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What is a reference assignment in PHP?

reference-assignment

A reference assignment in PHP in respect of variables is when a variable references another variable. So for example 2 variables… $a = ‘red’; $b = ‘blue’; echo $a . ‘<br>’; echo $b . ‘<br>’; The first echo output will produce ‘red’ and ‘blue’ Now change $b to reference $a $b =& $a; echo $a…

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