{"id":143,"date":"2016-07-06T13:37:57","date_gmt":"2016-07-06T13:37:57","guid":{"rendered":"https:\/\/barkhane.com\/php\/2016\/07\/06\/interpolation\/"},"modified":"2024-03-03T15:05:06","modified_gmt":"2024-03-03T15:05:06","slug":"interpolation","status":"publish","type":"post","link":"https:\/\/barkhane.com\/php\/interpolation\/","title":{"rendered":"What is Interpolation in PHP"},"content":{"rendered":"<p><a href=\"https:\/\/barkhane.com\/php\/what-is-php\/\" target=\"_blank\" rel=\"noopener\">PHP <\/a>supports interpolation of variables in between number\u00a0\u00a0of words to be printed or to be display like\u00a0\u00a0output statements\u00a0echo() and\u00a0 print().<\/p>\n<p>In code we\u00a0use <b>single quote<\/b> to define a constant string, like \\&#8217;php\\&#8217; , \\&#8217;constant value\\&#8217; , \\&#8217;fix value\\&#8217; , while using <b>double quote<\/b> to define a string contain identifier like echo \\&#8221;Price of $b is $c \u00a0total $d\\&#8221; or\u00a0echo \\&#8221;my $a\\&#8221;,Where $a,$b,$c,$d are the variable which contain value ,which is not available at the time of coding,but when we execute it on server it will return some value.<\/p>\n<p>To understand how interpolation in <a href=\"https:\/\/barkhane.com\/php\/what-is-php\/\" target=\"_blank\" rel=\"noopener\">PHP <\/a>\u00a0works \u00a0we are taking an example<\/p>\n<p>$a=Hello;<\/p>\n<p>Now if we use double quote it look like<\/p>\n<blockquote><p>Example:<br \/>\necho <strong>\\&#8221;$a php\\&#8221;<\/strong>; \/\/\/\/\/output will be <strong>Hello php<\/strong><br \/>\necho <strong>\\&#8217;$a php\\&#8217;<\/strong>; \/\/\/\/\/output will be <strong>$a\u00a0php<\/strong><\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>PHP supports interpolation of variables in between number\u00a0\u00a0of words to be printed or to be display like\u00a0\u00a0output statements\u00a0echo() and\u00a0 print(). [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[],"class_list":["post-143","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/barkhane.com\/php\/wp-json\/wp\/v2\/posts\/143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/barkhane.com\/php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/barkhane.com\/php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/barkhane.com\/php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/barkhane.com\/php\/wp-json\/wp\/v2\/comments?post=143"}],"version-history":[{"count":0,"href":"https:\/\/barkhane.com\/php\/wp-json\/wp\/v2\/posts\/143\/revisions"}],"wp:attachment":[{"href":"https:\/\/barkhane.com\/php\/wp-json\/wp\/v2\/media?parent=143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/barkhane.com\/php\/wp-json\/wp\/v2\/categories?post=143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/barkhane.com\/php\/wp-json\/wp\/v2\/tags?post=143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}