Symfony Profiler

Query Metrics

109 Database Queries

22 Different statements

32.01 ms Query time

0 Invalid entities

Grouped Statements

Time▼	Count	Info
7.73 ms (24.16%)	30	SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > ? THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN (?) Parameters: [`1734966909 "site_domain_5061e09f81735ede2c26d4894faa91ad"`] View formatted query View runnable query Explain query SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > ? THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN (?) SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > 1734966909 THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN ('site_domain_5061e09f81735ede2c26d4894faa91ad');
6.74 ms (21.07%)	24	SELECT id,language FROM documents_translations WHERE sourceId = ? UNION SELECT sourceId as id,"source" FROM documents_translations WHERE id = ? Parameters: [`2408 2408`] View formatted query View runnable query Explain query SELECT id, language FROM documents_translations WHERE sourceId = ? UNION SELECT sourceId as id, "source" FROM documents_translations WHERE id = ? SELECT id,language FROM documents_translations WHERE sourceId = 2408 UNION SELECT sourceId as id,"source" FROM documents_translations WHERE id = 2408;
4.49 ms (14.04%)	11	SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > ? THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?) Parameters: [1734966909 "document_2246\x01tags\x01" "asset_9755\x01tags\x01" "asset_9711\x01tags\x01" "asset_10876\x01tags\x01" "asset_9698\x01tags\x01" "asset_9763\x01tags\x01" "asset_9709\x01tags\x01" "asset_9700\x01tags\x01" "asset_9692\x01tags\x01" "asset_9715\x01tags\x01" "asset_9695\x01tags\x01" "asset_9694\x01tags\x01" "asset_10102\x01tags\x01" "asset_10877\x01tags\x01" "asset_10878\x01tags\x01" "asset_9705\x01tags\x01" "asset_9701\x01tags\x01" "asset_9738\x01tags\x01" "asset_10023\x01tags\x01" "asset_9710\x01tags\x01" "asset_9772\x01tags\x01" "asset_9685\x01tags\x01" "asset_9745\x01tags\x01" "asset_9707\x01tags\x01" "asset_9693\x01tags\x01" "asset_9966\x01tags\x01" "document_2188\x01tags\x01" "asset_10017\x01tags\x01" "asset_10189\x01tags\x01" "asset_10188\x01tags\x01" "asset_9855\x01tags\x01" "asset_9762\x01tags\x01" "asset_9703\x01tags\x01" "asset_10846\x01tags\x01" "asset_10813\x01tags\x01" "asset_10697\x01tags\x01" "asset_10896\x01tags\x01" "asset_10775\x01tags\x01" "asset_10787\x01tags\x01" "asset_10283\x01tags\x01" "asset_9433\x01tags\x01"] View formatted query View runnable query Explain query SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > ? THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ? ) SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > 1734966909 THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN ('document_2246tags', 'asset_9755tags', 'asset_9711tags', 'asset_10876tags', 'asset_9698tags', 'asset_9763tags', 'asset_9709tags', 'asset_9700tags', 'asset_9692tags', 'asset_9715tags', 'asset_9695tags', 'asset_9694tags', 'asset_10102tags', 'asset_10877tags', 'asset_10878tags', 'asset_9705tags', 'asset_9701tags', 'asset_9738tags', 'asset_10023tags', 'asset_9710tags', 'asset_9772tags', 'asset_9685tags', 'asset_9745tags', 'asset_9707tags', 'asset_9693tags', 'asset_9966tags', 'document_2188tags', 'asset_10017tags', 'asset_10189tags', 'asset_10188tags', 'asset_9855tags', 'asset_9762tags', 'asset_9703tags', 'asset_10846tags', 'asset_10813tags', 'asset_10697tags', 'asset_10896tags', 'asset_10775tags', 'asset_10787tags', 'asset_10283tags', 'asset_9433tags');
