Unintuitive expression evaluation with incrementation – stackoverflow.com

For the following code <?php $a=1; $b=$a++; var_dump($b); $a=1; $b=$a+$a++; var_dump($b); $a=1; $b=$a+$a+$a++; var_dump($b); $a=1; $b=$a+$a+$a+$a++; ...

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