What do 2 plus signs mean in php

The two plus signs in php represent self-increment. For example, "i" means to take the value of i first, and then add 1 to the value of i, and "i" means to add 1 to the value of i first, and then take i. value.

#The operating environment of this article: Windows 7 system, PHP version 7.1, Dell G3 computer.

What do the two plus signs in php mean?

means self-adding.

The basic syntax of php is the same as C

i: First take the value of i, and then add 1 to the value of i.

i: First add 1 to the value of i, and then take the value of i.

There is also something similar in VB ASP i=i 1 which is equivalent to i in C

Note: $i=$i 1; cannot replace $i; appears in the program.

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