<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>PHP Basics</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <base href="../"> <link rel="icon" href="images/favicon.ico"/> <link rel="stylesheet" href="css/normalize.css"> <link rel="stylesheet" href="css/base.css"> <link rel="preconnect" href="https://fonts.gstatic.com"> <link href="https://fonts.googleapis.com/css2?family=Open+Sans:wght@100;200;300;400;600;700&display=swap" rel="stylesheet"> <link href="https://fonts.googleapis.com/css2?family=Source+Code+Pro:wght@400;600;700&display=swap" rel="stylesheet"> <link rel="stylesheet" href="css/template.css"> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.0/css/all.min.css" integrity="sha256-ybRkN9dBjhcS2qrW1z+hfCxq+1aBdwyQM5wlQoQVt/0=" crossorigin="anonymous" /> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/themes/prism-okaidia.css"> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/plugins/line-numbers/prism-line-numbers.css"> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/plugins/line-highlight/prism-line-highlight.css"> <script src="https://cdn.jsdelivr.net/npm/fuse.js@3.4.6"></script> <script src="https://cdn.jsdelivr.net/npm/css-vars-ponyfill@2"></script> <script src="js/template.js"></script> <script src="js/search.js"></script> <script defer src="js/searchIndex.js"></script> </head> <body id="top"> <header class="phpdocumentor-header phpdocumentor-section"> <h1 class="phpdocumentor-title"><a href="" class="phpdocumentor-title__link">PHP Basics</a></h1> <input class="phpdocumentor-header__menu-button" type="checkbox" id="menu-button" name="menu-button" /> <label class="phpdocumentor-header__menu-icon" for="menu-button"> <i class="fas fa-bars"></i> </label> <section data-search-form class="phpdocumentor-search"> <label> <span class="visually-hidden">Search for</span> <svg class="phpdocumentor-search__icon" width="21" height="20" viewBox="0 0 21 20" fill="none" xmlns="http://www.w3.org/2000/svg"> <circle cx="7.5" cy="7.5" r="6.5" stroke="currentColor" stroke-width="2"/> <line x1="12.4892" y1="12.2727" x2="19.1559" y2="18.9393" stroke="currentColor" stroke-width="3"/> </svg> <input type="search" class="phpdocumentor-field phpdocumentor-search__field" placeholder="Loading .." disabled /> </label> </section> <nav class="phpdocumentor-topnav"> <ul class="phpdocumentor-topnav__menu"> <li class="phpdocumentor-topnav__menu-item -menu"> <a href="https://packagist.org/packages/opencultureconsulting/basics"> <span> <i class="fab fa-php"></i> </span> </a> </li> <li class="phpdocumentor-topnav__menu-item -menu"> <a href="https://github.com/opencultureconsulting/php-basics"> <span> <i class="fab fa-github"></i> </span> </a> </li> </ul> </nav> </header> <main class="phpdocumentor"> <div class="phpdocumentor-section"> <input class="phpdocumentor-sidebar__menu-button" type="checkbox" id="sidebar-button" name="sidebar-button" /> <label class="phpdocumentor-sidebar__menu-icon" for="sidebar-button"> Menu </label> <aside class="phpdocumentor-column -three phpdocumentor-sidebar"> <section class="phpdocumentor-sidebar__category"> <h2 class="phpdocumentor-sidebar__category-header">Documentation</h2> <h4 class="phpdocumentor-sidebar__root-namespace"> <a href="guides/installation/index.html#installation" class="">Installation</a> </h4> <ul class="phpdocumentor-list"> <li> <a href="guides/installation/test.html#test" class="">Test</a> </li> </ul> </section> <section class="phpdocumentor-sidebar__category"> <h2 class="phpdocumentor-sidebar__category-header">Namespaces</h2> <h4 class="phpdocumentor-sidebar__root-namespace"> <a href="namespaces/occ.html" class="">OCC</a> </h4> <ul class="phpdocumentor-list"> <li> <a href="namespaces/occ-basics.html" class="">Basics</a> </li> </ul> </section> <section class="phpdocumentor-sidebar__category"> <h2 class="phpdocumentor-sidebar__category-header">Packages</h2> <h4 class="phpdocumentor-sidebar__root-namespace"> <a href="packages/Basics.html" class="">Basics</a> </h4> <ul class="phpdocumentor-list"> <li> <a href="packages/Basics-DataStructures.html" class="">DataStructures</a> </li> <li> <a href="packages/Basics-ErrorHandlers.html" class="">ErrorHandlers</a> </li> <li> <a href="packages/Basics-InterfaceTraits.html" class="">InterfaceTraits</a> </li> <li> <a href="packages/Basics-Traits.html" class="">Traits</a> </li> </ul> </section> <section class="phpdocumentor-sidebar__category"> <h2 class="phpdocumentor-sidebar__category-header">Reports</h2> <h3 class="phpdocumentor-sidebar__root-package"><a href="reports/deprecated.html">Deprecated</a></h3> <h3 class="phpdocumentor-sidebar__root-package"><a href="reports/errors.html">Errors</a></h3> <h3 class="phpdocumentor-sidebar__root-package"><a