To be able to pass a variable by reference, we use an ampersand in front of it, as follows $var1 = &$var2
PHP
Topic: Variables
How can you pass a variable by reference?
Browse random answers:
What is Variables?
What is PHP Variables?
How do you declaring a variable?
Explain the difference between $message and $$message.
How can we check the value of a given variable is a number?
How do I check if a given variable is empty?
what is the static variable in function useful for?
How can we define a variable accessible in functions of a PHP script?
How can you pass a variable by reference?
If the variable $var1 is set to 10 and the $var2 is set to the character var1, what’s the value of $$var2?
What does $GLOBALS means?
What does $_ENV means?