How to implement your Cybersource Merchant Defined Data Fields (MDD) in WordPress Theme functions.php Step 1: Open your Wordpres theme functions.php at your favorite text editor. functions.php is located in wp-content > theme > your current theme > functions.php Step 2: Copy and Paste this sample PHP Code that will connect the secured cybersource Signed … Continue reading How to implement Cybersource MDD Fields
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