href="reports/markers.html">Markers</a></h3> </section> <section class="phpdocumentor-sidebar__category"> <h2 class="phpdocumentor-sidebar__category-header">Indices</h2> <h3 class="phpdocumentor-sidebar__root-package"><a href="indices/files.html">Files</a></h3> </section> </aside> <div class="phpdocumentor-column -nine phpdocumentor-content"> <section> <ul class="phpdocumentor-breadcrumbs"> <li class="phpdocumentor-breadcrumb"><a href="namespaces/occ.html">OCC</a></li> <li class="phpdocumentor-breadcrumb"><a href="namespaces/occ-basics.html">Basics</a></li> <li class="phpdocumentor-breadcrumb"><a href="namespaces/occ-basics-datastructures.html">DataStructures</a></li> </ul> <article class="phpdocumentor-element -class"> <h2 class="phpdocumentor-content__title"> Collection <div class="phpdocumentor-element__package"> in package <ul class="phpdocumentor-breadcrumbs"> <li class="phpdocumentor-breadcrumb"><a href="packages/Basics.html">Basics</a></li> <li class="phpdocumentor-breadcrumb"><a href="packages/Basics-DataStructures.html">DataStructures</a></li> </ul> </div> <span class="phpdocumentor-element__implements"> implements <abbr title="\ArrayAccess">ArrayAccess</abbr>, <abbr title="\Countable">Countable</abbr>, <abbr title="\IteratorAggregate">IteratorAggregate</abbr> </span> <span class="phpdocumentor-element__extends"> Uses <a href="classes/OCC-Basics-InterfaceTraits-ArrayAccessTrait.html"><abbr title="\OCC\Basics\InterfaceTraits\ArrayAccessTrait">ArrayAccessTrait</abbr></a>, <a href="classes/OCC-Basics-InterfaceTraits-CountableTrait.html"><abbr title="\OCC\Basics\InterfaceTraits\CountableTrait">CountableTrait</abbr></a>, <a href="classes/OCC-Basics-InterfaceTraits-IteratorAggregateTrait.html"><abbr title="\OCC\Basics\InterfaceTraits\IteratorAggregateTrait">IteratorAggregateTrait</abbr></a> </span> </h2> <div class="phpdocumentor-label-line"> </div> <aside class="phpdocumentor-element-found-in"> <abbr class="phpdocumentor-element-found-in__file" title="src/DataStructures/Collection.php"><a href="files/src-datastructures-collection.html"><abbr title="src/DataStructures/Collection.php">Collection.php</abbr></a></abbr> : <span class="phpdocumentor-element-found-in__line">45</span> <a href="classes/OCC-Basics-DataStructures-Collection.html#source-view.45" class="phpdocumentor-element-found-in__source" data-line="45" data-modal="source-view" data-src="files/src/DataStructures/Collection.php.txt"></a> </aside> <p class="phpdocumentor-summary">A generic collection of items.</p> <h5 class="phpdocumentor-tag-list__heading" id="tags"> Tags <a href="classes/OCC-Basics-DataStructures-Collection.html#tags" class="headerlink"><i class="fas fa-link"></i></a> </h5> <dl class="phpdocumentor-tag-list"> <dt class="phpdocumentor-tag-list__entry"> <span class="phpdocumentor-tag__name">author</span> </dt> <dd class="phpdocumentor-tag-list__definition"> <section class="phpdocumentor-description"><p>Sebastian Meyer <a href="mailto:sebastian.meyer@opencultureconsulting.com">sebastian.meyer@opencultureconsulting.com</a></p> </section> </dd> <dt class="phpdocumentor-tag-list__entry"> <span class="phpdocumentor-tag__name">template</span> </dt> <dd class="phpdocumentor-tag-list__definition"> <section class="phpdocumentor-description"><p>Item of mixed</p> </section> </dd> </dl> <h3 id="toc"> Table of Contents <a href="classes/OCC-Basics-DataStructures-Collection.html#toc" class="headerlink"><i class="fas fa-link"></i></a> </h3> <h4 id="toc-interfaces"> Interfaces <a href="classes/OCC-Basics-DataStructures-Collection.html#toc-interfaces" class="headerlink"><i class="fas fa-link"></i></a> </h4> <dl class="phpdocumentor-table-of-contents"> <dt class="phpdocumentor-table-of-contents__entry -interface"><abbr title="\ArrayAccess">ArrayAccess</abbr></dt> <dt class="phpdocumentor-table-of-contents__entry -interface"><abbr title="\Countable">Countable</abbr></dt> <dt class="phpdocumentor-table-of-contents__entry -interface"><abbr title="\IteratorAggregate">IteratorAggregate</abbr></dt> </dl> <h4 id="toc-properties"> Properties <a href="classes/OCC-Basics-DataStructures-Collection.html#toc-properties" class="headerlink"><i class="fas fa-link"></i></a> </h4> <dl class="phpdocumentor-table-of-contents"> <dt class="phpdocumentor-table-of-contents__entry -property -protected"> <a href="classes/OCC-Basics-InterfaceTraits-IteratorAggregateTrait.html#property_data">$data</a> <span> : array<string|int, <abbr title="\OCC\Basics\InterfaceTraits\TValue">TValue</abbr>> </span> </dt> <dd>Holds the iterable data.</dd> </dl> <h4 id="toc-methods"> Methods <a href="classes/OCC-Basics-DataStructures-Collection.html#toc-methods" class="headerlink"><i class="fas fa-link"></i></a> </h4> <dl class="phpdocumentor-table-of-contents"> <dt class="phpdocumentor-table-of-contents__entry -method -public"> <a href="classes/OCC-Basics-DataStructures-Collection.html#method___construct">__construct()</a> <span> : void </span> </dt> <dd>Create a collection of items.