TransientCacheStorage::deleteTransientKeys() - Code Metrics - Inspection of "Daily Inspection: fix bloopers exposed by unit tes..." - eventespresso/event-espresso-core - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Branch — BUG/11167/fix-runaway-ee-trans... (3205ed)

unknown

created 2017-11-15 21:54 UTC

TransientCacheStorage::deleteTransientKeys() B

↳ Parent: TransientCacheStorage

Complexity

Conditions	6
Paths	3

Size

Total Lines	23
Code Lines	17

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	6
eloc	17
nc	3
nop	2
dl	0
loc	23
rs	8.5906
c	0
b	0
f	0

<?php
namespace EventEspresso\core\services\cache;

defined('EVENT_ESPRESSO_VERSION') || exit;



/**
 * Class TransientCacheStorage
 * Manages the creation and cleanup of transients
 * by tracking transient keys and their corresponding expiration.
 * The transient cleanup schedule is filterable
 * to control how often cleanup occurs
 *
 * @package       Event Espresso
 * @author        Brent Christensen
 * @since         4.9.31
 */
class TransientCacheStorage implements CacheStorageInterface
{

    /**
     * wp-option option_name for tracking transients
     *
     * @type string
     */
    const TRANSIENT_SCHEDULE_OPTIONS_KEY = 'ee_transient_schedule';

    /**
     * @var int $current_time
     */
    private $current_time;

    /**
     * how often to perform transient cleanup
     *
     * @var string $transient_cleanup_frequency
     */
    private $transient_cleanup_frequency;

    /**
     * options for how often to perform transient cleanup
     *
     * @var array $transient_cleanup_frequency_options
     */
    private $transient_cleanup_frequency_options = array();

    /**
     * @var array $transients
     */
    private $transients;



    /**
     * TransientCacheStorage constructor.
     */
    public function __construct()
    {
        $this->transient_cleanup_frequency = $this->setTransientCleanupFrequency();
        // round current time down to closest 5 minutes to simplify scheduling
        $this->current_time = $this->roundTimestamp(time(), '5-minutes', false);
        $this->transients = (array)get_option(TransientCacheStorage::TRANSIENT_SCHEDULE_OPTIONS_KEY, array());
        if ( ! (defined('DOING_AJAX') && DOING_AJAX) && $this->transient_cleanup_frequency !== 'off') {
            add_action('shutdown', array($this, 'checkTransientCleanupSchedule'), 999);
        }
    }



    /**
     * Sets how often transient cleanup occurs
     *
     * @return string
     */
    private function setTransientCleanupFrequency()
    {
        // sets how often transients are cleaned up
        $this->transient_cleanup_frequency_options = apply_filters(
            'FHEE__TransientCacheStorage__transient_cleanup_schedule_options',
            array(
                'off',
                '15-minutes',
                'hour',
                '12-hours',
                'day',
            )
        );
        $transient_cleanup_frequency = apply_filters(
            'FHEE__TransientCacheStorage__transient_cleanup_schedule',
            'hour'
        );
        return in_array(
            $transient_cleanup_frequency,
            $this->transient_cleanup_frequency_options,
            true
        )
            ? $transient_cleanup_frequency
            : 'hour';
    }



