Strict standards: Only variables should be passed by reference

[jim]

Strict standards: Only variables should be passed by reference in C:\wamp64\www\oop_php_login_projectfiles\models\m_auth.php on line 30
what does the above mean
#	Time	Memory	Function	Location
1	0.0010	251576	{main}( )	...\login.php:0
2	0.0180	288400	Auth->validateLogin( )	...\login.php:21

login.php

m_auth.php

[administrator]

Hi,

This has to do with the version of PHP. 

You should paste the PHP code in question, like the 5-10 lines around the error, not the whole page.

That said, and not having looked at the code, it is probably because the code is passing in a function result, as the argument, into another function. So you fix this by creating a variable out of the function call, and pass the variable into the function. 

Stef