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    PHP Static Variables

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    Static Variable

    When a function is completed, all of its variables are normally deleted. 
    <?php        
function Test()        
{        
$x=0;        
echo $x;        
$x++;        
}            
Test();        
Test();        
Test();    
?>
     Output 0 0 0
    However, sometimes you want a local variable to not be deleted then use static keyword. 
    <?php        
function Test()        
{        
static $x=0;        
echo $x;        
$x++;        
}            
Test();        
Test();        
Test();    
?>
     Output 0 1 2
    « Previous Next »

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