php man page for wincache_ucache_cas

WINCACHE_UCACHE_CAS(3)							 1						    WINCACHE_UCACHE_CAS(3)

wincache_ucache_cas - Compares the variable with old value and assigns new value to it

SYNOPSIS
       bool wincache_ucache_cas (string  $key, int  $old_value, int  $new_value)

DESCRIPTION
	Compares the variable associated with the $key with $old_value and if it matches then assigns the $new_value to it.

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

	      o $old_value
		-  Old	value  of the variable pointed by $key in the user cache. The value should be of type long, otherwise the function returns
		FALSE.

	      o $new_value
		- New value which will get assigned to variable pointer by $key if a match is found. The value should be of type  long,  otherwise
		the function returns FALSE.

RETURN VALUES
	Returns TRUE on success or FALSE on failure.

EXAMPLES
       Example #1

	      Using wincache_ucache_cas(3)

	      <?php
	      wincache_ucache_set('counter', 2922);
	      var_dump(wincache_ucache_cas('counter', 2922, 1));
	      var_dump(wincache_ucache_get('counter'));
	      ?>

	      The above example will output:

	      bool(true)
	      int(1)

SEE ALSO
       wincache_ucache_inc(3), wincache_ucache_dec(3).

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