    /**
     * we need to be able to round timestamps off to match the set transient cleanup frequency
     * so if a transient is set to expire at 1:17 pm for example, and our cleanup schedule is every hour,
     * then that timestamp needs to be rounded up to 2:00 pm so that it is removed
     * during the next scheduled cleanup after its expiration.
     * We also round off the current time timestamp to the closest 5 minutes
     * just to make the timestamps a little easier to round which helps with debugging.
     *
     * @param int    $timestamp [required]
     * @param string $cleanup_frequency
     * @param bool   $round_up
     * @return int
     */
    private function roundTimestamp($timestamp, $cleanup_frequency = 'hour', $round_up = true)
    {
        $cleanup_frequency = $cleanup_frequency ? $cleanup_frequency : $this->transient_cleanup_frequency;
        // in order to round the time to the closest xx minutes (or hours),
        // we take the minutes (or hours) portion of the timestamp and divide it by xx,
        // round down to a whole number, then multiply by xx to bring us almost back up to where we were
        // why round down ? so the minutes (or hours) don't go over 60 (or 24)
        // and bump the hour, which could bump the day, which could bump the month, etc,
        // which would be bad because we don't always want to round up,
        // but when we do we can easily achieve that by simply adding the desired offset,
        $minutes = '00';
        $hours = 'H';
        switch ($cleanup_frequency) {
            case '5-minutes' :
                $minutes = floor((int)date('i', $timestamp) / 5) * 5;
                $minutes = str_pad($minutes, 2, '0', STR_PAD_LEFT);
                $offset = MINUTE_IN_SECONDS * 5;
                break;
            case '15-minutes' :
                $minutes = floor((int)date('i', $timestamp) / 15) * 15;
                $minutes = str_pad($minutes, 2, '0', STR_PAD_LEFT);
                $offset = MINUTE_IN_SECONDS * 15;
                break;
            case '12-hours' :
                $hours = floor((int)date('H', $timestamp) / 12) * 12;
                $hours = str_pad($hours, 2, '0', STR_PAD_LEFT);
                $offset = HOUR_IN_SECONDS * 12;
                break;
            case 'day' :
                $hours = '03'; // run cleanup at 3:00 am (or first site hit after that)
                $offset = DAY_IN_SECONDS;
                break;
            case 'hour' :
            default :
                $offset = HOUR_IN_SECONDS;
                break;
        }
        $rounded_timestamp = (int) strtotime(date("Y-m-d {$hours}:{$minutes}:00", $timestamp));
        $rounded_timestamp += $round_up ? $offset : 0;
        return apply_filters(
            'FHEE__TransientCacheStorage__roundTimestamp__timestamp',
            $rounded_timestamp,
            $timestamp,
            $cleanup_frequency,
            $round_up
        );
    }



    /**
     * Saves supplied data to a transient
     * if an expiration is set, then it automatically schedules the transient for cleanup
     *
     * @param string $transient_key [required]
     * @param string $data          [required]
     * @param int    $expiration    number of seconds until the cache expires
     * @return bool
     */
    public function add($transient_key, $data, $expiration = 0)
    {
        $expiration = (int)abs($expiration);
        $saved = set_transient($transient_key, $data, $expiration);
        if ($saved && $expiration) {
            $this->scheduleTransientCleanup($transient_key, $expiration);
        }
        return $saved;
    }



    /**
     * retrieves transient data
     * automatically triggers early cache refresh for standard cache items
     * in order to avoid cache stampedes on busy sites.
     * For non-standard cache items like PHP Session data where early refreshing is not wanted,
     * the $standard_cache parameter should be set to false when retrieving data
     *
     * @param string $transient_key [required]
     * @param bool   $standard_cache
     * @return mixed|null
     */
    public function get($transient_key, $standard_cache = true)
    {
        if (isset($this->transients[ $transient_key ])) {
            // to avoid cache stampedes (AKA:dogpiles) for standard cache items,
            // check if known cache expires within the next minute,
            // and if so, remove it from our tracking and and return nothing.
            // this should trigger the cache content to be regenerated during this request,
            // while allowing any following requests to still access the existing cache
            // until it gets replaced with the refreshed content
            if (
                $standard_cache
                && $this->transients[$transient_key] - time() <= MINUTE_IN_SECONDS
            ) {
                unset($this->transients[$transient_key]);
                $this->updateTransients();
                return null;
            }

            // for non standard cache items, remove the key from our tracking,
            // but proceed to retrieve the transient so that it also gets removed from the db
            if ($this->transients[$transient_key] <= time()) {
                unset($this->transients[$transient_key]);
                $this->updateTransients();
            }
        }

        $content = get_transient($transient_key);
        return $content !== false ? $content : null;
    }



    /**
     * delete a single transient and remove tracking
     *
     * @param string $transient_key [required] full or partial transient key to be deleted
     */
    public function delete($transient_key)
    {
        $this->deleteMany(array($transient_key));
    }



    /**
     * delete multiple transients and remove tracking
     *
     * @param array $transient_keys [required] array of full or partial transient keys to be deleted
     * @param bool  $force_delete   [optional] if true, then will not check incoming keys against those being tracked
     *                              and proceed directly to deleting those entries from the cache storage
     */
    public function deleteMany(array $transient_keys, $force_delete = false)
    {
        $full_transient_keys = $force_delete ? $transient_keys : array();
        if(empty($full_transient_keys)){
            foreach ($this->transients as $transient_key => $expiration) {
                foreach ($transient_keys as $transient_key_to_delete) {
                    if (strpos($transient_key, $transient_key_to_delete) !== false) {
                        $full_transient_keys[] = $transient_key;
                    }
                }
            }
        }
        if ($this->deleteTransientKeys($full_transient_keys)) {
            $this->updateTransients();
        }
    }



