In those years, the PHP self-increment and self-subtraction operations we have pursued (1)_PHP Tutorial

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PHP doesn’t have many arithmetic symbols, but not all of them do you know how to use?

Here let’s talk about the upgraded version of PHP’s arithmetic symbols: ++, --, haha.

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++ means self-increment,

--　That is, self-decreasing.

Practical application:

$a = 10; $a++ = ? //Use first and then add, the final result is 11

$a = 10; ++$a = ? //Add first and then use, the final result is 11

$a = 10;

$b = $a++ + ++$a;

echo $a;

echo $b; //Let’s do the math and I’ll reply with the answer

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http://www.cnblogs.com/farwish/p/3795614.html

http://www.bkjia.com/PHPjc/815976.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/815976.htmlTechArticle--------------------- -------------------------------------------------- ------------------ There are not many operation symbols in PHP, but not all of them do you know how to use? Here we come...