3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = ' <?xml version="1.0" encoding="ISO-8859-1" ?> <!DOCTYPE romeoapi SYSTEM "http://www.sherpa.ac.uk/romeo/romeoapi24.dtd"> <romeoapi version="2.9.4"> <header> <parameters> <parameter source="specified"> <parametername>id</parametername> <parametervalue>213213213213213</parametervalue> </parameter> <parameter source="default"> <parametername>showfunder</parametername> <parametervalue>none</parametervalue> </parameter> <parameter source="default"> <parametername>fIDnum</parametername> <parametervalue>|</parametervalue> </parameter> <parameter source="default"> <parametername>la</parametername> <parametervalue>en</parametervalue> </parameter> <parameter source="default"> <parametername>versions</parametername> <parametervalue>legacy</parametervalue> </parameter> </parameters> <numhits>0</numhits> <apicontrol>identifier</apicontrol> <outcome>notFound</outcome> <message /> <licence>SHERPA/RoMEO data is available for re-use under a Creative Commons Attribution-Non-Commercial-Share Alike 2.5 licence. For more details, please see the 'conditions for re-use' at the &lt;licenceurl /&gt;, and linked-to from the SHERPA/RoMEO home page.</licence> <licenceurl>http://www.sherpa.ac.uk/romeoreuse.html</licenceurl> <disclaimer>All SHERPA/RoMEO information is correct to the best of our knowledge but should not be relied upon for legal advice. SHERPA cannot be held responsible for the re-use of RoMEO data, or for alternative interpretations which are derived from this information.</disclaimer> <timestamp>16-Oct-2013:15:00:12</timestamp> </header> <journals /> <publishers /> </romeoapi> '; echo $string';

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)
5.4.200.0100.04312.38
5.4.190.0120.03912.37
5.4.180.0120.03812.37
5.4.170.0210.06612.38
5.4.160.0130.04512.37
5.4.150.0180.06512.37
5.4.140.0130.04312.06
5.4.130.0210.06312.04
5.4.120.0100.04012.01
5.4.110.0180.06112.00
5.4.100.0110.05712.01
5.4.90.0140.05212.00
5.4.80.0140.06812.00
5.4.70.0120.03812.00
5.4.60.0170.06212.00
5.4.50.0220.05312.00
5.4.40.0220.05211.99
5.4.30.0140.04111.98
5.4.20.0140.03611.98
5.4.10.0080.04611.99
5.4.00.0260.07111.47
5.3.270.0220.06812.72
5.3.260.0160.04412.72
5.3.250.0150.05712.72
5.3.240.0240.06312.72
5.3.230.0250.07912.71
5.3.220.0280.07312.68
5.3.210.0290.07812.68
5.3.200.0140.04112.68
5.3.190.0220.06612.68
5.3.180.0170.05712.68
5.3.170.0150.06012.67
5.3.160.0260.06512.67
5.3.150.0120.04712.67
5.3.140.0130.04712.66
5.3.130.0200.07112.66
5.3.120.0220.07212.66
5.3.110.0240.07112.66
5.3.100.0270.06012.12
5.3.90.0100.04312.08
5.3.80.0160.05212.07
5.3.70.0260.06012.07
5.3.60.0150.06912.06
5.3.50.0210.06312.00
5.3.40.0160.06712.00
5.3.30.0120.04611.94
5.3.20.0200.06611.72
5.3.10.0180.05311.68
5.3.00.0220.06711.67

preferences:
140.5 ms | 1394 KiB | 7 Q