{"id":979,"date":"2022-08-30T15:10:22","date_gmt":"2022-08-30T15:10:22","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2013\/11\/09\/zend-framework-check-if-zend-view-placeholder-isset-collection-of-common-programming-errors\/"},"modified":"2022-08-30T15:10:22","modified_gmt":"2022-08-30T15:10:22","slug":"zend-framework-check-if-zend-view-placeholder-isset-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2022\/08\/30\/zend-framework-check-if-zend-view-placeholder-isset-collection-of-common-programming-errors\/","title":{"rendered":"Zend Framework: Check if Zend View Placeholder isset-Collection of common programming errors"},"content":{"rendered":"<p>How can I check if a Zend View Placeholder isset before echo-ing it out? As I am wanting to prepend &#8221; &#8211; &#8221; to it before outputting it.<\/p>\n<p>I tried<\/p>\n<pre><code>echo isset($this-&gt;placeholder('title')) \n    ? ' - ' . $this-&gt;placeholder('title') \n    : '';\n<\/code><\/pre>\n<p>But I got<\/p>\n<blockquote>\n<p>Fatal error: Can&#8217;t use method return value in write context in D:\\Projects\\Websites\\php\\ZendFramework\\LearningZF\\application\\layouts\\scripts\\layout.phtml on line 5<\/p>\n<\/blockquote>\n<p>On a side note, how come when I got this error, why isn&#8217;t it shown in the Error View Script? The error was shown in a blank page without layout.<\/p>\n<p id=\"rop\"><small>Originally posted 2013-11-09 23:10:13. <\/small><\/p>","protected":false},"excerpt":{"rendered":"<p>How can I check if a Zend View Placeholder isset before echo-ing it out? As I am wanting to prepend &#8221; &#8211; &#8221; to it before outputting it. I tried echo isset($this-&gt;placeholder(&#8216;title&#8217;)) ? &#8216; &#8211; &#8216; . $this-&gt;placeholder(&#8216;title&#8217;) : &#8221;; But I got Fatal error: Can&#8217;t use method return value in write context in D:\\Projects\\Websites\\php\\ZendFramework\\LearningZF\\application\\layouts\\scripts\\layout.phtml [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,8],"tags":[],"class_list":["post-979","post","type-post","status-publish","format-standard","hentry","category-uncategorized","category-zend-framework"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/979","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=979"}],"version-history":[{"count":1,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/979\/revisions"}],"predecessor-version":[{"id":8885,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/979\/revisions\/8885"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}