3v4l.org

run code in 300+ PHP versions simultaneously
<?php function mystr_replace($needle,$replace,$haystack,&$count=null){ $args = func_get_args(); if(is_null($count)) { return str_replace($needle,$replace,$haystack); else { return str_replace($needle,$replace,$haystack,$count); } } echo mystr_replace("frop","frml","frop",1);

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)
5.4.320.0080.04012.52
5.4.310.0060.04112.52
5.4.300.0070.03712.52
5.4.290.0110.03312.52
5.4.280.0080.03812.41
5.4.270.0080.03512.41
5.4.260.0090.03512.41
5.4.250.0090.03512.41
5.4.240.0070.03612.41
5.4.230.0090.03512.40
5.4.220.0110.03212.40
5.4.210.0080.03812.40
5.4.200.0090.03712.40
5.4.190.0030.03912.40
5.4.180.0070.03512.40
5.4.170.0060.03512.40
5.4.160.0070.03612.40
5.4.150.0050.03712.40
5.4.140.0070.04112.09
5.4.130.0090.03312.07
5.4.120.0080.03612.03
5.4.110.0050.03712.03
5.4.100.0050.04112.03
5.4.90.0090.03412.03
5.4.80.0070.03712.03
5.4.70.0060.03512.02
5.4.60.0070.03412.02
5.4.50.0070.03612.03
5.4.40.0050.04012.02
5.4.30.0070.04312.02
5.4.20.0060.03512.01
5.4.10.0060.03712.02
5.4.00.0080.03811.50
5.3.290.0050.04312.80
5.3.280.0070.03812.71
5.3.270.0060.03912.73
5.3.260.0090.03512.72
5.3.250.0070.03612.71
5.3.240.0060.04112.72
5.3.230.0110.03912.70
5.3.220.0060.04212.68
5.3.210.0100.04612.68
5.3.200.0070.03612.68
5.3.190.0070.04012.68
5.3.180.0100.03512.67
5.3.170.0080.03512.66
5.3.160.0090.03412.68
5.3.150.0050.03812.67
5.3.140.0080.03412.66
5.3.130.0070.03812.66
5.3.120.0050.03912.66
5.3.110.0090.03712.66
5.3.100.0070.03612.13
5.3.90.0040.03712.11
5.3.80.0070.03612.10
5.3.70.0080.03712.10
5.3.60.0070.03512.08
5.3.50.0080.03412.03
5.3.40.0070.03812.03
5.3.30.0060.03511.98
5.3.20.0050.03911.76
5.3.10.0060.03811.73
5.3.00.0090.03711.72
5.2.170.0060.0329.22
5.2.160.0070.0289.22
5.2.150.0050.0309.22
5.2.140.0060.0359.21
5.2.130.0090.0429.18
5.2.120.0070.0359.18
5.2.110.0050.0299.18
5.2.100.0020.0329.18
5.2.90.0070.0289.18
5.2.80.0040.0319.18
5.2.70.0040.0319.17
5.2.60.0060.0309.13
5.2.50.0050.0319.10
5.2.40.0040.0289.08
5.2.30.0060.0309.05
5.2.20.0030.0309.04
5.2.10.0020.0308.95
5.2.00.0060.0288.81
5.1.60.0020.0268.09
5.1.50.0060.0248.09
5.1.40.0020.0278.07
5.1.30.0050.0258.42
5.1.20.0030.0308.44
5.1.10.0070.0288.17
5.1.00.0060.0248.16
5.0.50.0020.0226.64
5.0.40.0050.0176.50
5.0.30.0020.0326.31
5.0.20.0050.0236.29
5.0.10.0050.0226.26
5.0.00.0040.0306.25
4.4.90.0020.0164.78
4.4.80.0030.0154.75
4.4.70.0050.0134.76
4.4.60.0020.0184.75
4.4.50.0040.0144.77
4.4.40.0030.0244.71
4.4.30.0020.0164.76
4.4.20.0050.0174.84
4.4.10.0060.0124.85
4.4.00.0020.0244.76
4.3.110.0010.0174.67
4.3.100.0020.0164.66
4.3.90.0040.0184.63
4.3.80.0000.0314.58
4.3.70.0020.0144.63
4.3.60.0040.0134.63
4.3.50.0040.0144.63
4.3.40.0030.0314.54
4.3.30.0010.0243.30
4.3.20.0040.0193.28
4.3.10.0030.0183.24
4.3.00.0130.01713.57

preferences:
142.6 ms | 1394 KiB | 7 Q