{"id":3478,"date":"2013-08-23T04:12:09","date_gmt":"2013-08-23T02:12:09","guid":{"rendered":"http:\/\/gr-01.de\/www-whitepapers.grafik-und-redaktion.de\/?p=3478"},"modified":"2013-08-23T04:16:11","modified_gmt":"2013-08-23T02:16:11","slug":"facebook-safe_image-php","status":"publish","type":"post","link":"https:\/\/whitepapers.grafik-und-redaktion.de\/?p=3478","title":{"rendered":"Facebook safe_image.php"},"content":{"rendered":"<p><a href=\"http:\/\/gr-01.de\/www-whitepapers.grafik-und-redaktion.de\/wp-content\/uploads\/2013\/08\/sc-561_2013-0823_03-3112.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3479\" alt=\"sc-561_2013-0823_03-3112\" src=\"http:\/\/gr-01.de\/www-whitepapers.grafik-und-redaktion.de\/wp-content\/uploads\/2013\/08\/sc-561_2013-0823_03-3112.png\" width=\"525\" height=\"317\" srcset=\"https:\/\/whitepapers.grafik-und-redaktion.de\/wp-content\/uploads\/2013\/08\/sc-561_2013-0823_03-3112.png 525w, https:\/\/whitepapers.grafik-und-redaktion.de\/wp-content\/uploads\/2013\/08\/sc-561_2013-0823_03-3112-300x181.png 300w\" sizes=\"(max-width: 525px) 100vw, 525px\" \/><\/a><\/p>\n<p>Bildgr\u00f6\u00dfe in Facebook ist 100&#215;100 Pixel, hochzuladen sind 200&#215;200. Aufgerufen durch drei Zeilen im WP-Header:<\/p>\n<pre class=\"lang:php\">\t<?php if ( !is_single() ) : ?> <?php \/*grsk Das hier ist das Standard-Pic, das Facebook-Links beigegeben wird *\/ ?>\r\n\t<meta property=\"og:image\" content=\"http:\/\/chris-tall.de\/cms\/wp-content\/themes\/christall\/images\/screenshot201308230329.jpg\" \/>\r\n\t<?php endif; ?><?php \/*grsk ENDE *\/ ?>\r\n<\/pre>\n<p>Da der FB-Cache hartn\u00e4ckig ist, sollte ein neues Vorschaubild immer einen anderen Namen bekommen &#8211; etwa immer das minutenengenaue Datum an den Dateinamen h\u00e4ngen (Beispiel: &#8222;dateiname2013081200643.jpg&#8220;). <a href=\"http:\/\/stackoverflow.com\/questions\/7572441\/facebook-like-showing-cached-version-ogimage-way-to-refresh-or-reindex-it\/7572512#comment14496060_7572512\">Dieser Thread aus Stackoverflow<\/a> brachte die Idee: &#8222;This worked, but I first had to change the og:image URL (both on the server and in the tag) to get it to pick up the change. You can then change it back to the original URL afterward, and it will pick up the change again (if you had the OP&#8217;s problem of not being able to change it permanently).&#8220;<\/p>\n<p><a href=\"https:\/\/developers.facebook.com\/tools\/debug\" class=\"autohyperlink\" target=\"_blank\">developers.facebook.com\/tools\/debug<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bildgr\u00f6\u00dfe in Facebook ist 100&#215;100 Pixel, hochzuladen sind 200&#215;200. Aufgerufen durch drei Zeilen im WP-Header: Da der FB-Cache hartn\u00e4ckig ist, sollte ein neues Vorschaubild immer einen anderen Namen bekommen &#8211; etwa immer das minutenengenaue Datum an den Dateinamen h\u00e4ngen (Beispiel: &hellip; <a href=\"https:\/\/whitepapers.grafik-und-redaktion.de\/?p=3478\">Weiterlesen &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":3479,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[61,79,46],"tags":[],"_links":{"self":[{"href":"https:\/\/whitepapers.grafik-und-redaktion.de\/index.php?rest_route=\/wp\/v2\/posts\/3478"}],"collection":[{"href":"https:\/\/whitepapers.grafik-und-redaktion.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/whitepapers.grafik-und-redaktion.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/whitepapers.grafik-und-redaktion.de\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/whitepapers.grafik-und-redaktion.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3478"}],"version-history":[{"count":5,"href":"https:\/\/whitepapers.grafik-und-redaktion.de\/index.php?rest_route=\/wp\/v2\/posts\/3478\/revisions"}],"predecessor-version":[{"id":3487,"href":"https:\/\/whitepapers.grafik-und-redaktion.de\/index.php?rest_route=\/wp\/v2\/posts\/3478\/revisions\/3487"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/whitepapers.grafik-und-redaktion.de\/index.php?rest_route=\/wp\/v2\/media\/3479"}],"wp:attachment":[{"href":"https:\/\/whitepapers.grafik-und-redaktion.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3478"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/whitepapers.grafik-und-redaktion.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3478"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/whitepapers.grafik-und-redaktion.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}