3.28 ms (10.24%)	12	SELECT id FROM documents WHERE `path` = BINARY ? AND `key` = BINARY ? Parameters: [`"/fr/landingpage-automation-fr/" "funktionsgriff-landingpage-fr"`] View formatted query View runnable query Explain query SELECT id FROM documents WHERE `path` = BINARY ? AND `key` = BINARY ? SELECT id FROM documents WHERE `path` = BINARY '/fr/landingpage-automation-fr/' AND `key` = BINARY 'funktionsgriff-landingpage-fr';
1.58 ms (4.93%)	5	SELECT * FROM website_settings WHERE name = ? AND ( siteId IS NULL OR siteId = 0 OR siteId = ? ) AND ( language IS NULL OR language = '' OR language = ? ) ORDER BY CONCAT(siteId, language) DESC, siteId DESC, language DESC Parameters: [`"googleMapApiKey" null null`] View formatted query View runnable query Explain query SELECT * FROM website_settings WHERE name = ? AND ( siteId IS NULL OR siteId = 0 OR siteId = ? ) AND ( language IS NULL OR language = '' OR language = ? ) ORDER BY CONCAT(siteId, language) DESC, siteId DESC, language DESC SELECT * FROM website_settings WHERE name = 'googleMapApiKey' AND ( siteId IS NULL OR siteId = 0 OR siteId = NULL ) AND ( language IS NULL OR language = '' OR language = NULL ) ORDER BY CONCAT(siteId, language) DESC, siteId DESC, language DESC;
0.92 ms (2.87%)	2	SELECT * FROM redirects WHERE ( (source = ? AND (`type` = ? OR `type` = ?)) OR (source = ? AND `type` = ?) OR (source = ? AND `type` = ?) ) AND active = 1 AND (regex IS NULL OR regex = 0) AND (expiry > UNIX_TIMESTAMP() OR expiry IS NULL) AND sourceSite IS NULL AND priority = 99 ORDER BY `priority` DESC Parameters: [`"/fr/landingpage-automation-fr/funktionsgriff-landingpage-fr" "path" "auto_create" "/fr/landingpage-automation-fr/funktionsgriff-landingpage-fr" "path_query" "http://45.132.247.172:85/fr/landingpage-automation-fr/funktionsgriff-landingpage-fr" "entire_uri"`] View formatted query View runnable query Explain query SELECT * FROM redirects WHERE ( ( source = ? AND ( `type` = ? OR `type` = ? ) ) OR ( source = ? AND `type` = ? ) OR ( source = ? AND `type` = ? ) ) AND active = 1 AND ( regex IS NULL OR regex = 0 ) AND ( expiry > UNIX_TIMESTAMP() OR expiry IS NULL ) AND sourceSite IS NULL AND priority = 99 ORDER BY `priority` DESC SELECT * FROM redirects WHERE ( (source = '/fr/landingpage-automation-fr/funktionsgriff-landingpage-fr' AND (`type` = 'path' OR `type` = 'auto_create')) OR (source = '/fr/landingpage-automation-fr/funktionsgriff-landingpage-fr' AND `type` = 'path_query') OR (source = 'http://45.132.247.172:85/fr/landingpage-automation-fr/funktionsgriff-landingpage-fr' AND `type` = 'entire_uri') ) AND active = 1 AND (regex IS NULL OR regex = 0) AND (expiry > UNIX_TIMESTAMP() OR expiry IS NULL) AND sourceSite IS NULL AND priority = 99 ORDER BY `priority` DESC;
0.82 ms (2.56%)	3	SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > ? THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN (?, ?) Parameters: [`1734966909 "system\x01tags\x01" "site\x01tags\x01"`] View formatted query View runnable query Explain query SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > ? THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN (?, ?) SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > 1734966909 THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN ('systemtags', 'sitetags');
0.73 ms (2.30%)	2	SELECT id,language FROM documents_translations WHERE sourceId IN(?, ?) UNION SELECT sourceId as id,"source" FROM documents_translations WHERE id = ? Parameters: [`2207 2246 2246`] View formatted query View runnable query Explain query SELECT id, language FROM documents_translations WHERE sourceId IN(?, ?) UNION SELECT sourceId as id, "source" FROM documents_translations WHERE id = ? SELECT id,language FROM documents_translations WHERE sourceId IN(2207, 2246) UNION SELECT sourceId as id,"source" FROM documents_translations WHERE id = 2246;
