I am trying to extract php code from a php file (php file also contains html, css and javascript code). I am using the following regex for this
but this doesn't cater quotation marks (single and double quotes) and comments, i mean how can i skip php tags inside a string (and comments). Please have a look at the following code -
<?php
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include("db.php");
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$name=$_REQUEST['name'];
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/* the regular expression to extract code inside php tags (i.e <? and ?>) is */
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$str='|<\?[\w\W]*?\?>|';
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# The regex can also be written using double quotes
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$str="|<\?[\w\W]*?\?>|";
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?>
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
-
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<title>Sample PHP File</title>
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</head>
-
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<body>
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<?="<h1>Some output from PHP?>
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</body>
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</html>
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I need a regular expression that extracts the two blocks of PHP code from sample code
3  4104  Dormilich 8,658
Recognized Expert Moderator Expert @rizwan6feb
well, if I try, the RegEx gets it all. your problem is that it is extremely difficult to determine, whether a "?>" is a comment, a string or a processing instruction (i.e. you need to kind of parse the string).
maybe it's easier to do the reverse and not extract what's between ?> and <? (though this may also fail in special circumstances)
Dormilich 8,658
Recognized Expert Moderator Expert
are you sure? the RegEx fails for me (that is, it doesn't get the whole first block, only chunks).
translated into characters… all that's a string, a comment or any char - <\?("[^"]*?"|'[^\']*?'|/\*.*?\*/|.)*?\?>
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