</dd> <dt class="phpdocumentor-table-of-contents__entry -method -public"> <a href="classes/OCC-Basics-DataStructures-Collection.html#method___get">__get()</a> <span> : <abbr title="\OCC\Basics\DataStructures\Item">Item</abbr>|null </span> </dt> <dd>Magic method to read collection items as properties.</dd> <dt class="phpdocumentor-table-of-contents__entry -method -public"> <a href="classes/OCC-Basics-DataStructures-Collection.html#method___set">__set()</a> <span> : void </span> </dt> <dd>Magic method to write collection items as properties.</dd> <dt class="phpdocumentor-table-of-contents__entry -method -public"> <a href="classes/OCC-Basics-DataStructures-Collection.html#method_add">add()</a> <span> : void </span> </dt> <dd>Add an item to the collection.</dd> <dt class="phpdocumentor-table-of-contents__entry -method -public"> <a href="classes/OCC-Basics-DataStructures-Collection.html#method_clear">clear()</a> <span> : void </span> </dt> <dd>Clear the collection of any items.</dd> <dt class="phpdocumentor-table-of-contents__entry -method -public"> <a href="classes/OCC-Basics-DataStructures-Collection.html#method_copy">copy()</a> <span> : <a href="classes/OCC-Basics-DataStructures-Collection.html"><abbr title="\OCC\Basics\DataStructures\Collection">Collection</abbr></a><string|int, <abbr title="\OCC\Basics\DataStructures\Item">Item</abbr>> </span> </dt> <dd>Get a new collection with the same set of items.</dd> <dt class="phpdocumentor-table-of-contents__entry -method -public"> <a href="classes/OCC-Basics-DataStructures-Collection.html#method_get">get()</a> <span> : <abbr title="\OCC\Basics\DataStructures\Item">Item</abbr>|null </span> </dt> <dd>Get the item at the specified index.</dd> <dt class="phpdocumentor-table-of-contents__entry -method -public"> <a href="classes/OCC-Basics-DataStructures-Collection.html#method_isEmpty">isEmpty()</a> <span> : bool </span> </dt> <dd>Check if collection is empty.</dd> <dt class="phpdocumentor-table-of-contents__entry -method -public"> <a href="classes/OCC-Basics-DataStructures-Collection.html#method_remove">remove()</a> <span> : void </span> </dt> <dd>Remove an item from the collection.</dd> <dt class="phpdocumentor-table-of-contents__entry -method -public"> <a href="classes/OCC-Basics-DataStructures-Collection.html#method_set">set()</a> <span> : void </span> </dt> <dd>Set the item at the specified index.</dd> <dt class="phpdocumentor-table-of-contents__entry -method -public"> <a href="classes/OCC-Basics-DataStructures-Collection.html#method_toArray">toArray()</a> <span> : array<string|int, <abbr title="\OCC\Basics\DataStructures\Item">Item</abbr>> </span> </dt> <dd>Return array representation of collection.</dd> </dl> <section class="phpdocumentor-properties"> <h3 class="phpdocumentor-elements__header" id="properties"> Properties <a href="classes/OCC-Basics-DataStructures-Collection.html#properties" class="headerlink"><i class="fas fa-link"></i></a> </h3> <article class=" phpdocumentor-element -property -protected " > <h4 class="phpdocumentor-element__name" id="property_data"> $data <a href="classes/OCC-Basics-InterfaceTraits-IteratorAggregateTrait.html#property_data" class="headerlink"><i class="fas fa-link"></i></a> <span class="phpdocumentor-element__modifiers"> </span> </h4> <aside class="phpdocumentor-element-found-in"> <abbr class="phpdocumentor-element-found-in__file" title="src/InterfaceTraits/IteratorAggregateTrait.php"><a href="files/src-interfacetraits-iteratoraggregatetrait.html"><abbr title="src/InterfaceTraits/IteratorAggregateTrait.php">IteratorAggregateTrait.php</abbr></a></abbr> : <span class="phpdocumentor-element-found-in__line">48</span> <a href="classes/OCC-Basics-DataStructures-Collection.html#source-view.48" class="phpdocumentor-element-found-in__source" data-line="48" data-modal="source-view" data-src="files/src/InterfaceTraits/IteratorAggregateTrait.php.txt"></a> </aside> <p class="phpdocumentor-summary">Holds the iterable data.