    /**
     * sorts transients numerically by timestamp
     * then saves the transient schedule to a WP option
     */
    private function updateTransients()
    {
        asort($this->transients, SORT_NUMERIC);
        update_option(
            TransientCacheStorage::TRANSIENT_SCHEDULE_OPTIONS_KEY,
            $this->transients
        );
    }



    /**
     * schedules a transient for cleanup by adding it to the transient tracking
     *
     * @param string $transient_key [required]
     * @param int    $expiration    [required]
     */
    private function scheduleTransientCleanup($transient_key, $expiration)
    {
        // make sure a valid future timestamp is set
        $expiration += $expiration < time() ? time() : 0;
        // and round to the closest 15 minutes
        $expiration = $this->roundTimestamp($expiration);
        // save transients to clear using their ID as the key to avoid duplicates
        $this->transients[$transient_key] = $expiration;
        $this->updateTransients();
    }



    /**
     * Since our tracked transients are sorted by their timestamps
     * we can grab the first transient and see when it is scheduled for cleanup.
     * If that timestamp is less than or equal to the current time,
     * then cleanup is triggered
     */
    public function checkTransientCleanupSchedule()
    {
        if (empty($this->transients)) {
            return;
        }
        // when do we run the next cleanup job?
        reset($this->transients);
        $next_scheduled_cleanup = current($this->transients);
        // if the next cleanup job is scheduled for the current hour
        if ($next_scheduled_cleanup <= $this->current_time) {
            if ($this->cleanupExpiredTransients()) {
                $this->updateTransients();
            }
        }
    }



    /**
     * loops through the array of tracked transients,
     * compiles a list of those that have expired, and sends that list off for deletion.
     * Also removes any bad records from the transients array
     *
     * @return bool
     */
    private function cleanupExpiredTransients()
    {
        $update = false;
        // filter the query limit. Set to 0 to turn off garbage collection
        $limit = (int)abs(
            apply_filters(
                'FHEE__TransientCacheStorage__clearExpiredTransients__limit',
                50
            )
        );
        // non-zero LIMIT means take out the trash
        if ($limit) {
            $transient_keys = array();
            foreach ($this->transients as $transient_key => $expiration) {
                if ($expiration > $this->current_time) {
                    continue;
                }
                if ( ! $expiration || ! $transient_key) {
                    unset($this->transients[$transient_key]);
                    $update = true;
                    continue;
                }
                $transient_keys[] = $transient_key;
            }
            // delete expired keys, but maintain value of $update if nothing is deleted
            $update = $this->deleteTransientKeys($transient_keys, $limit) ? true : $update;
            do_action( 'FHEE__TransientCacheStorage__clearExpiredTransients__end', $this);
        }
        return $update;
    }



    /**
     * calls delete_transient() on each transient key provided, up to the specified limit
     *
     * @param array $transient_keys [required]
     * @param int   $limit
     * @return bool
     */
    private function deleteTransientKeys(array $transient_keys, $limit = 50)
    {
        if (empty($transient_keys)) {
            return false;
        }
        $counter = 0;
        foreach ($transient_keys as $transient_key) {
            if($counter === $limit){
                break;
            }
            // remove any transient prefixes
            $transient_key = strpos($transient_key,  '_transient_timeout_') === 0
                ? str_replace('_transient_timeout_', '', $transient_key)
                : $transient_key;
            $transient_key = strpos($transient_key,  '_transient_') === 0
                ? str_replace('_transient_', '', $transient_key)
                : $transient_key;
            delete_transient($transient_key);
            unset($this->transients[$transient_key]);
            $counter++;
        }
        return $counter > 0;
    }



}
// End of file TransientCacheStorage.php
// Location: EventEspresso\core\services\cache/TransientCacheStorage.php


