3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'A B C ()'; $str = preg_replace(\ \(\)\&\i, '_', $str);

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)
5.4.260.0030.03912.36
5.4.250.0060.04112.36
5.4.240.0060.03912.36
5.4.230.0080.05412.36
5.4.220.0090.05012.35
5.4.210.0070.04912.35
5.4.200.0090.05012.36
5.4.190.0070.05212.35
5.4.180.0080.05112.35
5.4.170.0090.05012.36
5.4.160.0110.03912.35
5.4.150.0080.03912.35
5.4.140.0100.04512.04
5.4.130.0040.03812.02
5.4.120.0070.03411.98
5.4.110.0030.03811.98
5.4.100.0110.03011.98
5.4.90.0030.04011.98
5.4.80.0040.03911.98
5.4.70.0030.03811.98
5.4.60.0080.03211.98
5.4.50.0070.04011.97
5.4.40.0050.03611.96
5.4.30.0050.03811.96
5.4.20.0070.03411.96
5.4.10.0050.04811.96
5.4.00.0100.04011.45
5.3.280.0090.04712.71
5.3.270.0150.05612.72
5.3.260.0090.05312.72
5.3.250.0160.04712.72
5.3.240.0100.03412.72
5.3.230.0050.04112.71
5.3.220.0060.03712.68
5.3.210.0060.05412.68
5.3.200.0110.03712.68
5.3.190.0030.04012.68
5.3.180.0050.03612.67
5.3.170.0060.03712.67
5.3.160.0080.03412.67
5.3.150.0060.03712.68
5.3.140.0050.03712.66
5.3.130.0060.03812.65
5.3.120.0070.04112.66
5.3.110.0120.04212.66
5.3.100.0070.03512.12
5.3.90.0080.03812.09
5.3.80.0080.04812.07
5.3.70.0090.03612.07
5.3.60.0070.03612.06
5.3.50.0080.03612.00
5.3.40.0060.03612.00
5.3.30.0080.03811.94
5.3.20.0080.03411.70
5.3.10.0060.04111.65
5.3.00.0090.03311.66
5.2.170.0060.0309.14
5.2.160.0040.0349.14
5.2.150.0040.0359.14
5.2.140.0030.0329.14
5.2.130.0070.0269.10
5.2.120.0050.0299.10
5.2.110.0030.0439.11
5.2.100.0060.0319.11
5.2.90.0060.0289.10
5.2.80.0080.0279.09
5.2.70.0040.0329.09
5.2.60.0070.0289.05
5.2.50.0080.0279.02
5.2.40.0080.0309.00
5.2.30.0070.0298.97
5.2.20.0050.0348.95
5.2.10.0060.0428.88
5.2.00.0070.0388.74
5.1.60.0070.0318.02
5.1.50.0050.0258.03
5.1.40.0050.0308.02
5.1.30.0020.0298.36
5.1.20.0030.0298.38
5.1.10.0050.0328.11
5.1.00.0070.0348.11
5.0.50.0040.0276.58
5.0.40.0020.0256.44
5.0.30.0000.0356.26
5.0.20.0040.0196.23
5.0.10.0020.0226.20
5.0.00.0020.0346.20
4.4.90.0020.0234.78
4.4.80.0020.0164.76
4.4.70.0020.0164.76
4.4.60.0010.0184.75
4.4.50.0020.0164.77
4.4.40.0010.0274.71
4.4.30.0040.0144.75
4.4.20.0030.0154.85
4.4.10.0020.0164.85
4.4.00.0020.0254.75
4.3.110.0010.0184.67
4.3.100.0020.0164.67
4.3.90.0030.0144.63
4.3.80.0040.0234.58
4.3.70.0040.0134.63
4.3.60.0030.0144.63
4.3.50.0030.0154.63
4.3.40.0030.0234.54
4.3.30.0010.0173.27
4.3.20.0030.0183.25
4.3.10.0020.0173.21
4.3.00.0070.01313.22

preferences:
142.94 ms | 1394 KiB | 7 Q