3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "a,b,c,d,e,"; $string = rtrim($string, ",") echo $string;

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)
5.4.320.0040.03712.50
5.4.310.0050.03812.49
5.4.300.0050.03712.50
5.4.290.0060.03712.49
5.4.280.0060.03512.39
5.4.270.0050.03712.39
5.4.260.0080.03412.39
5.4.250.0050.03712.39
5.4.240.0060.03412.39
5.4.230.0050.03912.38
5.4.220.0060.03412.38
5.4.210.0080.03812.38
5.4.200.0050.03712.38
5.4.190.0050.03612.38
5.4.180.0050.04012.38
5.4.170.0070.03612.38
5.4.160.0050.03612.38
5.4.150.0040.03612.38
5.4.140.0030.03812.07
5.4.130.0070.03812.05
5.4.120.0030.03712.02
5.4.110.0070.03212.01
5.4.100.0050.03512.02
5.4.90.0090.03212.01
5.4.80.0040.03712.01
5.4.70.0060.03912.00
5.4.60.0070.03812.01
5.4.50.0060.03412.01
5.4.40.0070.03212.00
5.4.30.0040.03611.99
5.4.20.0040.03711.99
5.4.10.0060.03711.99
5.4.00.0100.03411.49
5.3.290.0110.04312.80
5.3.280.0090.03412.71
5.3.270.0040.04112.72
5.3.260.0090.03612.72
5.3.250.0080.03712.72
5.3.240.0060.03712.72
5.3.230.0070.03912.71
5.3.220.0060.03812.68
5.3.210.0090.03512.68
5.3.200.0050.03612.68
5.3.190.0070.03512.68
5.3.180.0050.03612.67
5.3.170.0100.03112.67
5.3.160.0080.03812.67
5.3.150.0080.04612.67
5.3.140.0080.03212.66
5.3.130.0090.03512.66
5.3.120.0050.03912.66
5.3.110.0040.04012.66
5.3.100.0070.03612.12
5.3.90.0040.03712.08
5.3.80.0050.03512.08
5.3.70.0080.03312.07
5.3.60.0020.04012.06
5.3.50.0080.03512.00
5.3.40.0070.03512.00
5.3.30.0080.03311.95
5.3.20.0050.03411.72
5.3.10.0070.03711.70
5.3.00.0070.03411.68
5.2.170.0050.0299.18
5.2.160.0040.0309.18
5.2.150.0040.0299.18
5.2.140.0020.0319.18
5.2.130.0040.0349.14
5.2.120.0060.0309.14
5.2.110.0050.0299.14
5.2.100.0050.0289.14
5.2.90.0040.0299.14
5.2.80.0040.0309.14
5.2.70.0040.0389.14
5.2.60.0050.0299.10
5.2.50.0030.0319.06
5.2.40.0050.0309.04
5.2.30.0020.0329.01
5.2.20.0030.0289.00
5.2.10.0090.0238.93
5.2.00.0040.0298.78
5.1.60.0030.0248.07
5.1.50.0030.0258.07
5.1.40.0060.0218.05
5.1.30.0030.0268.39
5.1.20.0020.0308.42
5.1.10.0020.0268.14
5.1.00.0040.0258.14
5.0.50.0050.0186.63
5.0.40.0040.0256.48
5.0.30.0020.0316.29
5.0.20.0030.0186.26
5.0.10.0030.0196.24
5.0.00.0050.0316.23
4.4.90.0030.0214.78
4.4.80.0010.0174.75
4.4.70.0030.0154.75
4.4.60.0030.0154.75
4.4.50.0040.0144.77
4.4.40.0030.0244.71
4.4.30.0030.0144.76
4.4.20.0020.0154.84
4.4.10.0020.0174.85
4.4.00.0030.0244.76
4.3.110.0050.0134.67
4.3.100.0020.0154.66
4.3.90.0010.0214.63
4.3.80.0050.0214.59
4.3.70.0030.0144.63
4.3.60.0020.0154.63
4.3.50.0010.0174.63
4.3.40.0040.0234.54
4.3.30.0030.0183.28
4.3.20.0010.0183.26
4.3.10.0020.0163.21
4.3.00.0070.0208.69

preferences:
143.75 ms | 1386 KiB | 7 Q