1		<?php
2		namespace EventEspresso\core\services\cache;
3
4		defined('EVENT_ESPRESSO_VERSION') \|\| exit;
5
6
7
8		/**
9		* Class TransientCacheStorage
10		* Manages the creation and cleanup of transients
11		* by tracking transient keys and their corresponding expiration.
12		* The transient cleanup schedule is filterable
13		* to control how often cleanup occurs
14		*
15		* @package Event Espresso
16		* @author Brent Christensen
17		* @since 4.9.31
18		*/
19		class TransientCacheStorage implements CacheStorageInterface
20		{
21
22		/**
23		* wp-option option_name for tracking transients
24		*
25		* @type string
26		*/
27		const TRANSIENT_SCHEDULE_OPTIONS_KEY = 'ee_transient_schedule';
28
29		/**
30		* @var int $current_time
31		*/
32		private $current_time;
33
34		/**
35		* how often to perform transient cleanup
36		*
37		* @var string $transient_cleanup_frequency
38		*/
39		private $transient_cleanup_frequency;
40
41		/**
42		* options for how often to perform transient cleanup
43		*
44		* @var array $transient_cleanup_frequency_options
45		*/
46		private $transient_cleanup_frequency_options = array();
47
48		/**
49		* @var array $transients
50		*/
51		private $transients;
52
53
54
55		/**
56		* TransientCacheStorage constructor.
57		*/
58		public function __construct()
59		{
60		$this->transient_cleanup_frequency = $this->setTransientCleanupFrequency();
61		// round current time down to closest 5 minutes to simplify scheduling
62		$this->current_time = $this->roundTimestamp(time(), '5-minutes', false);
63		$this->transients = (array)get_option(TransientCacheStorage::TRANSIENT_SCHEDULE_OPTIONS_KEY, array());
64		if ( ! (defined('DOING_AJAX') && DOING_AJAX) && $this->transient_cleanup_frequency !== 'off') {
65		add_action('shutdown', array($this, 'checkTransientCleanupSchedule'), 999);
66		}
67		}
68
69
70
71		/**
72		* Sets how often transient cleanup occurs
73		*
74		* @return string
75		*/
76		private function setTransientCleanupFrequency()
77		{
78		// sets how often transients are cleaned up
79		$this->transient_cleanup_frequency_options = apply_filters(
80		'FHEE__TransientCacheStorage__transient_cleanup_schedule_options',
81		array(
82		'off',
83		'15-minutes',
84		'hour',
85		'12-hours',
86		'day',
87		)
88		);
89		$transient_cleanup_frequency = apply_filters(
90		'FHEE__TransientCacheStorage__transient_cleanup_schedule',
91		'hour'
92		);
93		return in_array(
94		$transient_cleanup_frequency,
95		$this->transient_cleanup_frequency_options,
96		true
97		)
98		? $transient_cleanup_frequency
99		: 'hour';
100		}
101
102
103
104		/**
105		* we need to be able to round timestamps off to match the set transient cleanup frequency
106		* so if a transient is set to expire at 1:17 pm for example, and our cleanup schedule is every hour,
107		* then that timestamp needs to be rounded up to 2:00 pm so that it is removed
108		* during the next scheduled cleanup after its expiration.
109		* We also round off the current time timestamp to the closest 5 minutes
110		* just to make the timestamps a little easier to round which helps with debugging.
111		*
112		* @param int $timestamp [required]
113		* @param string $cleanup_frequency
114		* @param bool $round_up
115		* @return int
116		*/
117		private function roundTimestamp($timestamp, $cleanup_frequency = 'hour', $round_up = true)
118		{
119		$cleanup_frequency = $cleanup_frequency ? $cleanup_frequency : $this->transient_cleanup_frequency;
120		// in order to round the time to the closest xx minutes (or hours),
121		// we take the minutes (or hours) portion of the timestamp and divide it by xx,
122		// round down to a whole number, then multiply by xx to bring us almost back up to where we were
123		// why round down ? so the minutes (or hours) don't go over 60 (or 24)
124		// and bump the hour, which could bump the day, which could bump the month, etc,
125		// which would be bad because we don't always want to round up,
126		// but when we do we can easily achieve that by simply adding the desired offset,
127		$minutes = '00';
128		$hours = 'H';
129		switch ($cleanup_frequency) {
130	View Code Duplication	case '5-minutes' :
131		$minutes = floor((int)date('i', $timestamp) / 5) * 5;
132		$minutes = str_pad($minutes, 2, '0', STR_PAD_LEFT);
133		$offset = MINUTE_IN_SECONDS * 5;
134		break;
135	View Code Duplication	case '15-minutes' :
136		$minutes = floor((int)date('i', $timestamp) / 15) * 15;
