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PHP topic discussion php7 PHP environment construction PHP from entry to proficiency

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Release: 2016-07-29 08:48:53
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$a = 1;

$b = &$a;

$b = "2$b";

echo $a;

echo $b;

Result: 21, 21

The above has introduced the PHP topic discussion, including PHP content. I hope it will be helpful to friends who are interested in PHP tutorials.

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