</p> <code class="phpdocumentor-code phpdocumentor-signature "> <span class="phpdocumentor-signature__visibility">protected</span> <span class="phpdocumentor-signature__type">array<string|int, <abbr title="\OCC\Basics\InterfaceTraits\TValue">TValue</abbr>></span> <span class="phpdocumentor-signature__name">$data</span> = <span class="phpdocumentor-signature__default-value">[]</span></code> </article> </section> <section class="phpdocumentor-methods"> <h3 class="phpdocumentor-elements__header" id="methods"> Methods <a href="classes/OCC-Basics-DataStructures-Collection.html#methods" class="headerlink"><i class="fas fa-link"></i></a> </h3> <article class="phpdocumentor-element -method -public " > <h4 class="phpdocumentor-element__name" id="method___construct"> __construct() <a href="classes/OCC-Basics-DataStructures-Collection.html#method___construct" class="headerlink"><i class="fas fa-link"></i></a> </h4> <aside class="phpdocumentor-element-found-in"> <abbr class="phpdocumentor-element-found-in__file" title="src/DataStructures/Collection.php"><a href="files/src-datastructures-collection.html"><abbr title="src/DataStructures/Collection.php">Collection.php</abbr></a></abbr> : <span class="phpdocumentor-element-found-in__line">166</span> <a href="classes/OCC-Basics-DataStructures-Collection.html#source-view.166" class="phpdocumentor-element-found-in__source" data-line="166" data-modal="source-view" data-src="files/src/DataStructures/Collection.php.txt"></a> </aside> <p class="phpdocumentor-summary">Create a collection of items.</p> <code class="phpdocumentor-code phpdocumentor-signature "> <span class="phpdocumentor-signature__visibility">public</span> <span class="phpdocumentor-signature__name">__construct</span><span>(</span><span class="phpdocumentor-signature__argument"><span>[</span><span class="phpdocumentor-signature__argument__return-type">array<string|int, <abbr title="\OCC\Basics\DataStructures\Item">Item</abbr>> </span><span class="phpdocumentor-signature__argument__name">$items</span><span> = </span><span class="phpdocumentor-signature__argument__default-value">[]</span><span> ]</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">void</span></code> <div class="phpdocumentor-label-line"> </div> <h5 class="phpdocumentor-argument-list__heading">Parameters</h5> <dl class="phpdocumentor-argument-list"> <dt class="phpdocumentor-argument-list__entry"> <span class="phpdocumentor-signature__argument__name">$items</span> : <span class="phpdocumentor-signature__argument__return-type">array<string|int, <abbr title="\OCC\Basics\DataStructures\Item">Item</abbr>></span> = <span class="phpdocumentor-signature__argument__default-value">[]</span> </dt> <dd class="phpdocumentor-argument-list__definition"> <section class="phpdocumentor-description"><p>Initial set of items</p> </section> </dd> </dl> </article> <article class="phpdocumentor-element -method -public " > <h4 class="phpdocumentor-element__name" id="method___get"> __get() <a href="classes/OCC-Basics-DataStructures-Collection.html#method___get" class="headerlink"><i class="fas fa-link"></i></a> </h4> <aside class="phpdocumentor-element-found-in"> <abbr class="phpdocumentor-element-found-in__file" title="src/DataStructures/Collection.php"><a href="files/src-datastructures-collection.html"><abbr title="src/DataStructures/Collection.php">Collection.php</abbr></a></abbr> : <span class="phpdocumentor-element-found-in__line">178</span> <a href="classes/OCC-Basics-DataStructures-Collection.html#source-view.178" class="phpdocumentor-element-found-in__source" data-line="178" data-modal="source-view" data-src="files/src/DataStructures/Collection.php.txt"></a> </aside> <p class="phpdocumentor-summary">Magic method to read collection items as properties.</p> <code class="phpdocumentor-code phpdocumentor-signature "> <span class="phpdocumentor-signature__visibility">public</span> <span class="phpdocumentor-signature__name">__get</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string|int </span><span class="phpdocumentor-signature__argument__name">$key</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type"><abbr title="\OCC\Basics\DataStructures\Item">Item</abbr>|null</span></code> <div class="phpdocumentor-label-line"> </div> <h5 class="phpdocumentor-argument-list__heading">Parameters</h5> <dl class="phpdocumentor-argument-list"> <dt class="phpdocumentor-argument-list__entry"> <span class="phpdocumentor-signature__argument__name">$key</span> : <span class="phpdocumentor-signature__argument__return-type">string|int</span> </dt> <dd class="phpdocumentor-argument-list__definition"> <section class="phpdocumentor-description"><p>The item's index</p> </section> </dd> </dl> <section> <h5 class="phpdocumentor-return-value__heading">Return values</h5> <span class="phpdocumentor-signature__response_type"><abbr title="\OCC\Basics\DataStructures\Item">Item</abbr>|null</span> — <section class="phpdocumentor-description"><p>The item or NULL if key is invalid</p> </section> </section> </article> <article class="phpdocumentor-element -method -public " > <h4 class="phpdocumentor-element__name" id="method___set"> __set() <a href="classes/OCC-Basics-DataStructures-Collection.html#method___set" class="headerlink"><i class="fas fa-link"></i></a> </h4> <aside class="phpdocumentor-element-found-in"> <abbr class="phpdocumentor-element-found-in__file" title="src/DataStructures/Collection.php"><a href="files/src-datastructures-collection.html"><abbr title="src/DataStructures/Collection.php">Collection.php</abbr></a></abbr> : <span class="phpdocumentor-element-found-in__line">191</span> <a href="classes/OCC-Basics-DataStructures-Collection.html#source-view.191" class="phpdocumentor-element-found-in__source" data-line="191" data-modal="source-view" data-src="files/src/DataStructures/Collection.php.txt"></a> </aside> <p class="phpdocumentor-summary">Magic method to write collection items as properties.