8 course recommendations on resource data types

What is a resource data type? Resource data type is introduced by PHP4. Resource is a special variable type, which preserves a reference to external resources: such as opening files, database connections, graphic canvas areas, etc. Resources are established and used through special functions. The use of resource variables in PHP is $ fp = fopen ("test.txt", "rw"); ​ var_dump ($ fp); ​ fclose ($ fp); Print results: Resource (5) of Type (Stream) Number 5: It means that the resource ID is 5, and the specific meaning is introduced later. Stream: Resource type name. In the resource ID kernel, the registered resource variables are stored in a Hashtable and the key in the Hashtable where the resource is located is used as the resource ID. Therefore, in fact, the resource variable in PHP actually stores a whole

## 1. PHP: Resource (Resource) Data Type Examples detailed explanation

This profile: The type of resource data is introduced by php4. Resource is a special variable type that holds a reference to an external resource: such as an open file, database connection, graphics canvas area, etc. Resources are created and used through specialized functions.

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[Translation][php extension development and embedded] Chapter 9 - Resource Data Type

Introduction: So far, you have been working with very basic user space data types, strings, numeric values, TRUE/FALSE and other values. Even if you learned in the previous chapter I have started to come into contact with arrays, but I have only collected arrays of these basic data types.

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php extension and embedding--resource data type 2_PHP tutorial

Introduction: PHP extension and embedding--resource data type 2. Complex data types stored in resource variables often require some memory allocation, CPU time, or network communication during initialization. But retain resources similar to database connections between requests

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php extension and embedded resource data type 2

Introduction: PHP extension and embedding--resource data type 2. Complex data types stored in resource variables often require some memory allocation, CPU time, or network communication during initialization. But retain resources similar to database connections between requests

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php extension and embedding - resource data type 2

Introduction: Complex data types stored in resource variables often require some memory allocation, CPU time, or network communication during initialization. But retaining resources like database connections between requests must be durable. Durability of resources is a factor that must be considered. First look at ##6.

[Translation][php extension and embedded] Chapter 8 - Resource Data Type

Introduction: [Translation] [php extensions and embedded] Chapter 8 - Resource Data Types Download address of pdf document of all translation contents: http://download.csdn.net/detail/lgg201/5107012 This book is currently translated on github by laruence (http://www.laruence.com) and walu (http://www.walu.cc). 7.

php expansion and embedding-resource data type 2

Introduction: php expansion and embedding--resource data type 2 is stored in resource variables. Data types usually require some memory allocation, CPU time, or network communication during initialization. But retaining resources like database connections between requests must be durable. The durability of resources is a factor that must be considered. First look at the issue of memory allocation: When using PHP, I prefer to use emal##8.

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Introduction: [Translation] [php extension and embedded] Chapter 8 - Resource data types All translation content pdf document download address: http://download.csdn.net/detail/lgg201/5107012 book It is currently translated on github by laruence (http://www.laruence.com) and walu (http://www.walu.cc). The translation project is

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