提高系统性能用eAccelerator优化PHP

array eaccelerator_cached_scripts ()
void eaccelerator_cache_output (string $key, string $eval_code, [int $ttl = 0])
void eaccelerator_cache_page (string $key, [int $ttl = 0])
void eaccelerator_cache_result (string $key, string $code, [int $ttl = 0])
void eaccelerator_caching (boolean $flag)
void eaccelerator_clean ()
void eaccelerator_clear ()
array eaccelerator_dasm_file (mixed $filename)
mixed eaccelerator_encode (mixed $src, [mixed $prefix = ''''], [string $pre_content = ''''], [string $post_content = ''''])
void eaccelerator_gc ()
mixed eaccelerator_get (string $key)
array eaccelerator_info ()
array eaccelerator_list_keys ()
void eaccelerator_load ()
boolean eaccelerator_lock (string $key)
void eaccelerator_optimizer (boolean $flag)
void eaccelerator_purge ()
boolean eaccelerator_put (string $key, mixed $value, [int $ttl = 0])
array eaccelerator_removed_scripts ()
boolean eaccelerator_rm (string $key)
void eaccelerator_rm_page (string $key)
boolean eaccelerator_set_session_handlers ()
boolean eaccelerator_unlock (string $key)