164 lines
2.6 KiB
PHP
164 lines
2.6 KiB
PHP
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<?php
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namespace alveolata\cache;
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// require_once(DIR_ALVEOLATA . '/definitions.php');
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/**
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*/
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class _state_apc {
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/**
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* @var array {list<string>}
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*/
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public static $sections = [];
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}
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/**
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* @author Christian Fraß <frass@greenscale.de>
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*/
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class struct_subject_apc {
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/**
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* @var string
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* @author Christian Fraß <frass@greenscale.de>
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*/
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public $section;
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/**
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* @var list<string>
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* @author Christian Fraß <frass@greenscale.de>
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*/
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public $ids;
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/**
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* @param string $section
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* @author Christian Fraß <frass@greenscale.de>
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*/
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public function __construct(
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string $section
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)
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{
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$this->section = $section;
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$this->ids = [];
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}
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}
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/**
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* @param struct_subject_apc $subject
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* @param string id
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* @return string
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* @author Christian Fraß <frass@greenscale.de>
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*/
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function _apc_id(
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struct_subject_apc $subject,
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string $id
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) : string
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{
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return (
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($subject->section === UNSET_STRING)
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? $id
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: sprintf('%s_%s', $subject->section, $id)
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);
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}
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/**
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* @param string $section
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* @return struct_subject_apc
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* @author Christian Fraß <frass@greenscale.de>
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*/
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function apc_make(
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string $section = UNSET_STRING
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) : struct_subject_apc
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{
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if ($section === UNSET_STRING) {
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$section = sprintf('alveolata_%d', count(_state_apc::$sections));
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}
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if (in_array($section, _state_apc::$sections)) {
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throw (new \Exception(sprintf('APC section "%s" already in use', $section)));
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}
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else {
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array_push(_state_apc::$sections, $section);
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$subject = (new struct_subject_apc($section));
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return $subject;
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}
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}
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/**
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* @param struct_subject_apc $subject
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* @param string $id
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* @param mixed $value
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* @author Christian Fraß <frass@greenscale.de>
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*/
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function apc_set(
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struct_subject_apc $subject,
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string $id,
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$value
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) : void
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{
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$id_ = _apc_id($subject, $id);
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array_push($subject->ids, $id_);
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\apc_store($id_, $value);
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}
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/**
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* @param struct_subject_apc $subject
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* @param string $id
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* @return bool
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* @author Christian Fraß <frass@greenscale.de>
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*/
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function apc_has(
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struct_subject_apc $subject,
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string $id
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) : bool
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{
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return \apc_exists(_apc_id($subject, $id));
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}
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/**
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* @param struct_subject_apc $subject
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* @param string $id
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* @return mixed
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* @author Christian Fraß <frass@greenscale.de>
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*/
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function apc_fetch(
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struct_subject_apc $subject,
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string $id
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)
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{
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return \apc_fetch(_apc_id($subject, $id));
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}
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/**
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* @param struct_subject_apc $subject
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* @author Christian Fraß <frass@greenscale.de>
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*/
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function apc_clear(
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struct_subject_apc $subject
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) : void
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{
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if ($subject->section === UNSET_STRING) {
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\apc_clear_cache();
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}
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else {
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foreach ($subject->ids as $id_) {
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\apc_delete($id_);
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}
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$subject->ids = [];
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}
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}
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?>
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