wincache_ucache_exists(3) [php man page]

WINCACHE_UCACHE_EXISTS(3)						 1						 WINCACHE_UCACHE_EXISTS(3)

wincache_ucache_exists - Checks if a variable exists in the user cache

SYNOPSIS

       bool wincache_ucache_exists (string  $key)

DESCRIPTION

	Checks if a variable with the $key exists in the user cache or not.

PARAMETERS

	      o $key
		- The $key that was used to store the variable in the cache. $key is case sensitive.

RETURN VALUES

	Returns TRUE if variable with the $key exitsts, otherwise returns FALSE.

EXAMPLES

       Example #1

	      Using wincache_ucache_exists(3)

	      <?php
	      if (!wincache_ucache_exists('green'))
		  wincache_ucache_set('green', 1);
	      var_dump(wincache_ucache_exists('green'));
	      ?>

	      The above example will output:

	      bool(true)

SEE ALSO

       wincache_ucache_set(3),	 wincache_ucache_add(3),   wincache_ucache_get(3),   wincache_ucache_clear(3),	 wincache_ucache_delete(3),   win-
       cache_ucache_meminfo(3), wincache_ucache_info(3).

PHP Documentation Group 												 WINCACHE_UCACHE_EXISTS(3)

WINCACHE_UCACHE_DELETE(3)						 1						 WINCACHE_UCACHE_DELETE(3)

wincache_ucache_delete - Deletes variables from the user cache

SYNOPSIS

       bool wincache_ucache_delete (mixed  $key)

DESCRIPTION

	Deletes the elements in the user cache pointed by $key.

PARAMETERS

	      o $key
		- The $key that was used to store the variable in the cache. $key is case sensitive. $key can be an array of keys.

RETURN VALUES

	Returns TRUE on success or FALSE on failure.

	If  $key  is  an  array  then the function returns FALSE if every element of the array fails to get deleted from the user cache, otherwise
       returns an array which consists of all the keys that are deleted.

EXAMPLES

       Example #1

	      Using wincache_ucache_delete(3) with $key as a string

	      <?php
	      wincache_ucache_set('foo', 'bar');
	      var_dump(wincache_ucache_delete('foo'));
	      var_dump(wincache_ucache_exists('foo'));
	      ?>

	      The above example will output:

	      bool(true)
	      bool(false)

       Example #2

	      Usingwincache_ucache_delete(3) with $key as an array

	      <?php
	      $array1 = array('green' => '5', 'blue' => '6', 'yellow' => '7', 'cyan' => '8');
	      wincache_ucache_set($array1);
	      $array2 = array('green', 'blue', 'yellow', 'cyan');
	      var_dump(wincache_ucache_delete($array2));
	      ?>

	      The above example will output:

	      array(4) { [0]=> string(5) "green"
			 [1]=> string(4) "Blue"
			 [2]=> string(6) "yellow"
			 [3]=> string(4) "cyan" }

       Example #3

	      Using wincache_ucache_delete(3) with $key as an array where some elements cannot be deleted

	      <?php
	      $array1 = array('green' => '5', 'blue' => '6', 'yellow' => '7', 'cyan' => '8');
	      wincache_ucache_set($array1);
	      $array2 = array('orange', 'red', 'yellow', 'cyan');
	      var_dump(wincache_ucache_delete($array2));
	      ?>

	      The above example will output:

	      array(2) { [0]=> string(6) "yellow"
			 [1]=> string(4) "cyan" }

SEE ALSO

       wincache_ucache_set(3),	 wincache_ucache_add(3),   wincache_ucache_get(3),   wincache_ucache_clear(3),	 wincache_ucache_exists(3),   win-
       cache_ucache_meminfo(3), wincache_ucache_info(3).

PHP Documentation Group 												 WINCACHE_UCACHE_DELETE(3)