3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var1="[i]this is just a stest you jsfajz[/i]"; echo preg_replace("/\[i\](.*)\[\/i\]/i", "<i>\\1</i>", $var1; ?>

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)
5.4.270.0040.03812.38
5.4.260.0080.03612.37
5.4.250.0070.03712.38
5.4.240.0070.03612.38
5.4.230.0050.03812.37
5.4.220.0070.03512.37
5.4.210.0090.03412.37
5.4.200.0070.03612.37
5.4.190.0070.03912.36
5.4.180.0040.03612.37
5.4.170.0040.03712.37
5.4.160.0050.03812.36
5.4.150.0070.03412.36
5.4.140.0050.03712.05
5.4.130.0040.03612.03
5.4.120.0070.03412.00
5.4.110.0050.03511.99
5.4.100.0060.03712.00
5.4.90.0070.03611.99
5.4.80.0050.03612.00
5.4.70.0070.03511.99
5.4.60.0040.04111.99
5.4.50.0050.03611.99
5.4.40.0070.03511.98
5.4.30.0060.03611.97
5.4.20.0070.04211.97
5.4.10.0080.03611.97
5.4.00.0060.04311.47
5.3.280.0070.03712.71
5.3.270.0100.03912.72
5.3.260.0070.03812.72
5.3.250.0070.03712.72
5.3.240.0070.03812.72
5.3.230.0050.04112.71
5.3.220.0050.04112.68
5.3.210.0060.04312.68
5.3.200.0050.03712.68
5.3.190.0070.03612.68
5.3.180.0070.03512.67
5.3.170.0060.03712.67
5.3.160.0050.03612.67
5.3.150.0080.03512.67
5.3.140.0070.03512.66
5.3.130.0070.03812.66
5.3.120.0090.03612.66
5.3.110.0070.03612.66
5.3.100.0050.03712.12
5.3.90.0070.03812.08
5.3.80.0070.03612.08
5.3.70.0030.04212.08
5.3.60.0090.03412.06
5.3.50.0070.03612.00
5.3.40.0090.03412.00
5.3.30.0140.02711.94
5.3.20.0070.03611.71
5.3.10.0040.04111.67
5.3.00.0060.03611.66
5.2.170.0020.0329.16
5.2.160.0040.0309.16
5.2.150.0040.0349.16
5.2.140.0080.0279.15
5.2.130.0040.0309.12
5.2.120.0040.0329.12
5.2.110.0060.0289.12
5.2.100.0070.0279.13
5.2.90.0050.0279.12
5.2.80.0040.0319.12
5.2.70.0040.0309.11
5.2.60.0040.0309.07
5.2.50.0030.0319.04
5.2.40.0050.0299.02
5.2.30.0040.0318.99
5.2.20.0060.0278.98
5.2.10.0050.0268.90
5.2.00.0040.0298.76
5.1.60.0050.0258.04
5.1.50.0090.0218.05
5.1.40.0040.0248.03
5.1.30.0040.0258.38
5.1.20.0070.0238.40
5.1.10.0040.0258.13
5.1.00.0050.0238.12
5.0.50.0030.0216.60
5.0.40.0040.0186.46
5.0.30.0040.0306.27
5.0.20.0040.0196.24
5.0.10.0060.0166.22
5.0.00.0030.0326.21
4.4.90.0040.0144.78
4.4.80.0020.0154.76
4.4.70.0030.0164.76
4.4.60.0020.0164.75
4.4.50.0040.0134.77
4.4.40.0040.0254.71
4.4.30.0040.0144.76
4.4.20.0040.0134.85
4.4.10.0030.0144.85
4.4.00.0030.0254.76
4.3.110.0030.0184.67
4.3.100.0040.0174.67
4.3.90.0030.0154.63
4.3.80.0030.0234.58
4.3.70.0030.0144.63
4.3.60.0040.0134.63
4.3.50.0040.0184.63
4.3.40.0020.0244.54
4.3.30.0020.0163.28
4.3.20.0020.0153.26
4.3.10.0020.0153.22
4.3.00.0170.0176.36

preferences:
135.96 ms | 1394 KiB | 7 Q