{"id":135748,"date":"2024-07-10T14:09:45","date_gmt":"2024-07-10T08:39:45","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=135748"},"modified":"2024-07-10T14:09:45","modified_gmt":"2024-07-10T08:39:45","slug":"php-abstract-classes","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/php-abstract-classes\/","title":{"rendered":"PHP OOP Abstract Classes"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">&lt;html&gt;\r\n&lt;head&gt;&lt;title&gt;Demo&lt;\/title&gt;&lt;\/head&gt;\r\n&lt;body&gt;\r\n    &lt;center&gt;\r\n&lt;?php \r\n     abstract class Base\r\n     {\r\n          abstract function display();\r\n     }\r\n\r\n     class Derived extends Base\r\n     {\r\n         function display()\r\n         {\r\n            echo \"This is display of Derived\";\r\n         }\r\n     }\r\n\r\n     class Derived1 extends Base\r\n     {\r\n         function display()\r\n         {\r\n            echo \"This is display of Derived one class\";\r\n         }\r\n     }\r\n\r\n\r\n      $d=new Derived1();\r\n      $d-&gt;display();\r\n?&gt;\r\n&lt;\/center&gt;\r\n&lt;\/body&gt;\r\n&lt;\/html&gt;<\/pre>\n<h3>Program 2<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">&lt;html&gt;\r\n&lt;head&gt;&lt;title&gt;Demo&lt;\/title&gt;&lt;\/head&gt;\r\n&lt;body&gt;\r\n    &lt;center&gt;\r\n&lt;?php \r\n     \r\n    abstract class Button\r\n    {\r\n          abstract function click();\r\n          \r\n    }\r\n  class MyColor extends Button\r\n  {\r\n    function click()\r\n    {\r\n          echo \"&lt;font color=red size=7&gt;Color is Red Now&lt;\/font&gt;\";\r\n    }\r\n}  \r\n  class MyImage extends Button\r\n    {\r\n         function click()\r\n      {\r\n         echo \"&lt;img src=dog.jpg&gt;\";\r\n       }   \r\n    }\r\n  $M=new MyImage();\r\n  $M-&gt;click();\r\n\r\n    \r\n\r\n?&gt;\r\n&lt;\/center&gt;\r\n&lt;\/body&gt;\r\n&lt;\/html&gt;<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 &lt;html&gt; &lt;head&gt;&lt;title&gt;Demo&lt;\/title&gt;&lt;\/head&gt; &lt;body&gt; &lt;center&gt; &lt;?php abstract class Base { abstract function display(); } class Derived extends Base { function display() { echo &#8220;This is display of Derived&#8221;; } } class Derived1 extends&#46;&#46;&#46;<\/p>\n","protected":false},"author":86671,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31445],"tags":[32611,32613,21772,32610,32612,32332,32333],"class_list":["post-135748","post","type-post","status-publish","format-standard","hentry","category-php-tutorials","tag-abstract-class-in-php","tag-oops-abstract-class-in-php","tag-php","tag-php-abstract-class","tag-php-oops-abstract-class","tag-php-practical","tag-php-program"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PHP OOP Abstract Classes - DataFlair<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/data-flair.training\/blogs\/php-abstract-classes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PHP OOP Abstract Classes - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 &lt;html&gt; &lt;head&gt;&lt;title&gt;Demo&lt;\/title&gt;&lt;\/head&gt; &lt;body&gt; &lt;center&gt; &lt;?php abstract class Base { abstract function display(); } class Derived extends Base { function display() { echo &quot;This is display of Derived&quot;; } } class Derived1 extends&#046;&#046;&#046;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/data-flair.training\/blogs\/php-abstract-classes\/\" \/>\n<meta property=\"og:site_name\" content=\"DataFlair\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/DataFlairWS\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-07-10T08:39:45+00:00\" \/>\n<meta name=\"author\" content=\"TechVidvan Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:site\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"TechVidvan Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"PHP OOP Abstract Classes - DataFlair","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/data-flair.training\/blogs\/php-abstract-classes\/","og_locale":"en_US","og_type":"article","og_title":"PHP OOP Abstract Classes - DataFlair","og_description":"Program 1 &lt;html&gt; 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