3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($srting) { $string = str_replace(' ', '', $srting); return preg_replace('/[^A-Za-z0-9\-]/', '', $srting); } echo "wat";

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)
5.4.310.0090.03712.52
5.4.300.0060.04112.52
5.4.290.0040.04112.51
5.4.280.0050.03712.41
5.4.270.0020.04412.41
5.4.260.0070.04012.41
5.4.250.0080.04312.41
5.4.240.0060.04112.41
5.4.230.0080.04012.40
5.4.220.0050.04412.40
5.4.210.0050.04012.40
5.4.200.0080.04912.40
5.4.190.0040.03712.40
5.4.180.0090.03512.40
5.4.170.0060.03812.40
5.4.160.0080.03412.40
5.4.150.0060.03712.40
5.4.140.0050.03812.09
5.4.130.0040.03812.07
5.4.120.0040.03912.04
5.4.110.0070.03912.03
5.4.100.0090.04312.03
5.4.90.0070.03612.03
5.4.80.0060.03612.03
5.4.70.0060.03512.02
5.4.60.0090.03212.03
5.4.50.0060.04012.03
5.4.40.0030.03812.02
5.4.30.0090.03312.01
5.4.20.0080.03412.01
5.4.10.0070.03312.01
5.4.00.0050.03811.51
5.3.280.0050.03912.71
5.3.270.0060.03912.72
5.3.260.0070.04312.72
5.3.250.0070.03612.72
5.3.240.0050.03912.72
5.3.230.0080.03512.71
5.3.220.0080.03512.68
5.3.210.0080.03712.68
5.3.200.0060.03612.68
5.3.190.0060.03812.68
5.3.180.0060.03712.68
5.3.170.0060.03812.67
5.3.160.0080.03512.67
5.3.150.0070.03612.68
5.3.140.0050.03712.66
5.3.130.0030.04112.66
5.3.120.0070.03812.65
5.3.110.0080.03712.66
5.3.100.0070.03612.13
5.3.90.0050.03812.11
5.3.80.0060.03912.09
5.3.70.0060.04212.09
5.3.60.0050.03712.09
5.3.50.0080.03412.02
5.3.40.0010.04012.02
5.3.30.0070.03411.98
5.3.20.0080.03811.77
5.3.10.0070.04311.73
5.3.00.0050.03911.72
5.2.170.0070.0329.22
5.2.160.0060.0399.21
5.2.150.0070.0309.21
5.2.140.0060.0299.21
5.2.130.0060.0359.17
5.2.120.0060.0379.17
5.2.110.0110.0359.18
5.2.100.0100.0409.18
5.2.90.0120.0429.18
5.2.80.0070.0429.17
5.2.70.0110.0489.18
5.2.60.0080.0369.12
5.2.50.0070.0349.09
5.2.40.0100.0339.07
5.2.30.0080.0399.04
5.2.20.0110.0359.04
5.2.10.0100.0358.95
5.2.00.0090.0418.80
5.1.60.0070.0248.09
5.1.50.0040.0298.08
5.1.40.0060.0238.07
5.1.30.0040.0308.42
5.1.20.0030.0328.44
5.1.10.0050.0268.16
5.1.00.0060.0278.16
5.0.50.0040.0226.64
5.0.40.0020.0226.50
5.0.30.0040.0316.31
5.0.20.0020.0226.28
5.0.10.0040.0216.26
5.0.00.0060.0346.26
4.4.90.0040.0184.78
4.4.80.0040.0204.76
4.4.70.0020.0174.75
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0010.0274.71
4.4.30.0030.0154.76
4.4.20.0050.0154.84
4.4.10.0060.0134.84
4.4.00.0040.0264.76
4.3.110.0010.0184.67
4.3.100.0010.0174.66
4.3.90.0030.0144.64
4.3.80.0050.0234.58
4.3.70.0020.0164.63
4.3.60.0010.0184.63
4.3.50.0040.0154.63
4.3.40.0020.0274.54
4.3.30.0010.0173.30
4.3.20.0010.0203.27
4.3.10.0020.0183.24
4.3.00.0000.01315.90

preferences:
138.39 ms | 1394 KiB | 7 Q