A PHP “variable variable” takes the value of a variable and treats that as the name of a variable. For example, if $var is a variable then $$var is a variable variable whose name is the value of $var. Which script produces the output below, using variable variables?

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Here is the answer of the question: A PHP “variable variable” takes the value of a variable and treats that as the name of a variable. For example, if $var is a variable then $$var is a variable variable whose name is the value of $var. Which script produces the output below, using variable variables?

  • $name = “Cat”;
    $name = “Dog”;
    echo $name . “<br/>”;
    echo $$name . “<br/>”;
    echo $Dog;
  • $name = “Cat”;
    $$name = “Dog”;
    echo $name . “<br/>”;
    echo $$name . “<br/>”;
    echo $Dog;
  • $name = “Cat”;
    $$name = “Dog”;
    echo $name . “<br/>”;
    echo $$name . “<br/>”;
    echo $Cat;
  • $name = “Cat”;
    $$name = “Dog”;
    echo $name . “<br/>”;
    echo $name . “<br/>”;
    echo $Cat;

The above question is related to “LinkedIn PHP Skill Quiz“. You can find all the updated questions and answers related to to “LinkedIn PHP Skill Quiz” on the “LinkedIn PHP Skill Quiz” page. If you find the update in question or answers, do comment on this page and let us know. We will update the answers as soon as possible.

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