</p> <code class="phpdocumentor-code phpdocumentor-signature "> <span class="phpdocumentor-signature__visibility">public</span> <span class="phpdocumentor-signature__name">__set</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string|int </span><span class="phpdocumentor-signature__argument__name">$key</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type"><abbr title="\OCC\Basics\DataStructures\Item">Item</abbr> </span><span class="phpdocumentor-signature__argument__name">$item</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">void</span></code> <div class="phpdocumentor-label-line"> </div> <h5 class="phpdocumentor-argument-list__heading">Parameters</h5> <dl class="phpdocumentor-argument-list"> <dt class="phpdocumentor-argument-list__entry"> <span class="phpdocumentor-signature__argument__name">$key</span> : <span class="phpdocumentor-signature__argument__return-type">string|int</span> </dt> <dd class="phpdocumentor-argument-list__definition"> <section class="phpdocumentor-description"><p>The new item's index</p> </section> </dd> <dt class="phpdocumentor-argument-list__entry"> <span class="phpdocumentor-signature__argument__name">$item</span> : <span class="phpdocumentor-signature__argument__return-type"><abbr title="\OCC\Basics\DataStructures\Item">Item</abbr></span> </dt> <dd class="phpdocumentor-argument-list__definition"> <section class="phpdocumentor-description"><p>The new item</p> </section> </dd> </dl> </article> <article class="phpdocumentor-element -method -public " > <h4 class="phpdocumentor-element__name" id="method_add"> add() <a href="classes/OCC-Basics-DataStructures-Collection.html#method_add" class="headerlink"><i class="fas fa-link"></i></a> </h4> <aside class="phpdocumentor-element-found-in"> <abbr class="phpdocumentor-element-found-in__file" title="src/DataStructures/Collection.php"><a href="files/src-datastructures-collection.html"><abbr title="src/DataStructures/Collection.php">Collection.php</abbr></a></abbr> : <span class="phpdocumentor-element-found-in__line">63</span> <a href="classes/OCC-Basics-DataStructures-Collection.html#source-view.63" class="phpdocumentor-element-found-in__source" data-line="63" data-modal="source-view" data-src="files/src/DataStructures/Collection.php.txt"></a> </aside> <p class="phpdocumentor-summary">Add an item to the collection.</p> <code class="phpdocumentor-code phpdocumentor-signature "> <span class="phpdocumentor-signature__visibility">public</span> <span class="phpdocumentor-signature__name">add</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type"><abbr title="\OCC\Basics\DataStructures\Item">Item</abbr> </span><span class="phpdocumentor-signature__argument__name">$item</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">void</span></code> <div class="phpdocumentor-label-line"> <div class="phpdocumentor-label phpdocumentor-label--success"><span>API</span><span>Yes</span></div> </div> <h5 class="phpdocumentor-argument-list__heading">Parameters</h5> <dl class="phpdocumentor-argument-list"> <dt class="phpdocumentor-argument-list__entry"> <span class="phpdocumentor-signature__argument__name">$item</span> : <span class="phpdocumentor-signature__argument__return-type"><abbr title="\OCC\Basics\DataStructures\Item">Item</abbr></span> </dt> <dd class="phpdocumentor-argument-list__definition"> <section class="phpdocumentor-description"><p>The new item</p> </section> </dd> </dl> </article> <article class="phpdocumentor-element -method -public " > <h4 class="phpdocumentor-element__name" id="method_clear"> clear() <a href="classes/OCC-Basics-DataStructures-Collection.html#method_clear" class="headerlink"><i class="fas fa-link"></i></a> </h4> <aside class="phpdocumentor-element-found-in"> <abbr class="phpdocumentor-element-found-in__file" title="src/DataStructures/Collection.php"><a href="files/src-datastructures-collection.html"><abbr title="src/DataStructures/Collection.php">Collection.php</abbr></a></abbr> : <span class="phpdocumentor-element-found-in__line">75</span> <a href="classes/OCC-Basics-DataStructures-Collection.html#source-view.75" class="phpdocumentor-element-found-in__source" data-line="75" data-modal="source-view" data-src="files/src/DataStructures/Collection.php.txt"></a> </aside> <p class="phpdocumentor-summary">Clear the collection of any items.