0408 Learning-Self-increment rhts 040 Tomn 040 Mide 04

Increment operator and decrement operator
$a = 10;
$a + +;
echo $a;

The above $a is the output item so it is assigned first and then the operation

$a value is 11

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echo "";
$e = 10;
-$e;
Echo $e;

The above $e is the output item so the operation is then assigned

$e value is 9

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echo "";
$b = 10;
$x = $b + + + + $b;
echo $b. " ";
echo $x;
Above ($b + 1) plus (+1 of $b)
+ + $b First operation and then use

At this point the value of the first $b is 10;

The corresponding second value is 12

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echo "";
$c = 10;
$z = $c + + + $c + +;
echo $c. " ";
Echo $z;

The above $c + + first use the re-operation

At this point the value of the first $c is 10;

The second value is 12

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The above describes the 0408 learning-self-reduction, including 040,408 aspects of the content, I hope to be interested in PHP tutorial friends helpful.

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