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I have been stuck trying to write PHP code inside some HTML tags I set up.

I have a variable inside a .php file called $content, and I have a HTML page code inside this variable in the following way:

$content = <<<HTML some html code in here HTML;

Now, within that HTML tag I wanted to add some PHP code, tried using <?php ..... ?>, however I wasn't successful with it. Can anyone help?

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3 Answers 3

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That's a HEREDOC syntax , The closing HTML; should be in margin else it wont work.

Valid Syntax

<?php
$somevar="Hello World";
echo <<<HTML
    <b> Hey this is some text and I am adding this variable $somevar</b>
HTML;

Invalid Syntax

    <?php
    $somevar="Hello World";
    echo <<<HTML
        <b> Hey this is some text and I am adding this variable $somevar</b>
      HTML; //<--- As you can see there is a leading space
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6 Comments

I am pretty sure that the tags are on the right place. The issue I am having is to add php code inside those HEREDOC tags (If that is what you call it)
I think you should also wrap your variables quotes {$somevar}
It is not just a variable that I want to add, perhaps I wasnt very clear, but I want to add few 5 php lines of code inside those HEREDOC tags
@Jordan, Please don't do that.. doing that so will eventually land yourself in Code Smell
@ShankarDamodaran thanks for the opinion, but there is no way to do it, because my <<<HTML tags contain entire HTML page, which is echo by php for display, but this time inside those HEREDOC codes I have html <select></select> tags, and the <option></option> tags content I want to fetch from my database using query
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1

You can always use <script type="text/php">...</script>

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1 Comment

I have tried that too, wasn't successful..Good thought anyways
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With very old version of PHP, HEREDOC <<<HTML to open a string are not always supported. If you use an old PHP, a workaround is to do:

$myvar="some html code here <a href=\"eee\">link</a>
next line of html code
".$myotherphpvar."
rest of lines"

Note that if you open string with ", you must escape all " for html code with \.

With recent PHP version you can use HEREDOC syntax. This is example of syntax:

    $myvar=<<<HTML
some html code here <a href="eee">link</a>
    next line of html code $myotherphpvar
    rest of lines
HTML;

More examples on page: http://www.php.net/manual/en/language.types.string.php#language.types.string.syntax.heredoc

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1 Comment

your example is clear when I want to add a variable inside the HEREDOC tags. However, in this occasion I want to add few 5 php lines of code inside those HTML HEREDOC tags, or if I can call a function inside those HEREDOC tags, then things can become easier

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