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[vox-tech] php: variables within echo
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[vox-tech] php: variables within echo

This works the way you'd expect any scripting language to work:

   $var = "No, yellow!";
   echo "<p>Blue.  $var</p>";

However, this gives a parse error:

   echo "<p>Blue.  $_POST['elderberries']</p>";

Instead, it has to be written this way:

   echo "<p>Blue.  " . $_POST['elderberries'] . "</p>";

or this way:

   $var = $_POST['elderberries'];
   echo "<p>Blue.  $var</p>";

What exactly is the difference between the "stringyness" of an automatic
variable and a $_POST variable?  Why the parse error in code #2?


PS- Offtopic... I quite literally ROFL'ed reading this:


This guy has cajones!  My favorite response is to enya one.  My favorite
threat letter is from Sega.  It's hilarious that they say:

   * If you receive this email by accident, please return it to us.
   * Emails from us may contain viruses that damage your computer.
     We're not liable if they do.

The mathematics of physics has become ever more abstract, rather than more
complicated.  The mind of God appears to be abstract but not complicated.
He also appears to like group theory.  --  Tony Zee's "Fearful Symmetry"

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