Question

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Difference between single quote and double quote string in php

I have some strings which which are made up of random characters including $ sign, this becomes a problem if the string happens to begin with $ as it is treated as a variable, is there some way around this problem?

<?php
$variable="$&%51a-notaVariable";
?>

Answer 1

Answer 1: Use single quotes instead of double quotes.

$variable = '$&%51a-notaVariable';

Answer 2: If you definitely need to use double quotes for whatever reason, you can escape the dollar sign with a backslash.

$variable = "\$&%51a-notaVariable";