PHP: Using a variable inside a double quotes

by 
$imagebaseurl="support/content_editor/uploads/" . $name;

or

$imagebaseurl = "support/content_editor/uploads/{$name}";

Note that if you use double quotes, you can also write the above as:

$imagebaseurl = "support/content_editor/uploads/$name";

It’s good though to get in the habit of using {$...} in double quotes instead of only $..., for times where you need to insert the variable in a string where it’s not obvious to PHP which part is the variable and which part is the string.

If you want the best performance, use string concatenation with single quotes.

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