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)
5.4.320.0120.03612.49
5.4.310.0060.03712.49
5.4.300.0060.03612.50
5.4.290.0050.03912.49
5.4.280.0070.03512.39
5.4.270.0090.03812.39
5.4.260.0100.03512.39
5.4.250.0070.03612.39
5.4.240.0060.03612.39
5.4.230.0120.03112.38
5.4.220.0070.03612.38
5.4.210.0050.03612.38
5.4.200.0050.03912.38
5.4.190.0070.03512.38
5.4.180.0080.03512.38
5.4.170.0030.04012.39
5.4.160.0050.03912.38
5.4.150.0030.03912.38
5.4.140.0070.03512.07
5.4.130.0060.03512.05
5.4.120.0040.03812.02
5.4.110.0010.04012.01
5.4.100.0040.03612.01
5.4.90.0050.05012.01
5.4.80.0090.03912.01
5.4.70.0050.04912.00
5.4.60.0090.03412.01
5.4.50.0060.03512.00
5.4.40.0090.03211.99
5.4.30.0060.03611.99
5.4.20.0040.03811.99
5.4.10.0080.03211.99
5.4.00.0060.03611.48
5.3.290.0060.04012.80
5.3.280.0040.04012.71
5.3.270.0070.04112.73
5.3.260.0060.03912.72
5.3.250.0050.03812.72
5.3.240.0080.03712.72
5.3.230.0080.03512.71
5.3.220.0050.03812.68
5.3.210.0040.04012.68
5.3.200.0100.03412.68
5.3.190.0030.04312.68
5.3.180.0070.03512.67
5.3.170.0070.03512.67
5.3.160.0060.03712.67
5.3.150.0100.03312.67
5.3.140.0060.04012.66
5.3.130.0060.03712.66
5.3.120.0060.04012.66
5.3.110.0090.03912.65
5.3.100.0060.04012.12
5.3.90.0070.03412.08
5.3.80.0070.03512.08
5.3.70.0040.03712.07
5.3.60.0050.03712.07
5.3.50.0080.03312.00
5.3.40.0090.03812.00
5.3.30.0050.04311.95
5.3.20.0050.04311.72
5.3.10.0110.03211.70
5.3.00.0080.03811.69
5.2.170.0040.0389.19
5.2.160.0040.0349.19
5.2.150.0060.0359.19
5.2.140.0060.0299.18
5.2.130.0040.0319.14
5.2.120.0070.0259.14
5.2.110.0050.0299.15
5.2.100.0060.0269.14
5.2.90.0030.0319.14
5.2.80.0050.0309.14
5.2.70.0040.0309.13
5.2.60.0050.0309.09
5.2.50.0040.0309.06
5.2.40.0040.0299.04
5.2.30.0050.0289.01
5.2.20.0060.0289.01
5.2.10.0000.0328.92
5.2.00.0040.0298.79
5.1.60.0090.0288.08
5.1.50.0040.0248.07
5.1.40.0040.0248.05
5.1.30.0070.0238.40
5.1.20.0030.0278.42
5.1.10.0030.0288.15
5.1.00.0070.0338.15
5.0.50.0070.0206.63
5.0.40.0050.0226.48
5.0.30.0040.0306.30
5.0.20.0020.0206.27
5.0.10.0040.0206.25
5.0.00.0020.0386.24
4.4.90.0020.0154.78
4.4.80.0040.0134.75
4.4.70.0050.0194.75
4.4.60.0030.0144.75
4.4.50.0030.0244.77
4.4.40.0030.0244.71
4.4.30.0010.0164.76
4.4.20.0030.0204.84
4.4.10.0050.0174.85
4.4.00.0060.0324.76
4.3.110.0040.0144.67
4.3.100.0030.0294.67
4.3.90.0020.0244.63
4.3.80.0020.0244.58
4.3.70.0050.0214.63
4.3.60.0020.0164.62
4.3.50.0020.0154.63
4.3.40.0000.0264.53
4.3.30.0020.0183.28
4.3.20.0020.0163.26
4.3.10.0020.0173.22
4.3.00.0030.01716.73

preferences:
143.16 ms | 1394 KiB | 7 Q