</p> <code class="phpdocumentor-code phpdocumentor-signature "> <span class="phpdocumentor-signature__visibility">public</span> <span class="phpdocumentor-signature__name">clear</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">void</span></code> <div class="phpdocumentor-label-line"> <div class="phpdocumentor-label phpdocumentor-label--success"><span>API</span><span>Yes</span></div> </div> </article> <article class="phpdocumentor-element -method -public " > <h4 class="phpdocumentor-element__name" id="method_copy"> copy() <a href="classes/OCC-Basics-DataStructures-Collection.html#method_copy" class="headerlink"><i class="fas fa-link"></i></a> </h4> <aside class="phpdocumentor-element-found-in"> <abbr class="phpdocumentor-element-found-in__file" title="src/DataStructures/Collection.php"><a href="files/src-datastructures-collection.html"><abbr title="src/DataStructures/Collection.php">Collection.php</abbr></a></abbr> : <span class="phpdocumentor-element-found-in__line">87</span> <a href="classes/OCC-Basics-DataStructures-Collection.html#source-view.87" class="phpdocumentor-element-found-in__source" data-line="87" data-modal="source-view" data-src="files/src/DataStructures/Collection.php.txt"></a> </aside> <p class="phpdocumentor-summary">Get a new collection with the same set of items.</p> <code class="phpdocumentor-code phpdocumentor-signature "> <span class="phpdocumentor-signature__visibility">public</span> <span class="phpdocumentor-signature__name">copy</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type"><a href="classes/OCC-Basics-DataStructures-Collection.html"><abbr title="\OCC\Basics\DataStructures\Collection">Collection</abbr></a><string|int, <abbr title="\OCC\Basics\DataStructures\Item">Item</abbr>></span></code> <div class="phpdocumentor-label-line"> <div class="phpdocumentor-label phpdocumentor-label--success"><span>API</span><span>Yes</span></div> </div> <section> <h5 class="phpdocumentor-return-value__heading">Return values</h5> <span class="phpdocumentor-signature__response_type"><a href="classes/OCC-Basics-DataStructures-Collection.html"><abbr title="\OCC\Basics\DataStructures\Collection">Collection</abbr></a><string|int, <abbr title="\OCC\Basics\DataStructures\Item">Item</abbr>></span> — <section class="phpdocumentor-description"><p>The new collection with the same items</p> </section> </section> </article> <article class="phpdocumentor-element -method -public " > <h4 class="phpdocumentor-element__name" id="method_get"> get() <a href="classes/OCC-Basics-DataStructures-Collection.html#method_get" class="headerlink"><i class="fas fa-link"></i></a> </h4> <aside class="phpdocumentor-element-found-in"> <abbr class="phpdocumentor-element-found-in__file" title="src/DataStructures/Collection.php"><a href="files/src-datastructures-collection.html"><abbr title="src/DataStructures/Collection.php">Collection.php</abbr></a></abbr> : <span class="phpdocumentor-element-found-in__line">101</span> <a href="classes/OCC-Basics-DataStructures-Collection.html#source-view.101" class="phpdocumentor-element-found-in__source" data-line="101" data-modal="source-view" data-src="files/src/DataStructures/Collection.php.txt"></a> </aside> <p class="phpdocumentor-summary">Get the item at the specified index.</p> <code class="phpdocumentor-code phpdocumentor-signature "> <span class="phpdocumentor-signature__visibility">public</span> <span class="phpdocumentor-signature__name">get</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string|int </span><span class="phpdocumentor-signature__argument__name">$key</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type"><abbr title="\OCC\Basics\DataStructures\Item">Item</abbr>|null</span></code> <div class="phpdocumentor-label-line"> <div class="phpdocumentor-label phpdocumentor-label--success"><span>API</span><span>Yes</span></div> </div> <h5 class="phpdocumentor-argument-list__heading">Parameters</h5> <dl class="phpdocumentor-argument-list"> <dt class="phpdocumentor-argument-list__entry"> <span class="phpdocumentor-signature__argument__name">$key</span> : <span class="phpdocumentor-signature__argument__return-type">string|int</span> </dt> <dd class="phpdocumentor-argument-list__definition"> <section class="phpdocumentor-description"><p>The item's index</p> </section> </dd> </dl> <section> <h5 class="phpdocumentor-return-value__heading">Return values</h5> <span class="phpdocumentor-signature__response_type"><abbr title="\OCC\Basics\DataStructures\Item">Item</abbr>|null</span> — <section class="phpdocumentor-description"><p>The item or NULL if key is