Php variable type introduction: This is a php variable type details page, describes and php, related knowledge, skills, experience, and some php source code.
Class = 'pingjiaf' frameborder = '0' src = 'http: // biancheng.dnbc?info/pingjia.php? Id = 326446 'Rolling = 'no'> PHP supports the following variable types:
Integer: integer
Double: double precision
String: string
Array: queue array
Object: object
Registrant Doc (only if enabled PDF support): PDF text (effective only after the start of PDF support)
Pdfinfo (only if enabled PDF support): PDF information (effective only after the start of PDF support)
The types of these variables are usually not set by the programmer; specifically, PHP sets the type to be used at runtime based on context.
If you prefer to forcibly convert a variable to a specified type, you can also perform the "cast" operation on the variable or use the function "settype ()".
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