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$data = array('a' => 'data1', 'b' => 'data2', 'c' => 'data3');
while(list($subscript, $value) = each($data))
{
echo "$subscript => $value :: ";
echo "$subscript => $value <br>";
}
reset($data);
foreach($data as $subscript => $value)
{
echo "$subscript => $value :: ";
echo "$subscript => $value <br>";
}
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//±äÁ¿µÄ±äÁ¿
$var = "this is a var";
$varname = "var";
echo $$varname;
//º¯ÊýµÄ±äÁ¿
function fun1($str) {
echo $str;
}
$funname = "fun1";
$funname("This is a function !");
?>
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<?php
function($a) {
$a ++;
}
$c = 0;
function($c);
echo $c; //$cÈÔΪ0
function(&$a) {
$a ++;
}
$c = 0;
echo $c; //$cΪ1
?>
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}
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