137		$minutes = str_pad($minutes, 2, '0', STR_PAD_LEFT);
138		$offset = MINUTE_IN_SECONDS * 15;
139		break;
140	View Code Duplication	case '12-hours' :
141		$hours = floor((int)date('H', $timestamp) / 12) * 12;
142		$hours = str_pad($hours, 2, '0', STR_PAD_LEFT);
143		$offset = HOUR_IN_SECONDS * 12;
144		break;
145		case 'day' :
146		$hours = '03'; // run cleanup at 3:00 am (or first site hit after that)
147		$offset = DAY_IN_SECONDS;
148		break;
149		case 'hour' :
150		default :
151		$offset = HOUR_IN_SECONDS;
152		break;
153		}
154		$rounded_timestamp = (int) strtotime(date("Y-m-d {$hours}:{$minutes}:00", $timestamp));
155		$rounded_timestamp += $round_up ? $offset : 0;
156		return apply_filters(
157		'FHEE__TransientCacheStorage__roundTimestamp__timestamp',
158		$rounded_timestamp,
159		$timestamp,
160		$cleanup_frequency,
161		$round_up
162		);
163		}
164
165
166
167		/**
168		* Saves supplied data to a transient
169		* if an expiration is set, then it automatically schedules the transient for cleanup
170		*
171		* @param string $transient_key [required]
172		* @param string $data [required]
173		* @param int $expiration number of seconds until the cache expires
174		* @return bool
175		*/
176		public function add($transient_key, $data, $expiration = 0)
177		{
178		$expiration = (int)abs($expiration);
179		$saved = set_transient($transient_key, $data, $expiration);
180		if ($saved && $expiration) {
181		$this->scheduleTransientCleanup($transient_key, $expiration);
182		}
183		return $saved;
184		}
185
186
187
188		/**
189		* retrieves transient data
190		* automatically triggers early cache refresh for standard cache items
191		* in order to avoid cache stampedes on busy sites.
192		* For non-standard cache items like PHP Session data where early refreshing is not wanted,
193		* the $standard_cache parameter should be set to false when retrieving data
194		*
195		* @param string $transient_key [required]
196		* @param bool $standard_cache
197		* @return mixed\|null
198		*/
199		public function get($transient_key, $standard_cache = true)
200		{
201		if (isset($this->transients[ $transient_key ])) {
202		// to avoid cache stampedes (AKA:dogpiles) for standard cache items,
203		// check if known cache expires within the next minute,
204		// and if so, remove it from our tracking and and return nothing.
205		// this should trigger the cache content to be regenerated during this request,
206		// while allowing any following requests to still access the existing cache
207		// until it gets replaced with the refreshed content
208		if (
209		$standard_cache
210		&& $this->transients[$transient_key] - time() <= MINUTE_IN_SECONDS
211		) {
212		unset($this->transients[$transient_key]);
213		$this->updateTransients();
214		return null;
215		}
216
217		// for non standard cache items, remove the key from our tracking,
218		// but proceed to retrieve the transient so that it also gets removed from the db
219		if ($this->transients[$transient_key] <= time()) {
220		unset($this->transients[$transient_key]);
221		$this->updateTransients();
222		}
223		}
224
225		$content = get_transient($transient_key);
226		return $content !== false ? $content : null;
227		}
228
229
230
231		/**
232		* delete a single transient and remove tracking
233		*
234		* @param string $transient_key [required] full or partial transient key to be deleted
235		*/
236		public function delete($transient_key)
237		{
238		$this->deleteMany(array($transient_key));
239		}
240
241
242
243		/**
244		* delete multiple transients and remove tracking
245		*
246		* @param array $transient_keys [required] array of full or partial transient keys to be deleted
247		* @param bool $force_delete [optional] if true, then will not check incoming keys against those being tracked
248		* and proceed directly to deleting those entries from the cache storage
249		*/
250		public function deleteMany(array $transient_keys, $force_delete = false)
251		{
252		$full_transient_keys = $force_delete ? $transient_keys : array();
253		if(empty($full_transient_keys)){
254		foreach ($this->transients as $transient_key => $expiration) {
255		foreach ($transient_keys as $transient_key_to_delete) {
256		if (strpos($transient_key, $transient_key_to_delete) !== false) {
257		$full_transient_keys[] = $transient_key;
258		}
259		}
260		}
261		}
