PHP error: StrictStandards: Onlyvariablesshouldbepassedbyreferencein.

PHP error: StrictStandards: Onlyvariablesshouldbepassedbyreferencein ...????? During the test, the following error message is returned in the PHP log :????? StrictStandards: Onlyvariablesshouldbepassedbyreference PHP error: Strict Standards: Only variables shocould be passed by reference in...

????? During the test, an error message similar to the following is reported in the PHP log:

????? Strict Standards: Only variables shocould be passed by reference in...

????? Find the following web on Google:

????? "Strict Standards: Only variables shocould be passed by reference" error

????? The respondent shiplu. mokadd. im provides a concise explanation of the solution, which mentions:

The following things can be passed by reference:

-Variables, I. e. foo ($)
-New statements, I. e. foo (new foobar ())
-[References returned from functions] [2]

????? For more information, refer to http://www.php.net/manual/en/language.references.pass.php