"php 5.4 call-time pass-by-reference - easy fix available?" Answer’s


You should be denoting the call by reference in the function definition, not the actual call. Since PHP started showing the deprecation errors in version 5.3, I would say it would be a good idea to rewrite the code.

From the documentation:

There is no reference sign on a function call - only on function definitions. Function definitions alone are enough to correctly pass the argument by reference. As of PHP 5.3.0, you will get a warning saying that "call-time pass-by-reference" is deprecated when you use & in foo(&$a);.

For example, instead of using:

// Wrong way!
myFunc(&$arg);               # Deprecated pass-by-reference argument
function myFunc($arg) { }


// Right way!
myFunc($var);                # pass-by-value argument
function myFunc(&$arg) { }
Wednesday, March 31, 2021
answered 11 Months ago
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