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wincache_ucache_clear

(PECL wincache >= 1.1.0)

wincache_ucache_clear Deletes entire content of the user cache

说明

bool wincache_ucache_clear ( void )

Clears/deletes all the values stored in the user cache.

返回值

成功时返回 TRUE , 或者在失败时返回 FALSE

范例

Example #1 using wincache_ucache_clear()

<?php
wincache_ucache_set
( 'green' 1 );
wincache_ucache_set ( 'red' 2 );
wincache_ucache_set ( 'orange' 4 );
wincache_ucache_set ( 'blue' 8 );
wincache_ucache_set ( 'cyan' 16 );
$array1  = array( 'green' 'red' 'orange' 'blue' 'cyan' );
var_dump ( wincache_ucache_get ( $array1 ));
var_dump ( wincache_ucache_clear ());
var_dump ( wincache_ucache_get ( $array1 ));
?>

以上例程会输出:

array(5) { ["green"]=> int(1) 
           ["red"]=> int(2) 
           ["orange"]=> int(4) 
           ["blue"]=> int(8) 
           ["cyan"]=> int(16) } 
bool(true) 
bool(false) 

参见

  • wincache_ucache_set() - Adds a variable in user cache and overwrites a variable if it already exists in the cache
  • wincache_ucache_add() - Adds a variable in user cache only if variable does not already exist in the cache
  • wincache_ucache_delete() - Deletes variables from the user cache
  • wincache_ucache_get() - Gets a variable stored in the user cache
  • wincache_ucache_exists() - Checks if a variable exists in the user cache
  • wincache_ucache_meminfo() - Retrieves information about user cache memory usage
  • wincache_ucache_info() - Retrieves information about data stored in the user cache
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