wincache_ucache_exists
  
   Checks if a variable exists in the user cache
  
  
 
  Description
  
   bool wincache_ucache_exists
    ( string $key
   )
  
  
 
  Parameters
  
   
    - 
     key
- 
      
       The keythat was used to store the variable in the cache.keyis case sensitive.
 
 
 
  Return Values
  
   Returns TRUE if variable with the key exitsts, 
   otherwise returns FALSE.
  
  
 
  Examples
  
   
    Example #1 Using wincache_ucache_exists
    
<?php
if (!wincache_ucache_exists('green'))
    wincache_ucache_set('green', 1);
var_dump(wincache_ucache_exists('green'));
?>
     
    The above example will output:
 
  
  
 
  See Also
  
   
    - wincache_ucache_set
- wincache_ucache_add
- wincache_ucache_get
- wincache_ucache_clear
- wincache_ucache_delete
- wincache_ucache_meminfo
- wincache_ucache_info