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)
8.3.60.0150.00016.38
8.3.50.0100.01021.94
8.3.40.0100.01018.79
8.3.30.0100.00319.09
8.3.20.0070.00020.34
8.3.10.0060.00320.66
8.3.00.0070.00319.38
8.2.180.0150.00317.00
8.2.170.0070.00722.96
8.2.160.0070.00720.29
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0000.00821.04
8.2.110.0070.00322.07
8.2.100.0030.00618.94
8.1.280.0110.00425.92
8.1.270.0040.00423.83
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0070.00318.62
8.1.230.0060.00318.37
5.4.320.0080.03612.51
5.4.310.0070.03712.51
5.4.300.0090.03712.52
5.4.290.0080.03712.51
5.4.280.0030.03812.41
5.4.270.0060.03912.41
5.4.260.0070.03912.41
5.4.250.0100.04012.41
5.4.240.0100.03312.41
5.4.230.0060.03712.40
5.4.220.0080.03812.40
5.4.210.0070.03812.41
5.4.200.0080.04412.40
5.4.190.0070.03512.40
5.4.180.0060.03612.39
5.4.170.0050.03712.40
5.4.160.0110.04012.40
5.4.150.0050.03612.39
5.4.140.0090.03912.08
5.4.130.0050.04112.07
5.4.120.0060.03812.03
5.4.110.0090.03512.02
5.4.100.0110.03712.02
5.4.90.0070.03912.02
5.4.80.0080.03812.02
5.4.70.0070.03812.02
5.4.60.0110.03212.02
5.4.50.0060.03712.02
5.4.40.0090.03312.00
5.4.30.0050.04012.00
5.4.20.0050.03712.00
5.4.10.0040.03612.00
5.4.00.0060.03411.50
5.3.290.0050.04112.80
5.3.280.0110.03612.71
5.3.270.0050.04112.73
5.3.260.0060.03912.71
5.3.250.0100.03412.72
5.3.240.0080.04012.72
5.3.230.0060.03712.70
5.3.220.0050.04312.68
5.3.210.0070.04312.68
5.3.200.0080.04112.68
5.3.190.0080.03612.67
5.3.180.0080.03512.67
5.3.170.0070.03612.67
5.3.160.0070.03612.67
5.3.150.0090.04112.67
5.3.140.0100.03412.66
5.3.130.0090.03612.66
5.3.120.0060.04012.66
5.3.110.0090.03512.66
5.3.100.0060.03612.12
5.3.90.0070.03812.11
5.3.80.0070.03612.09
5.3.70.0060.03712.09
5.3.60.0150.04012.08
5.3.50.0110.03712.02
5.3.40.0100.03712.02
5.3.30.0060.04211.98
5.3.20.0080.03411.77
5.3.10.0090.04011.73
5.3.00.0080.03611.72
5.2.170.0050.0369.21
5.2.160.0040.0369.22
5.2.150.0080.0339.21
5.2.140.0040.0319.21
5.2.130.0050.0309.17
5.2.120.0070.0299.17
5.2.110.0040.0339.18
5.2.100.0060.0359.18
5.2.90.0060.0379.18
5.2.80.0050.0349.17
5.2.70.0070.0319.17
5.2.60.0040.0339.13
5.2.50.0110.0299.10
5.2.40.0090.0319.07
5.2.30.0070.0339.05
5.2.20.0070.0329.04
5.2.10.0070.0288.95
5.2.00.0080.0318.80
5.1.60.0080.0238.09
5.1.50.0060.0308.09
5.1.40.0040.0288.07
5.1.30.0070.0348.41
5.1.20.0060.0278.44
5.1.10.0020.0358.16
5.1.00.0090.0278.16
5.0.50.0040.0256.64
5.0.40.0050.0256.50
5.0.30.0050.0406.31
5.0.20.0030.0256.28
5.0.10.0040.0256.26
5.0.00.0090.0326.25
4.4.90.0040.0174.78
4.4.80.0030.0174.75
4.4.70.0090.0144.75
4.4.60.0060.0164.76
4.4.50.0040.0164.77
4.4.40.0030.0274.71
4.4.30.0050.0174.76
4.4.20.0050.0164.85
4.4.10.0030.0194.85
4.4.00.0050.0324.75
4.3.110.0050.0184.66
4.3.100.0020.0204.66
4.3.90.0040.0174.64
4.3.80.0040.0284.59
4.3.70.0030.0214.63
4.3.60.0050.0234.62
4.3.50.0080.0224.63
4.3.40.0110.0454.54
4.3.30.0020.0203.30
4.3.20.0040.0173.29
4.3.10.0040.0203.24
4.3.00.0270.01313.57

preferences:
37 ms | 401 KiB | 5 Q