0.69 ms (2.15%)	2	SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > ? THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN (?, ?, ?) Parameters: [`1734966909 "system\x01tags\x01" "redirect\x01tags\x01" "route\x01tags\x01"`] View formatted query View runnable query Explain query SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > ? THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN (?, ?, ?) SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > 1734966909 THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN ('systemtags', 'redirecttags', 'routetags');
0.66 ms (2.08%)	3	SELECT * FROM settings_store WHERE id = ? AND scope = ? Parameters: [`"BUNDLE_INSTALLED__Pimcore\Bundle\SeoBundle\PimcoreSeoBundle" "pimcore"`] View formatted query View runnable query Explain query SELECT * FROM settings_store WHERE id = ? AND scope = ? SELECT * FROM settings_store WHERE id = 'BUNDLE_INSTALLED__Pimcore\\Bundle\\SeoBundle\\PimcoreSeoBundle' AND scope = 'pimcore';
0.66 ms (2.06%)	3	SELECT * FROM website_settings WHERE id = ? Parameters: [`8`] View formatted query View runnable query Explain query SELECT * FROM website_settings WHERE id = ? SELECT * FROM website_settings WHERE id = 8;
0.50 ms (1.57%)	1	SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > ? THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?) Parameters: [1734966909 "document_2207\x01tags\x01" "asset_10016\x01tags\x01" "asset_9711\x01tags\x01" "asset_10876\x01tags\x01" "asset_9698\x01tags\x01" "asset_9763\x01tags\x01" "asset_9709\x01tags\x01" "asset_9700\x01tags\x01" "asset_9692\x01tags\x01" "asset_9715\x01tags\x01" "asset_9695\x01tags\x01" "asset_9694\x01tags\x01" "asset_9854\x01tags\x01" "asset_10877\x01tags\x01" "asset_10878\x01tags\x01" "asset_9705\x01tags\x01" "asset_9701\x01tags\x01" "asset_9856\x01tags\x01" "asset_9685\x01tags\x01" "asset_9745\x01tags\x01" "asset_9707\x01tags\x01" "asset_9693\x01tags\x01" "asset_9967\x01tags\x01" "document_2188\x01tags\x01" "asset_10017\x01tags\x01" "asset_10189\x01tags\x01" "asset_10859\x01tags\x01" "asset_9855\x01tags\x01" "asset_9762\x01tags\x01" "asset_9703\x01tags\x01" "asset_10184\x01tags\x01" "asset_10185\x01tags\x01" "asset_10250\x01tags\x01" "asset_10191\x01tags\x01" "asset_9720\x01tags\x01" "asset_9723\x01tags\x01" "asset_9724\x01tags\x01" "asset_9725\x01tags\x01" "asset_9722\x01tags\x01" "asset_9721\x01tags\x01" "asset_10326\x01tags\x01" "asset_10312\x01tags\x01" "asset_10424\x01tags\x01" "asset_9853\x01tags\x01" "asset_10023\x01tags\x01" "asset_9710\x01tags\x01" "asset_10695\x01tags\x01" "asset_10857\x01tags\x01" "asset_10697\x01tags\x01" "asset_10896\x01tags\x01" "asset_10775\x01tags\x01" "asset_10787\x01tags\x01" "asset_10283\x01tags\x01" "asset_9433\x01tags\x01"] View formatted query View runnable query Explain query SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > ? THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ? ) SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > 1734966909 THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN ('document_2207tags', 'asset_10016tags', 'asset_9711tags', 'asset_10876tags', 'asset_9698tags', 'asset_9763tags', 'asset_9709tags', 'asset_9700tags', 'asset_9692tags', 'asset_9715tags', 'asset_9695tags', 'asset_9694tags', 'asset_9854tags', 