3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match('/&lt;&lt;&lt;(&#039;|&quot;)?([A-Za-z][A-Za-z0-9]*)\\g{-2}[\\r\\n].*?(?<=[\\r\\n])\\g{-1};?(?=[\\r\\n])/si', '$str = &lt;&lt;&lt;EODString Keeps Going EOD;', $matches); var_dump($matches);

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)
5.4.310.0090.04312.49
5.4.300.0060.03812.50
5.4.290.0060.03912.49
5.4.280.0050.03712.39
5.4.270.0050.03812.39
5.4.260.0070.03912.39
5.4.250.0060.04212.39
5.4.240.0070.03712.39
5.4.230.0070.03712.38
5.4.220.0080.03712.38
5.4.210.0080.03512.38
5.4.200.0060.04112.38
5.4.190.0060.04012.38
5.4.180.0070.03612.38
5.4.170.0070.03912.39
5.4.160.0080.03812.38
5.4.150.0060.03812.38
5.4.140.0060.04412.07
5.4.130.0070.04012.05
5.4.120.0080.03912.01
5.4.110.0060.04012.01
5.4.100.0060.03712.01
5.4.90.0070.03912.01
5.4.80.0070.03812.01
5.4.70.0050.03912.01
5.4.60.0070.03612.00
5.4.50.0080.04112.00
5.4.40.0090.03912.00
5.4.30.0080.03811.99
5.4.20.0060.04011.99
5.4.10.0080.03711.99
5.4.00.0060.03911.49
5.3.290.0080.04212.80
5.3.280.0060.04212.71
5.3.270.0070.03912.72
5.3.260.0060.04012.72
5.3.250.0070.03812.72
5.3.240.0070.03912.72
5.3.230.0080.03712.71
5.3.220.0060.03812.68
5.3.210.0070.03912.68
5.3.200.0050.04012.68
5.3.190.0070.03912.68
5.3.180.0070.03712.67
5.3.170.0080.03712.67
5.3.160.0060.03912.67
5.3.150.0050.04112.67
5.3.140.0060.04012.66
5.3.130.0070.04612.66
5.3.120.0070.04212.66
5.3.110.0080.04212.66
5.3.100.0090.03612.12
5.3.90.0060.03912.08
5.3.80.0050.03812.07
5.3.70.0060.03912.08
5.3.60.0050.03912.06
5.3.50.0080.03812.00
5.3.40.0050.03812.00
5.3.30.0060.03911.95
5.3.20.0070.03911.73
5.3.10.0060.04311.70
5.3.00.0070.03811.68
5.2.170.0080.0389.18
5.2.160.0060.0339.18
5.2.150.0050.0349.18
5.2.140.0060.0309.18
5.2.130.0060.0319.14
5.2.120.0060.0299.14
5.2.110.0050.0349.15
5.2.100.0060.0299.14
5.2.90.0070.0359.14
5.2.80.0070.0379.14
5.2.70.0050.0329.14
5.2.60.0040.0309.09
5.2.50.0060.0319.06
5.2.40.0060.0329.04
5.2.30.0070.0339.01
5.2.20.0050.0319.00
5.2.10.0050.0298.92
5.2.00.0080.0318.78
5.1.60.0030.0268.07
5.1.50.0060.0288.06
5.1.40.0060.0268.05
5.1.30.0050.0308.40
5.1.20.0060.0318.42
5.1.10.0070.0288.14
5.1.00.0070.0308.14
5.0.50.0050.0236.62
5.0.40.0090.0316.48
5.0.30.0050.0336.29
5.0.20.0040.0246.26
5.0.10.0040.0216.24
5.0.00.0030.0326.23
4.4.90.0040.0174.78
4.4.80.0030.0174.75
4.4.70.0030.0194.75
4.4.60.0030.0204.76
4.4.50.0040.0184.77
4.4.40.0030.0284.71
4.4.30.0030.0174.76
4.4.20.0010.0204.84
4.4.10.0040.0194.85
4.4.00.0030.0264.76
4.3.110.0030.0164.67
4.3.100.0040.0154.66
4.3.90.0030.0154.63
4.3.80.0040.0244.58
4.3.70.0030.0154.63
4.3.60.0030.0174.63
4.3.50.0030.0174.63
4.3.40.0020.0254.54
4.3.30.0020.0173.28
4.3.20.0020.0153.26
4.3.10.0020.0163.22
4.3.00.0000.01715.94

preferences:
149.73 ms | 1394 KiB | 7 Q