Dodo's Scripts Collection

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Error handling for dynamic inclusion
To detect error in dynamic inclusion, you must try to test whether the file exists. So modify your code to

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>

<BODY>

<?php

	// the following part allows to you call your file without "?"
	if(!$z)
		include("home.php"); // or whatever you want. make sure it exists!
	else {

		// make sure it's a file in this particular directory
		$z = basename($z);
		// make php extension for it
		$z .= ".php";
		if(is_file($z)) // does it exist?
			include($z);
		else
			print "Sorry, the page doesn't exist!"; // or you can include another file
	}

	
?>

</BODY>
</HTML>

Save it as mod_test3.php. And now when you call mod_test3.php?z=meow, see what happens? :)

For the second type of dynamic inclusion, also change code to

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>

<BODY>

<?php
	
	if(!$z)
		// the following part allows to you call your file without "?"
		include("home.php"); // or whatever you want. make sure it exists!
	else {
		// make sure it's a file in this particular directory
		// $_SERVER['QUERY_STRING'] gives you everything after
		// the question mark
		$z = basename($_SERVER['QUERY_STRING']);
		// make php extension for it
		$z .= ".php";
		if(is_file($z)) // does it exist?
			include($z);
		else
			print "Sorry, the page doesn't exist!"; // or you can include another file
	}
	
?>

</BODY>
</HTML>

That's how to you do it :)
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