'asset_10877tags', 'asset_10878tags', 'asset_9705tags', 'asset_9701tags', 'asset_9856tags', 'asset_9685tags', 'asset_9745tags', 'asset_9707tags', 'asset_9693tags', 'asset_9967tags', 'document_2188tags', 'asset_10017tags', 'asset_10189tags', 'asset_10859tags', 'asset_9855tags', 'asset_9762tags', 'asset_9703tags', 'asset_10184tags', 'asset_10185tags', 'asset_10250tags', 'asset_10191tags', 'asset_9720tags', 'asset_9723tags', 'asset_9724tags', 'asset_9725tags', 'asset_9722tags', 'asset_9721tags', 'asset_10326tags', 'asset_10312tags', 'asset_10424tags', 'asset_9853tags', 'asset_10023tags', 'asset_9710tags', 'asset_10695tags', 'asset_10857tags', 'asset_10697tags', 'asset_10896tags', 'asset_10775tags', 'asset_10787tags', 'asset_10283tags', 'asset_9433tags');
0.48 ms (1.49%)	2	SELECT sourceId FROM documents_translations WHERE id = ? Parameters: [`2246`] View formatted query View runnable query Explain query SELECT sourceId FROM documents_translations WHERE id = ? SELECT sourceId FROM documents_translations WHERE id = 2246;
0.47 ms (1.46%)	1	SELECT * FROM translations_messages LIMIT 1; Parameters: [] View formatted query View runnable query Explain query SELECT * FROM translations_messages LIMIT 1; SELECT * FROM translations_messages LIMIT 1;;
0.45 ms (1.40%)	1	SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > ? THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?) Parameters: [1734966909 "document_2245\x01tags\x01" "asset_9285\x01tags\x01" "asset_9432\x01tags\x01" "asset_5385\x01tags\x01" "asset_9272\x01tags\x01" "asset_9857\x01tags\x01" "asset_9723\x01tags\x01" "asset_9704\x01tags\x01" "asset_9698\x01tags\x01" "asset_9763\x01tags\x01" "asset_9703\x01tags\x01" "asset_9722\x01tags\x01" "asset_9711\x01tags\x01" "asset_9713\x01tags\x01" "asset_9709\x01tags\x01" "asset_9700\x01tags\x01" "asset_9720\x01tags\x01" "asset_9715\x01tags\x01" "asset_9695\x01tags\x01" "asset_9694\x01tags\x01" "asset_9724\x01tags\x01" "asset_9710\x01tags\x01" "asset_9854\x01tags\x01" "asset_9706\x01tags\x01" "asset_9712\x01tags\x01" "asset_9705\x01tags\x01" "asset_9701\x01tags\x01" "asset_9853\x01tags\x01" "asset_9856\x01tags\x01" "asset_9855\x01tags\x01" "asset_9692\x01tags\x01" "asset_9745\x01tags\x01" "asset_9685\x01tags\x01" "asset_9725\x01tags\x01" "asset_9707\x01tags\x01" "asset_9693\x01tags\x01" "asset_9996\x01tags\x01" "asset_9721\x01tags\x01" "asset_9762\x01tags\x01" "asset_9949\x01tags\x01" "asset_9967\x01tags\x01" "asset_9433\x01tags\x01"] View formatted query View runnable query Explain query SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > ? THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ? ) SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > 1734966909 THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN ('document_2245tags', 'asset_9285tags', 'asset_9432tags', 'asset_5385tags', 'asset_9272tags', 'asset_9857tags', 'asset_9723tags', 'asset_9704tags', 'asset_9698tags', 'asset_9763tags', 'asset_9703tags', 'asset_9722tags', 'asset_9711tags', 'asset_9713tags', 'asset_9709tags', 'asset_9700tags', 'asset_9720tags', 'asset_9715tags', 'asset_9695tags', 'asset_9694tags', 'asset_9724tags', 'asset_9710tags', 'asset_9854tags', 'asset_9706tags', 'asset_9712tags', 'asset_9705tags', 'asset_9701tags', 'asset_9853tags', 'asset_9856tags', 'asset_9855tags', 'asset_9692tags', 'asset_9745tags', 'asset_9685tags', 'asset_9725tags', 'asset_9707tags', 'asset_9693tags', 'asset_9996tags', 'asset_9721tags', 'asset_9762tags', 'asset_9949tags', 'asset_9967tags', 'asset_9433tags');
