(PECL apc >= 3.0.0)
apc_delete — Removes a stored variable from the cache
mixed apc_delete ( string $key )
Removes a stored variable from the cache.
key
The key
used to store the value (with apc_store()).
Returns TRUE
on success or FALSE
on failure.
Example #1 A apc_delete() example
<?php $bar = 'BAR'; apc_store('foo', $bar); apc_delete('foo'); // this is obviously useless in this form ?>
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https://secure.php.net/manual/en/function.apc-delete.php