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The e-commerce.

Option text and Character Calculations


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I know this is a possibility, coz I have done something relatively similar in PHP, but I am wondering if anyone has ever set up an attribute for entering text that calculates the number of characters entered, and charges for #characters > X.


Say you do hockey jerseys and offer up to 5 letters free on the back for personalization, and extra characters are +$2.


So how would you build off of say an if (strlen($text) > 5? And where would you build it?

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