262		if ($this->deleteTransientKeys($full_transient_keys)) {
263		$this->updateTransients();
264		}
265		}
266
267
268
269		/**
270		* sorts transients numerically by timestamp
271		* then saves the transient schedule to a WP option
272		*/
273		private function updateTransients()
274		{
275		asort($this->transients, SORT_NUMERIC);
276		update_option(
277		TransientCacheStorage::TRANSIENT_SCHEDULE_OPTIONS_KEY,
278		$this->transients
279		);
280		}
281
282
283
284		/**
285		* schedules a transient for cleanup by adding it to the transient tracking
286		*
287		* @param string $transient_key [required]
288		* @param int $expiration [required]
289		*/
290		private function scheduleTransientCleanup($transient_key, $expiration)
291		{
292		// make sure a valid future timestamp is set
293		$expiration += $expiration < time() ? time() : 0;
294		// and round to the closest 15 minutes
295		$expiration = $this->roundTimestamp($expiration);
296		// save transients to clear using their ID as the key to avoid duplicates
297		$this->transients[$transient_key] = $expiration;
298		$this->updateTransients();
299		}
300
301
302
303		/**
304		* Since our tracked transients are sorted by their timestamps
305		* we can grab the first transient and see when it is scheduled for cleanup.
306		* If that timestamp is less than or equal to the current time,
307		* then cleanup is triggered
308		*/
309		public function checkTransientCleanupSchedule()
310		{
311		if (empty($this->transients)) {
312		return;
313		}
314		// when do we run the next cleanup job?
315		reset($this->transients);
316		$next_scheduled_cleanup = current($this->transients);
317		// if the next cleanup job is scheduled for the current hour
318		if ($next_scheduled_cleanup <= $this->current_time) {
319		if ($this->cleanupExpiredTransients()) {
320		$this->updateTransients();
321		}
322		}
323		}
324
325
326
327		/**
328		* loops through the array of tracked transients,
329		* compiles a list of those that have expired, and sends that list off for deletion.
330		* Also removes any bad records from the transients array
331		*
332		* @return bool
333		*/
334		private function cleanupExpiredTransients()
335		{
336		$update = false;
337		// filter the query limit. Set to 0 to turn off garbage collection
338		$limit = (int)abs(
339		apply_filters(
340		'FHEE__TransientCacheStorage__clearExpiredTransients__limit',
341		50
342		)
343		);
344		// non-zero LIMIT means take out the trash
345		if ($limit) {
346		$transient_keys = array();
347		foreach ($this->transients as $transient_key => $expiration) {
348		if ($expiration > $this->current_time) {
349		continue;
350		}
351		if ( ! $expiration \|\| ! $transient_key) {
352		unset($this->transients[$transient_key]);
353		$update = true;
354		continue;
355		}
356		$transient_keys[] = $transient_key;
357		}
358		// delete expired keys, but maintain value of $update if nothing is deleted
359		$update = $this->deleteTransientKeys($transient_keys, $limit) ? true : $update;
360		do_action( 'FHEE__TransientCacheStorage__clearExpiredTransients__end', $this);
361		}
362		return $update;
363		}
364
365
366
367		/**
368		* calls delete_transient() on each transient key provided, up to the specified limit
369		*
370		* @param array $transient_keys [required]
371		* @param int $limit
372		* @return bool
373		*/
374		private function deleteTransientKeys(array $transient_keys, $limit = 50)
375		{
376		if (empty($transient_keys)) {
377		return false;
378		}
379		$counter = 0;
380		foreach ($transient_keys as $transient_key) {
381		if($counter === $limit){
382		break;
383		}
384		// remove any transient prefixes
385		$transient_key = strpos($transient_key, '_transient_timeout_') === 0
386		? str_replace('_transient_timeout_', '', $transient_key)
387		: $transient_key;
388		$transient_key = strpos($transient_key, '_transient_') === 0
389		? str_replace('_transient_', '', $transient_key)
390		: $transient_key;
391		delete_transient($transient_key);
392		unset($this->transients[$transient_key]);
393		$counter++;
394		}
395		return $counter > 0;
396		}
397
398
399
400		}
401		// End of file TransientCacheStorage.php
402		// Location: EventEspresso\core\services\cache/TransientCacheStorage.php
403

eventespresso / event-espresso-core

Branch — BUG/11167/fix-runaway-ee-trans... (3205ed)

TransientCacheStorage::deleteTransientKeys() B

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