Home > Article > Backend Development > Several common number judgment function codes in PHP_PHP tutorial
Several common number judgment function codes in PHP_PHP tutorial
- WBOYOriginal
- 2016-07-21 15:19:12990browse
Copy code The code is as follows:
//Judgment 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"."
");
}
?>
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：Code summary for php recursively creating and deleting folders_PHP tutorialNext article：Code summary for php recursively creating and deleting folders_PHP tutorial