php property exists

1.php determine whether a system function or a function written by itself existsBOOL Function_exists (string $function _name) determines whether a function has been defined, for example:if (function_exists(' Curl_init ')) { curl_init ();} Else {

Describes the property injection and method injection of component behavior in the Yii Framework of PHP, and the yii Framework. Describes the property injection and method injection of component behavior in the Yii Framework of PHP, yii Framework

The following describes the properties and yiiproperty in the Yii Framework of PHP. In the Yii Framework of PHP, properties and yiiproperty are also called properties in PHP ). They are part of the class definition and are used to demonstrate the

This article mainly introduces the attribute injection and method injection of component behavior in the PHP Yii Framework, including the description of dependency injection. For more information, see Behavior attributes and method injection

About PHP, we have a lot of misunderstanding, but in fact, modern PHP is a door regardless of development efficiency or execution efficiency is quite high programming language. On the various aspects of modern PHP features, you can refer to the

About PHP, we have a lot of misunderstanding, but in fact, modern PHP is a no matter the development efficiency or execution efficiency are quite high programming language. About the various aspects of modern PHP features, you can refer to the

Configure the ISAPI mode of PHP under Windows Server 2003 IIS6 by adding a new Web service extension in IIS's Web service extensions, with the program suffix PHP,ISAPI program as Php5isapi.dll. And then my Computer.-> Properties-> Advanced->

PHP Security Configuration One, Web server security PHP is really just a module function of Web server, so the security of Web server should be ensured first. Of course, the Web server to be secure and must be first to ensure that the system

1. What is the difference between double quotation marks and single quotation marks? Double quote explanatory variable, single quote not explanatory variable; Enclose single quotation marks in double quotes, in which the variable is

Php targets the call of static attributes and static methods. Php object-oriented call of static attributes and static methods this article mainly introduces the call of static attributes and static methods in php object-oriented, the instance