invalid</p> </section> </section> </article> <article class="phpdocumentor-element -method -public " > <h4 class="phpdocumentor-element__name" id="method_isEmpty"> isEmpty() <a href="classes/OCC-Basics-DataStructures-Collection.html#method_isEmpty" class="headerlink"><i class="fas fa-link"></i></a> </h4> <aside class="phpdocumentor-element-found-in"> <abbr class="phpdocumentor-element-found-in__file" title="src/DataStructures/Collection.php"><a href="files/src-datastructures-collection.html"><abbr title="src/DataStructures/Collection.php">Collection.php</abbr></a></abbr> : <span class="phpdocumentor-element-found-in__line">113</span> <a href="classes/OCC-Basics-DataStructures-Collection.html#source-view.113" class="phpdocumentor-element-found-in__source" data-line="113" data-modal="source-view" data-src="files/src/DataStructures/Collection.php.txt"></a> </aside> <p class="phpdocumentor-summary">Check if collection is empty.</p> <code class="phpdocumentor-code phpdocumentor-signature "> <span class="phpdocumentor-signature__visibility">public</span> <span class="phpdocumentor-signature__name">isEmpty</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">bool</span></code> <div class="phpdocumentor-label-line"> <div class="phpdocumentor-label phpdocumentor-label--success"><span>API</span><span>Yes</span></div> </div> <section> <h5 class="phpdocumentor-return-value__heading">Return values</h5> <span class="phpdocumentor-signature__response_type">bool</span> — <section class="phpdocumentor-description"><p>Whether the collection contains any items</p> </section> </section> </article> <article class="phpdocumentor-element -method -public " > <h4 class="phpdocumentor-element__name" id="method_remove"> remove() <a href="classes/OCC-Basics-DataStructures-Collection.html#method_remove" class="headerlink"><i class="fas fa-link"></i></a> </h4> <aside class="phpdocumentor-element-found-in"> <abbr class="phpdocumentor-element-found-in__file" title="src/DataStructures/Collection.php"><a href="files/src-datastructures-collection.html"><abbr title="src/DataStructures/Collection.php">Collection.php</abbr></a></abbr> : <span class="phpdocumentor-element-found-in__line">127</span> <a href="classes/OCC-Basics-DataStructures-Collection.html#source-view.127" class="phpdocumentor-element-found-in__source" data-line="127" data-modal="source-view" data-src="files/src/DataStructures/Collection.php.txt"></a> </aside> <p class="phpdocumentor-summary">Remove an item from the collection.</p> <code class="phpdocumentor-code phpdocumentor-signature "> <span class="phpdocumentor-signature__visibility">public</span> <span class="phpdocumentor-signature__name">remove</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string|int </span><span class="phpdocumentor-signature__argument__name">$key</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">void</span></code> <div class="phpdocumentor-label-line"> <div class="phpdocumentor-label phpdocumentor-label--success"><span>API</span><span>Yes</span></div> </div> <h5 class="phpdocumentor-argument-list__heading">Parameters</h5> <dl class="phpdocumentor-argument-list"> <dt class="phpdocumentor-argument-list__entry"> <span class="phpdocumentor-signature__argument__name">$key</span> : <span class="phpdocumentor-signature__argument__return-type">string|int</span> </dt> <dd class="phpdocumentor-argument-list__definition"> <section class="phpdocumentor-description"><p>The item's key</p> </section> </dd> </dl> </article> <article class="phpdocumentor-element -method -public " > <h4 class="phpdocumentor-element__name" id="method_set"> set() <a href="classes/OCC-Basics-DataStructures-Collection.html#method_set" class="headerlink"><i class="fas fa-link"></i></a> </h4> <aside class="phpdocumentor-element-found-in"> <abbr class="phpdocumentor-element-found-in__file" title="src/DataStructures/Collection.php"><a href="files/src-datastructures-collection.html"><abbr title="src/DataStructures/Collection.php">Collection.php</abbr></a></abbr> : <span class="phpdocumentor-element-found-in__line">142</span> <a href="classes/OCC-Basics-DataStructures-Collection.html#source-view.142" class="phpdocumentor-element-found-in__source" data-line="142" data-modal="source-view" data-src="files/src/DataStructures/Collection.php.txt"></a> </aside> <p class="phpdocumentor-summary">Set the item at the specified index.