{"id":15557,"date":"2020-06-29T16:17:16","date_gmt":"2020-06-29T16:17:16","guid":{"rendered":"https:\/\/www.devopsschool.com\/blog\/?p=15557"},"modified":"2022-04-13T15:58:38","modified_gmt":"2022-04-13T15:58:38","slug":"how-to-declare-php-variables-output-variables-quotes-and-more","status":"publish","type":"post","link":"https:\/\/www.devopsschool.com\/blog\/how-to-declare-php-variables-output-variables-quotes-and-more\/","title":{"rendered":"How to declare PHP variables output variables quotes and more?"},"content":{"rendered":"\n<p>In this blog I am going to to how to declare<strong> PHP<\/strong> variable output, <strong>PHP<\/strong> <strong>Variables Scope<\/strong>, <strong>PHP Global <\/strong>and <strong>Local Scope<\/strong>, PHP Global Keyword variable quotes and more.<\/p>\n\n\n\n<p>Creating (Declaring) PHP Variables-<br>In PHP, a variable starts $ sign, this is mandatory for output or result<br>Variable always start with $ sign,<br>A variable name cannot start with a number.<br>A variable must start with a letter or underscore.<\/p>\n\n\n\n<p><strong>ex-<\/strong><\/p>\n\n\n\n<script src=\"https:\/\/gist.github.com\/ajcotocus\/4637a872b0cb38cdef83a75a6a40b456.js\"><\/script>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"567\" height=\"170\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2020\/06\/declaring-variable.png\" alt=\"\" class=\"wp-image-15558\" srcset=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2020\/06\/declaring-variable.png 567w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2020\/06\/declaring-variable-300x90.png 300w\" sizes=\"auto, (max-width: 567px) 100vw, 567px\" \/><figcaption><br><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">PHP local scope:<\/h3>\n\n\n\n<p><br>Any variable declared inside a function is considered as in local scopte of function scope. It can be accessible only inside that function where it is declared.<\/p>\n\n\n\n<script src=\"https:\/\/gist.github.com\/ajcotocus\/8967daa162dea901c9a837aa0cf8f36a.js\"><\/script>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"558\" height=\"162\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2020\/06\/php-local-scope.png\" alt=\"\" class=\"wp-image-15563\" srcset=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2020\/06\/php-local-scope.png 558w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2020\/06\/php-local-scope-300x87.png 300w\" sizes=\"auto, (max-width: 558px) 100vw, 558px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">PHP global Scope<\/h3>\n\n\n\n<p>Any variable declared outside a function is considered as in the global scope. It can be accessed anywhere in the script.<\/p>\n\n\n\n<script src=\"https:\/\/gist.github.com\/ajcotocus\/c5b418bdb63df781d243ad32b1b9c555.js\"><\/script>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"552\" height=\"129\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2020\/06\/php-global-scope.png\" alt=\"\" class=\"wp-image-15567\" srcset=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2020\/06\/php-global-scope.png 552w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2020\/06\/php-global-scope-300x70.png 300w\" sizes=\"auto, (max-width: 552px) 100vw, 552px\" \/><\/figure>\n\n\n<div class=\"epyt-gallery\" data-currpage=\"1\" id=\"epyt_gallery_55300\"><iframe loading=\"lazy\"  id=\"_ytid_36195\"  width=\"760\" height=\"427\"  data-origwidth=\"760\" data-origheight=\"427\" src=\"https:\/\/www.youtube.com\/embed\/?enablejsapi=1&#038;autoplay=0&#038;cc_load_policy=0&#038;cc_lang_pref=&#038;iv_load_policy=1&#038;loop=0&#038;rel=1&#038;fs=1&#038;playsinline=0&#038;autohide=2&#038;theme=dark&#038;color=red&#038;controls=1&#038;disablekb=0&#038;\" class=\"__youtube_prefs__  no-lazyload\" title=\"YouTube player\"  data-epytgalleryid=\"epyt_gallery_55300\"  allow=\"fullscreen; accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen data-no-lazy=\"1\" data-skipgform_ajax_framebjll=\"\"><\/iframe><div class=\"epyt-gallery-list\"><div>Sorry, there was a YouTube error.<\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>In this blog I am going to to how to declare PHP variable output, PHP Variables Scope, PHP Global and Local Scope, PHP Global Keyword variable quotes and more. Creating&#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[5150],"tags":[6239,6242,6240,177,6228,6241,317],"class_list":["post-15557","post","type-post","status-publish","format-standard","hentry","category-php","tag-declare","tag-local-scope","tag-output","tag-php","tag-php7","tag-scope","tag-variables"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/15557","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=15557"}],"version-history":[{"count":8,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/15557\/revisions"}],"predecessor-version":[{"id":24704,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/15557\/revisions\/24704"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=15557"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=15557"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=15557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}