0.37 ms (1.14%)	1	SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > ? THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN (?, ?, ?, ?, ?, ?, ?) Parameters: [`1734966909 "document_1125\x01tags\x01" "asset_5384\x01tags\x01" "asset_5386\x01tags\x01" "asset_5385\x01tags\x01" "document_1149\x01tags\x01" "document_1148\x01tags\x01" "asset_5383\x01tags\x01"`] View formatted query View runnable query Explain query SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > ? THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN (?, ?, ?, ?, ?, ?, ?) SELECT item_id, CASE WHEN item_lifetime IS NULL OR item_lifetime + item_time > 1734966909 THEN item_data ELSE NULL END FROM cache_items WHERE item_id IN ('document_1125tags', 'asset_5384tags', 'asset_5386tags', 'asset_5385tags', 'document_1149tags', 'document_1148tags', 'asset_5383tags');
0.28 ms (0.88%)	1	SELECT * FROM tmp_store WHERE id = ? Parameters: [`"maintenance_mode"`] View formatted query View runnable query Explain query SELECT * FROM tmp_store WHERE id = ? SELECT * FROM tmp_store WHERE id = 'maintenance_mode';
0.25 ms (0.77%)	1	SELECT id FROM sites ORDER BY (SELECT LENGTH(`path`) FROM documents WHERE documents.id = sites.rootId) DESC Parameters: [] View formatted query View runnable query Explain query SELECT id FROM sites ORDER BY ( SELECT LENGTH(`path`) FROM documents WHERE documents.id = sites.rootId ) DESC SELECT id FROM sites ORDER BY (SELECT LENGTH(`path`) FROM documents WHERE documents.id = sites.rootId) DESC ;
0.24 ms (0.76%)	1	SELECT name FROM classes WHERE id = ? Parameters: [`"73"`] View formatted query View runnable query Explain query SELECT name FROM classes WHERE id = ? SELECT name FROM classes WHERE id = '73';
0.24 ms (0.74%)	1	SELECT * FROM object_url_slugs WHERE slug = '/fr/landingpage-automation-fr/funktionsgriff-landingpage-fr' AND siteId = 0 ORDER BY siteId DESC LIMIT 1 Parameters: [] View formatted query View runnable query Explain query SELECT * FROM object_url_slugs WHERE slug = '/fr/landingpage-automation-fr/funktionsgriff-landingpage-fr' AND siteId = 0 ORDER BY siteId DESC LIMIT 1 SELECT * FROM object_url_slugs WHERE slug = '/fr/landingpage-automation-fr/funktionsgriff-landingpage-fr' AND siteId = 0 ORDER BY siteId DESC LIMIT 1;
0.22 ms (0.69%)	1	SELECT * FROM object_relations_73 WHERE src_id = ? Parameters: [`32231`] View formatted query View runnable query Explain query SELECT * FROM object_relations_73 WHERE src_id = ? SELECT * FROM object_relations_73 WHERE src_id = 32231;
0.21 ms (0.67%)	1	SELECT id FROM documents_page WHERE prettyUrl = ? Parameters: [`"/funktionsgriffe-fuer-automation-und-anlagen-industrie-maschinenbau"`] View formatted query View runnable query Explain query SELECT id FROM documents_page WHERE prettyUrl = ? SELECT id FROM documents_page WHERE prettyUrl = '/funktionsgriffe-fuer-automation-und-anlagen-industrie-maschinenbau';

Database Connections

Name	Service
default	doctrine.dbal.default_connection

Entity Managers

Name	Service
default	doctrine.orm.default_entity_manager

Second Level Cache

Second Level Cache is not enabled.

Entities Mapping

Class	Mapping errors
FormBuilderBundle\Model\OutputWorkflow	No errors.
FormBuilderBundle\Model\FormDefinition	No errors.

Symfony Profiler

GET http://45.132.247.172:85/_fragment?_path=_format%3Dhtml%26_locale%3Dfr%26_controller%3D%255CApp%255CController%255CCookieConsentController%253A%253AinjectAction…

Configuration Settings

Theme

Page Width

Query Metrics

Grouped Statements

Database Connections

Entity Managers

Second Level Cache

Entities Mapping