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Static variable index of PHP class, php static variable index_PHP tutorial
- WBOYOriginal
- 2016-07-13 10:13:02758browse
Static variable index of PHP class, php static variable index
Directly enter the code
<?php
class example{
public static $pa;
public $pb;
public function __construct(){
$this->pb = ++self::$pa;
}
}
$a = new example;
$b = new example;
echo $a->pb;
echo '<hr/>';
echo $b->pb;
?>
Originally I thought the result should be
<span>1</span> ----------------------------------------------------- <span>1</span>
But I was wrong, The correct result is
<span>1</span> ---------------------------------------------------------------------------------- <span>2</span>
If you haven’t learned the basics well, make up for it as soon as possible
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