常用的php物件類型判斷_PHP教程

php常用的數值判斷函數


//判斷數組
$colors = array("red", "blue", "green");
if(is_array($colors))
{
print("colors is an array"."
");
}
//雙精確度數判斷
$Temperature = 15.23;
if(is_double($Temperature))
{
print("Temperature is a double"."
");
}
//整數判斷
$PageCount = 2234;
if(is_integer($PageCount))
{
print("$PageCount is an integer"."
");
}
//對象判斷
class widget
{
var $name;
var $length;
}
$thing = new widget;
if(is_object($thing))
{
print("thing is an object"."
");
}
//字元判斷
$Greeting = "Hello";
if(is_string($Greeting))
{
print("Greeting is a string"."
");
}
?>

http://www.bkjia.com/PHPjc/319464.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/319464.htmlTechArticleHTML HEAD TITLEphp常用的數值判斷函數/TITLE /HEAD BODY ? //判斷數組 $colors = array("red", "blue", "green"); if(is_array($colors)) { print("colors is an array"."br"); }...

