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phpstring-building

PHP function to add data to string

My code:

$myText = "";

function addText($textString){
   $myText .= $textString;
}

addText("Hello there...");

echo $myText;

Expected output:

Hello There...

$myText was empty.

Why does this happen?

Solution

  • try this:

    $myText = "";

function addText($textString){
   global $myText;
   $myText .= $textString;
}

addText("Hello there...");

echo $myText;

    the reason you have to do the is is bc $myText is not in the scope on the function.
    so to put it in scope, you have to tell the function which global variables to use

    here is the demo: http://codepad.org/DeH89No6