[REF] Down with php4 compatibility

[eileenmcnaughton]

Overview

Removes a few more cases where parameters are needlessly passed as references

Before

Better support for php4

After

Worse support for php 4

Technical Details

Part of ongoing cleanup removing unnecessary pass-by-references (which allows code simplication). The key is to check whether the parameters are changes anywhere in the function - if not we are not achieving anything by passing by ref

Comments

[civibot]

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