Introduction to PHP session processing related functions [Part 2]

PHPProcessing session functions 6, session_encode

Function functions: sesssionInformation encoding

Function prototype: string session_encode(void);

Return value: string

Function description: The returned string contains the name and value of each variable in the global variable, in the form: a|s a is a variable The name s: 12 represents the value of the variable a"it is a testThe length is 12 Use semicolons between variables ” "" Function: sesssion Information decodingFunction prototype: boolean session_decode (string data)Return value: Boolean value

Function description: This function can

session

Information decoding, if successful, the logical value true is returned.

PHPProcessing session function8,

session_name Function: access the current session name

Function prototype:

boolean session_name(string [name]);Return value: string

Function description: This function can get or reset the name of the current session. If there is no parameter name, it means to get the name of the current session, and adding the parameter means setting the sessionname as the parameter name .

PHPProcessing session functions9、session_id

Function function: access the current session Identification number

function prototype : boolean session_id(string [id]);

Return value: string

Function description: This function can get or reset the identity of the currently stored session Number. If there is no parameter id, it means that only the identification number of the current session is obtained. Adding the parameter means that the identification number of session is set to the newly specified id.

PHPHandling session functions 10, session_unset

Function function: Delete all Registered variables.

Function prototype: void session_unset (void)

Return value: Boolean value

Function description: This function is the same as Session_dest roy is different, it doesn’t End session. Just like using the function session_unregister to unregister all session variables one by one.

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