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when using & beside variables what happens in memory?

&$variable_name;

I think so clear and dont have more details to add to the question!

thefabdev
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Michael
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    You pass a pointer (reference) to the variable and not the actual bytes contained in that variable. – RiggsFolly Nov 25 '19 at 18:05
  • Does this answer your question? [Reference — What does this symbol mean in PHP?](https://stackoverflow.com/questions/3737139/reference-what-does-this-symbol-mean-in-php) – jtate Nov 25 '19 at 20:42

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