.06718.75
5.4.320.0070.03512.49
5.4.310.0060.03812.48
5.4.300.0070.03512.49
5.4.290.0060.03712.49
5.4.280.0070.03312.38
5.4.270.0040.03712.38
5.4.260.0050.03712.39
5.4.250.0070.03612.39
5.4.240.0060.03512.38
5.4.230.0050.03812.38
5.4.220.0020.03912.38
5.4.210.0060.03512.38
5.4.200.0060.03612.38
5.4.190.0070.03312.37
5.4.180.0090.03212.38
5.4.170.0050.03612.39
5.4.160.0050.03612.38
5.4.150.0090.03212.38
5.4.140.0040.03912.06
5.4.130.0030.03812.05
5.4.120.0030.03812.00
5.4.110.0040.03712.00
5.4.100.0060.03512.00
5.4.90.0060.03812.00
5.4.80.0040.03912.00
5.4.70.0050.03512.00
5.4.60.0100.03012.00
5.4.50.0080.03912.00
5.4.40.0030.03811.99
5.4.30.0060.03411.98
5.4.20.0040.03611.98
5.4.10.0050.03511.98
5.4.00.0050.03811.48
5.3.290.0030.04212.80
5.3.280.0080.03512.70
5.3.270.0050.04112.72
5.3.260.0110.03412.72
5.3.250.0070.03612.72
5.3.240.0070.03612.72
5.3.230.0060.03712.71
5.3.220.0080.03512.68
5.3.210.0070.03812.68
5.3.200.0080.03512.68
5.3.190.0090.03412.68
5.3.180.0090.03412.68
5.3.170.0060.03612.66
5.3.160.0050.03712.67
5.3.150.0070.03612.67
5.3.140.0080.03512.66
5.3.130.0050.04012.66
5.3.120.0050.03912.65
5.3.110.0060.03912.66
5.3.100.0060.03712.12
5.3.90.0060.04312.10
5.3.80.0080.03412.09
5.3.70.0080.03312.09
5.3.60.0080.03412.07
5.3.50.0060.03712.02
5.3.40.0050.03912.02
5.3.30.0060.03711.98
5.3.20.0050.03711.76
5.3.10.0050.03611.73
5.3.00.0030.04111.71
5.2.170.0050.0309.22
5.2.160.0080.0299.21
5.2.150.0060.0309.22
5.2.140.0060.0339.22
5.2.130.0040.0329.18
5.2.120.0060.0309.18
5.2.110.0020.0339.18
5.2.100.0040.0339.18
5.2.90.0070.0269.17
5.2.80.0040.0309.18
5.2.70.0030.0349.17
5.2.60.0050.0299.13
5.2.50.0040.0309.09
5.2.40.0050.0289.07
5.2.30.0070.0279.05
5.2.20.0040.0299.04
5.2.10.0070.0258.95
5.2.00.0030.0308.81
5.1.60.0040.0238.08
5.1.50.0030.0258.07
5.1.40.0040.0258.05
5.1.30.0090.0248.40
5.1.20.0060.0348.43
5.1.10.0060.0258.15
5.1.00.0040.0268.15
5.0.50.0030.0216.63
5.0.40.0060.0186.48
5.0.30.0020.0326.30
5.0.20.0050.0176.28
5.0.10.0050.0186.25
5.0.00.0040.0326.24
4.4.90.0020.0204.78
4.4.80.0020.0164.75
4.4.70.0050.0214.75
4.4.60.0040.0204.75
4.4.50.0030.0184.77
4.4.40.0030.0334.71
4.4.30.0040.0204.76
4.4.20.0010.0244.85
4.4.10.0050.0204.84
4.4.00.0030.0254.76
4.3.110.0050.0224.67
4.3.100.0020.0224.66
4.3.90.0020.0194.64
4.3.80.0040.0344.58
4.3.70.0030.0144.63
4.3.60.0020.0154.62
4.3.50.0040.0144.63
4.3.40.0020.0254.54
4.3.30.0010.0173.30
4.3.20.0020.0163.27
4.3.10.0020.0153.24
4.3.00.0130.01316.73

preferences:
68.59 ms | 401 KiB | 5 Q