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)
5.4.320.0090.03412.49
5.4.310.0180.02512.49
5.4.300.0120.03412.50
5.4.290.0200.03912.50
5.4.280.0150.02812.39
5.4.270.0050.03712.39
5.4.260.0090.04412.39
5.4.250.0070.03712.39
5.4.240.0080.03212.39
5.4.230.0040.03812.38
5.4.220.0060.03512.38
5.4.210.0040.04112.38
5.4.200.0060.03712.38
5.4.190.0040.03612.38
5.4.180.0070.03412.38
5.4.170.0060.03612.38
5.4.160.0060.03712.38
5.4.150.0050.03912.38
5.4.140.0060.03612.07
5.4.130.0050.03512.05
5.4.120.0080.03312.01
5.4.110.0070.03712.01
5.4.100.0020.03912.01
5.4.90.0050.03712.01
5.4.80.0050.03612.01
5.4.70.0050.03512.01
5.4.60.0070.04112.01
5.4.50.0070.03612.01
5.4.40.0070.04111.99
5.4.30.0070.03312.00
5.4.20.0050.03511.99
5.4.10.0070.03211.99
5.4.00.0040.03911.48
5.3.290.0070.04012.80
5.3.280.0070.03912.71
5.3.270.0060.04412.72
5.3.260.0080.03812.71
5.3.250.0070.03512.72
5.3.240.0050.03812.72
5.3.230.0090.03412.71
5.3.220.0060.03712.68
5.3.210.0080.03712.68
5.3.200.0060.04212.68
5.3.190.0020.04312.68
5.3.180.0090.03912.67
5.3.170.0040.04112.67
5.3.160.0030.04012.68
5.3.150.0080.03712.67
5.3.140.0060.03712.66
5.3.130.0040.04112.66
5.3.120.0110.03712.66
5.3.110.0030.04112.66
5.3.100.0040.03912.12
5.3.90.0050.03812.08
5.3.80.0070.03612.07
5.3.70.0060.04712.07
5.3.60.0090.03912.06
5.3.50.0080.03712.00
5.3.40.0060.05212.00
5.3.30.0030.04411.95
5.3.20.0100.04511.73
5.3.10.0070.04011.70
5.3.00.0070.03411.69
5.2.170.0060.0289.19
5.2.160.0040.0299.18
5.2.150.0040.0319.19
5.2.140.0050.0309.18
5.2.130.0040.0309.14
5.2.120.0080.0259.14
5.2.110.0060.0279.15
5.2.100.0030.0309.14
5.2.90.0040.0419.14
5.2.80.0060.0289.14
5.2.70.0040.0309.14
5.2.60.0040.0309.09
5.2.50.0050.0319.06
5.2.40.0060.0279.04
5.2.30.0070.0289.02
5.2.20.0030.0309.00
5.2.10.0060.0268.92
5.2.00.0050.0288.78
5.1.60.0030.0248.07
5.1.50.0060.0228.07
5.1.40.0080.0298.05
5.1.30.0050.0338.40
5.1.20.0110.0238.42
5.1.10.0040.0308.14
5.1.00.0030.0258.14
5.0.50.0040.0196.62
5.0.40.0050.0216.48
5.0.30.0040.0386.30
5.0.20.0040.0286.26
5.0.10.0030.0206.24
5.0.00.0050.0296.23
4.4.90.0010.0174.78
4.4.80.0020.0164.75
4.4.70.0020.0174.75
4.4.60.0020.0164.76
4.4.50.0020.0164.77
4.4.40.0020.0264.71
4.4.30.0030.0174.75
4.4.20.0040.0174.85
4.4.10.0030.0154.85
4.4.00.0020.0264.76
4.3.110.0050.0274.67
4.3.100.0040.0144.67
4.3.90.0060.0114.63
4.3.80.0030.0294.58
4.3.70.0030.0154.63
4.3.60.0010.0164.63
4.3.50.0040.0164.63
4.3.40.0030.0244.54
4.3.30.0030.0153.29
4.3.20.0010.0203.26
4.3.10.0020.0153.23
4.3.00.0000.01716.73

preferences:
145.67 ms | 1394 KiB | 7 Q