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  1. Alexander Rath

    Mind you can also do that with more $s:

    And you can use curly brackets:

    Reply ↓
  2. Alexander Rath

    Mind you can also do that with more $s:

    <?php

  $var1 = 'var2';
  $var2 = 'nameOfVariable';

  $nameOfVariable = 'The value I want!';

  echo $$$var1;

?>

    And you can use curly brackets:

    <?php

  $var1 = 'nameOf';
  $var2 = 'TheVariable';

  $nameOfTheVariable = 'Another value I want!';

  echo ${$var1 . $var2}; // Use concatenation to generate the variable name and then access it //

?>
    Reply ↓
  3. sas

    no

    Reply ↓
  4. John Shammas

    Wow! I never even knew about this. Might be a pretty great asset in the future.

    Reply ↓
  5. Attila Hajzer

    how? ^

    Reply ↓
  6. Mahesh

    I would like to ask a question, How to show variable in between the text.
    E.g., I have
    “var1 = $_POST['username'];”

    I want to show it something like this,
    “Hello [username]“.

    How to do it?

    I tried this but it didn’t work,
    “echo Hello $var1;”

    Please help me regarding this.

    Reply ↓
    • Nerve

      $var1=$_POST’username’];
      echo “Hello [" . $var1 . "]“;

  7. sreevisakh

    Try like this

    $var=$_POST['username'];
    echo ‘Hello['.$var.']‘;

    Reply ↓
  8. Baylor Rae'

    If you need to create variables from an array there are two options.

    The first uses php extract()

     'Baylor', 'email' => 'baylor@example.com'));
echo $name; // Baylor
echo $email; // baylor@example.com

// example: http://baylorrae.codepad.org/VdIA118O

    The second options which will give you more control is php list()

    <?php

list($name, $email) = array('Baylor', 'baylorrae@gmail.com');

echo $name;
echo $email;

// example: http://baylorrae.codepad.org/WejSCaCB
    Reply ↓
  9. perpleXa

    this is really bad practice and with proper code you should not need that mutation of code.

    also, don’t directly output $_POST/$_GET or $_REQUEST content without using htmlentities() around it, as your site might be vulnerable to cross-site-scripting and other injections.

    Reply ↓
  10. Chris

    Hmmm, I’m probably just a little dense, but could you give an example of when this technique would be useful?

    Reply ↓

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