</p> <code class="phpdocumentor-code phpdocumentor-signature "> <span class="phpdocumentor-signature__visibility">public</span> <span class="phpdocumentor-signature__name">set</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string|int </span><span class="phpdocumentor-signature__argument__name">$key</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type"><abbr title="\OCC\Basics\DataStructures\Item">Item</abbr> </span><span class="phpdocumentor-signature__argument__name">$item</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">void</span></code> <div class="phpdocumentor-label-line"> <div class="phpdocumentor-label phpdocumentor-label--success"><span>API</span><span>Yes</span></div> </div> <h5 class="phpdocumentor-argument-list__heading">Parameters</h5> <dl class="phpdocumentor-argument-list"> <dt class="phpdocumentor-argument-list__entry"> <span class="phpdocumentor-signature__argument__name">$key</span> : <span class="phpdocumentor-signature__argument__return-type">string|int</span> </dt> <dd class="phpdocumentor-argument-list__definition"> <section class="phpdocumentor-description"><p>The new item's index</p> </section> </dd> <dt class="phpdocumentor-argument-list__entry"> <span class="phpdocumentor-signature__argument__name">$item</span> : <span class="phpdocumentor-signature__argument__return-type"><abbr title="\OCC\Basics\DataStructures\Item">Item</abbr></span> </dt> <dd class="phpdocumentor-argument-list__definition"> <section class="phpdocumentor-description"><p>The new item</p> </section> </dd> </dl> </article> <article class="phpdocumentor-element -method -public " > <h4 class="phpdocumentor-element__name" id="method_toArray"> toArray() <a href="classes/OCC-Basics-DataStructures-Collection.html#method_toArray" class="headerlink"><i class="fas fa-link"></i></a> </h4> <aside class="phpdocumentor-element-found-in"> <abbr class="phpdocumentor-element-found-in__file" title="src/DataStructures/Collection.php"><a href="files/src-datastructures-collection.html"><abbr title="src/DataStructures/Collection.php">Collection.php</abbr></a></abbr> : <span class="phpdocumentor-element-found-in__line">154</span> <a href="classes/OCC-Basics-DataStructures-Collection.html#source-view.154" class="phpdocumentor-element-found-in__source" data-line="154" data-modal="source-view" data-src="files/src/DataStructures/Collection.php.txt"></a> </aside> <p class="phpdocumentor-summary">Return array representation of collection.</p> <code class="phpdocumentor-code phpdocumentor-signature "> <span class="phpdocumentor-signature__visibility">public</span> <span class="phpdocumentor-signature__name">toArray</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">array<string|int, <abbr title="\OCC\Basics\DataStructures\Item">Item</abbr>></span></code> <div class="phpdocumentor-label-line"> <div class="phpdocumentor-label phpdocumentor-label--success"><span>API</span><span>Yes</span></div> </div> <section> <h5 class="phpdocumentor-return-value__heading">Return values</h5> <span class="phpdocumentor-signature__response_type">array<string|int, <abbr title="\OCC\Basics\DataStructures\Item">Item</abbr>></span> — <section class="phpdocumentor-description"><p>Array of collection items</p> </section> </section> </article> </section> <div class="phpdocumentor-modal" id="source-view"> <div class="phpdocumentor-modal-bg" data-exit-button></div> <div class="phpdocumentor-modal-container"> <div class="phpdocumentor-modal-content"> <pre style="max-height: 500px; overflow-y: scroll" data-src="files/src/DataStructures/Collection.php.txt" class="language-php line-numbers linkable-line-numbers"></pre> </div> <button data-exit-button class="phpdocumentor-modal__close">×</button> </div> </div> <script type="text/javascript"> (function () { function loadExternalCodeSnippet(el, url, line) { Array.prototype.slice.call(el.querySelectorAll('pre[data-src]')).forEach((pre) => { const src = url || pre.getAttribute('data-src').replace(/\\/g, '/'); const language = 'php'; const code = document.createElement('code'); code.className = 'language-' + language; 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-clean"> <li class="phpdocumentor-on-this-page-section__title">Table Of Contents</li> <li> <ul class="phpdocumentor-list -clean"> <li><a href="classes/OCC-Basics-DataStructures-Collection.html#toc-properties">Properties</a></li> <li><a href="classes/OCC-Basics-DataStructures-Collection.html#toc-methods">Methods</a></li> </ul> </li> <li class="phpdocumentor-on-this-page-section__title">Properties</li> <li> <ul class="phpdocumentor-list -clean"> <li><a href="classes/OCC-Basics-InterfaceTraits-IteratorAggregateTrait.html#property_data">$data<a href="classes/OCC-Basics-DataStructures-Collection.html"></li> </ul> </li> <li class="phpdocumentor-on-this-page-section__title">Methods</li> <li> <ul class="phpdocumentor-list -clean"> <li><a href="classes/OCC-Basics-DataStructures-Collection.html#method___construct">__construct()</a></li> <li><a href="classes/OCC-Basics-DataStructures-Collection.html#method___get">__get()</a></li> <li><a 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