php processing instruction (refered to as php#pi)

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Executes the function and returns the result;
- $el parameter of the function is the parent node of the processing instruction;
- if the function returns a string or DOM node, when finished the processing instruction is replaced by the return value

Context: anywhere in //app/client

Remarks:
- this is basically the <?php CODE?> that we all know from daily php programming;
Select the dom node where you need to execute the code and click on the #pi of .... on the right info panel
Write your code inside the text area; optionally you can return a text value
... or a dom node
When you click the OK button you will be prompted for the target of the processing instruction. The default target is aws but ....
... but in this case set it to php