Cache a variable in the data store

说明

bool apc_store ( string $key , mixed $var [, int $ttl = 0 ] )

array apc_store ( array $values [, mixed $unused [, int $ttl = 0 ]] )

Cache a variable in the data store.

Note: Unlike many other mechanisms in PHP, variables stored using apc_store() will persist between requests (until the value is removed from the cache).

参数

key: Store the variable using this name. keys are cache-unique, so storing a second value with the same key will overwrite the original value.
var: The variable to store
ttl: Time To Live; store var in the cache for ttl seconds. After the ttl has passed, the stored variable will be expunged from the cache (on the next request). If no ttl is supplied (or if the ttl is 0), the value will persist until it is removed from the cache manually, or otherwise fails to exist in the cache (clear, restart, etc.).
values: Names in key, variables in value.

返回值

成功时返回 TRUE，或者在失败时返回 FALSE. Second syntax returns array with error keys.

范例

Example #1 A apc_store() example


<?php
$bar = 'BAR';
apc_store('foo', $bar);
var_dump(apc_fetch('foo'));
?>

以上例程会输出：

string(3) "BAR"

参见

apc_add() - Cache a variable in the data store
apc_fetch() - Fetch a stored variable from the cache
apc_delete() - Removes a stored variable from the cache