Commonly used PHP object type judgment_PHP tutorial

//Judge array
$colors = array("red", "blue", "green");
if(is_array($colors))
{
print ("colors is an array"."
");
}
//Double precision number judgment
$Temperature = 15.23;
if(is_double($Temperature))
{
print("Temperature is a double"."
");
}
//Integer judgment
$PageCount = 2234;
if(is_integer($PageCount ))
{
print("$PageCount is an integer"."
");
}
//Object judgment
class widget
{
var $name;
var $length;
}
$thing = new widget;
if(is_object($thing))
{
print("thing is an object" ."
");
}
//Character judgment
$Greeting = "Hello";
if(is_string($Greeting))
{
print( "Greeting is a string"."
");
}
?>

http://www.bkjia.com/PHPjc/319464.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/319464.htmlTechArticleHTML HEAD TITLEphp commonly used numerical judgment function/TITLE /HEAD BODY ? //Judge array $colors = array(" red", "blue", "green"); if(is_array($colors)) { print("colors is an array"."br"); }...