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//ʹÓÃfunction¹Ø¼ü×Ö¶¨Òå·½·¨
function num($value,$value2 = 'ÄúºÃ£¡'){
echo $value.$value2;
}
//µÚÒ»´Îµ÷ÓÃ
num("ÕÅÈý");
//µÚ¶þ´Îµ÷ÓÃ
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//µ«Ôڴ˵÷ÓÃʱ£¬¸øÁËÕûÐΣ¬Ò²ÊÇ¿ÉÒԵġ£
num("ÕÅÈý",1);
num("ÕÅÈý","is very butyful");
//µÚÈý´Îµ÷ÓÃ
//ÔÚÕâ´Îµ÷ÓÃÖеڶþ¸ö²ÎÊý´«ÁËÒ»¸öÊý×éÆäÖÐÒ»¸öÔªËØµÄÖµ
$arrTest = array(1,2,3,4);
num("ÕÅÈý","$arrTest[2]");
?>
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