{"id":33,"date":"2025-03-04T06:05:55","date_gmt":"2025-03-04T06:05:55","guid":{"rendered":"https:\/\/techkubo.com\/php\/?p=33"},"modified":"2025-05-23T17:30:07","modified_gmt":"2025-05-23T17:30:07","slug":"php-data-types","status":"publish","type":"post","link":"https:\/\/techkubo.com\/php\/php-data-types\/","title":{"rendered":"PHP Data Types"},"content":{"rendered":"\n<p>In PHP, variables can store various types of data, each with its own unique behavior and capabilities.<\/p>\n\n\n\n<p>PHP supports several data types, including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>String<\/li>\n\n\n\n<li>Integer<\/li>\n\n\n\n<li>Float (also known as double)<\/li>\n\n\n\n<li>Boolean<\/li>\n\n\n\n<li>Array<\/li>\n\n\n\n<li>Object<\/li>\n\n\n\n<li>NULL<\/li>\n\n\n\n<li>Resource<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Getting the Data Type<\/h2>\n\n\n\n<p>You can find out the data type of any variable using the <code>var_dump()<\/code> function.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Example:<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:&quot;language&quot;,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;php&quot;,&quot;mime&quot;:&quot;text\/x-php&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;PHP&quot;,&quot;language&quot;:&quot;PHP&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;php&quot;}\">$price = 2000.50;\nvar_dump($price);<\/pre><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PHP String<\/h2>\n\n\n\n<p>A string is a sequence of characters, like &#8220;Hello, world!&#8221;.<\/p>\n\n\n\n<p>Strings can be enclosed in single or double quotes.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Example:<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:&quot;language&quot;,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;php&quot;,&quot;mime&quot;:&quot;text\/x-php&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;PHP&quot;,&quot;language&quot;:&quot;PHP&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;php&quot;}\">$brand1 = &quot;Nike&quot;;\n$brand2 = 'Adidas';\n\nvar_dump($brand1);\necho &quot;&lt;br&gt;&quot;;\nvar_dump($brand2);<\/pre><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PHP Integer<\/h2>\n\n\n\n<p>An integer is a non-decimal number that falls within a certain range.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Rules for integers:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>An integer must have at least one digit.<\/li>\n\n\n\n<li>An integer must not have a decimal point.<\/li>\n\n\n\n<li>An integer can be either positive or negative.<\/li>\n\n\n\n<li>Integers can be specified in decimal (base 10), hexadecimal (base 16), octal (base 8), or binary (base 2) notation.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Example:<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:&quot;language&quot;,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;php&quot;,&quot;mime&quot;:&quot;text\/x-php&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;PHP&quot;,&quot;language&quot;:&quot;PHP&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;php&quot;}\">$quantity = 1500;\nvar_dump($quantity);<\/pre><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PHP Float<\/h2>\n\n\n\n<p>A float (or double) is a number with a decimal point or in exponential form.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Example:<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:&quot;language&quot;,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;php&quot;,&quot;mime&quot;:&quot;text\/x-php&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;PHP&quot;,&quot;language&quot;:&quot;PHP&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;php&quot;}\">$weight = 75.5;\nvar_dump($weight);<\/pre><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PHP Boolean<\/h2>\n\n\n\n<p>A Boolean represents a binary state: <code>TRUE<\/code> or <code>FALSE<\/code>.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Example:<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:&quot;language&quot;,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;php&quot;,&quot;mime&quot;:&quot;application\/x-httpd-php&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;PHP&quot;,&quot;language&quot;:&quot;PHP&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;php&quot;}\">$isAvailable = true;\nvar_dump($isAvailable);<\/pre><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p>Booleans are often used in conditional statements.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PHP Array<\/h2>\n\n\n\n<p>An array can store multiple values in one variable.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Example:<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:&quot;language&quot;,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;php&quot;,&quot;mime&quot;:&quot;text\/x-php&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;PHP&quot;,&quot;language&quot;:&quot;PHP&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;php&quot;}\">$brands = array(&quot;Tesla&quot;, &quot;Ford&quot;, &quot;Chevrolet&quot;);\nvar_dump($brands);<\/pre><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PHP Object<\/h2>\n\n\n\n<p>Object-oriented programming revolves around classes and objects. A class is a blueprint, and an object is an instance of that class.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Example:<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:&quot;language&quot;,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;php&quot;,&quot;mime&quot;:&quot;text\/x-php&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;PHP&quot;,&quot;language&quot;:&quot;PHP&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;php&quot;}\">class Car {\n    public $brand;\n    public $model;\n    public function __construct($brand, $model) {\n        $this-&gt;brand = $brand;\n        $this-&gt;model = $model;\n    }\n    public function description() {\n        return &quot;My car is a &quot; . $this-&gt;brand . &quot; &quot; . $this-&gt;model . &quot;.&quot;;\n    }\n}\n\n$myCar = new Car(&quot;Ferrari&quot;, &quot;488 Spider&quot;);\nvar_dump($myCar);<\/pre><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PHP NULL Value<\/h2>\n\n\n\n<p>A variable with the <code>NULL<\/code> data type has no value assigned to it.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Example:<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:&quot;language&quot;,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;php&quot;,&quot;mime&quot;:&quot;text\/x-php&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;PHP&quot;,&quot;language&quot;:&quot;PHP&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;php&quot;}\">$model = &quot;Mustang&quot;;\n$model = null;\nvar_dump($model);<\/pre><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Changing Data Type<\/h2>\n\n\n\n<p>PHP automatically changes the data type based on the value assigned to a variable.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Example:<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:&quot;language&quot;,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;php&quot;,&quot;mime&quot;:&quot;text\/x-php&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;PHP&quot;,&quot;language&quot;:&quot;PHP&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;php&quot;}\">$quantity = 20;\nvar_dump($quantity);\n\n$quantity = &quot;twenty&quot;;\nvar_dump($quantity);<\/pre><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p>You can also explicitly change the data type using type casting.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Example:<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:&quot;language&quot;,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;php&quot;,&quot;mime&quot;:&quot;text\/x-php&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;PHP&quot;,&quot;language&quot;:&quot;PHP&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;php&quot;}\">$count = 10;\n$count = (string) $count;\nvar_dump($count);<\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><\/h3>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In PHP, variables can store various types of data, each with its own unique behavior and capabilities. PHP supports several [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"","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":[1],"tags":[],"class_list":["post-33","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PHP Data Types - PHP Tutorial<\/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:\/\/techkubo.com\/php\/php-data-types\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PHP Data Types - PHP Tutorial\" \/>\n<meta property=\"og:description\" content=\"In PHP, variables can store various types of data, each with its own unique behavior and capabilities. 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