3v4l.org

run code in 300+ PHP versions simultaneously
<?php function mystr_replace($needle,$replace,$haystack,&$count=null){ $args = func_get_args(); if(isnull($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)
5.4.320.0050.04012.52
5.4.310.0080.03612.52
5.4.300.0070.04012.52
5.4.290.0070.03812.52
5.4.280.0090.03312.41
5.4.270.0130.03812.41
5.4.260.0080.03612.41
5.4.250.0060.04012.41
5.4.240.0100.03212.41
5.4.230.0070.03612.40
5.4.220.0080.03412.40
5.4.210.0100.03212.40
5.4.200.0080.03712.40
5.4.190.0100.03512.40
5.4.180.0080.04012.40
5.4.170.0090.03712.40
5.4.160.0070.03412.40
5.4.150.0050.03612.39
5.4.140.0070.03612.09
5.4.130.0080.03312.07
5.4.120.0060.03612.04
5.4.110.0060.03612.03
5.4.100.0040.03612.03
5.4.90.0060.03712.03
5.4.80.0040.03912.04
5.4.70.0030.03812.03
5.4.60.0060.03612.03
5.4.50.0080.04112.02
5.4.40.0090.03212.02
5.4.30.0040.03712.01
5.4.20.0090.03212.01
5.4.10.0070.03312.01
5.4.00.0060.03511.50
5.3.290.0060.04212.80
5.3.280.0070.03712.71
5.3.270.0050.04012.73
5.3.260.0050.04112.71
5.3.250.0090.03412.72
5.3.240.0030.04012.72
5.3.230.0070.03912.71
5.3.220.0110.04312.68
5.3.210.0050.04112.68
5.3.200.0110.03512.68
5.3.190.0070.04712.67
5.3.180.0090.03612.68
5.3.170.0140.03612.67
5.3.160.0060.04112.67
5.3.150.0090.03712.67
5.3.140.0080.03712.66
5.3.130.0080.03912.66
5.3.120.0100.04612.66
5.3.110.0070.04212.66
5.3.100.0060.03512.13
5.3.90.0110.03412.11
5.3.80.0040.03912.09
5.3.70.0060.03612.09
5.3.60.0050.03912.08
5.3.50.0070.03512.03
5.3.40.0020.04012.03
5.3.30.0060.04211.98
5.3.20.0100.03711.77
5.3.10.0100.04211.73
5.3.00.0100.04511.72
5.2.170.0060.0369.22
5.2.160.0050.0369.22
5.2.150.0090.0319.22
5.2.140.0090.0279.21
5.2.130.0020.0329.18
5.2.120.0050.0289.18
5.2.110.0030.0309.19
5.2.100.0050.0289.18
5.2.90.0050.0299.18
5.2.80.0030.0329.18
5.2.70.0050.0309.17
5.2.60.0050.0309.13
5.2.50.0040.0309.10
5.2.40.0040.0299.07
5.2.30.0050.0299.05
5.2.20.0070.0269.04
5.2.10.0050.0278.95
5.2.00.0080.0258.80
5.1.60.0060.0228.09
5.1.50.0030.0268.09
5.1.40.0050.0248.07
5.1.30.0040.0278.42
5.1.20.0060.0298.44
5.1.10.0060.0288.16
5.1.00.0070.0238.17
5.0.50.0050.0206.65
5.0.40.0020.0216.51
5.0.30.0050.0296.32
5.0.20.0030.0196.29
5.0.10.0040.0196.26
5.0.00.0030.0336.25
4.4.90.0050.0124.77
4.4.80.0040.0134.75
4.4.70.0060.0154.75
4.4.60.0010.0174.75
4.4.50.0030.0154.77
4.4.40.0010.0264.71
4.4.30.0010.0174.76
4.4.20.0030.0154.84
4.4.10.0040.0144.85
4.4.00.0030.0244.76
4.3.110.0020.0154.67
4.3.100.0030.0154.67
4.3.90.0020.0154.64
4.3.80.0030.0324.58
4.3.70.0030.0194.63
4.3.60.0040.0184.63
4.3.50.0020.0174.63
4.3.40.0040.0264.54
4.3.30.0030.0153.30
4.3.20.0030.0233.29
4.3.10.0030.0163.24
4.3.00.0130.01713.57

preferences:
142.41 ms | 1394 KiB | 7 Q