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<?php |
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declare(strict_types=1); |
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namespace HexMakina\Marker; |
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/** |
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* The Element class provides a simple and useful implementation for creating, and generating valid HTML elements using PHP |
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* The __toString() method of the Element class generates the HTML code for the element based on its tag, attributes, and content |
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* |
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* Additionally, the Element class provides a static shorthand syntax, using __callStatic() matching the name of the HTML Element to create |
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* |
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* The first argument is the content, the second are the attributes |
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* |
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* $abbr = Element::abbr('RTFM', ['title' => 'read the file manual']); |
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* $p = Element:p('You reading this means you know about '.$abbr); |
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* echo $p; // <p>You reading this means you know about <abbr title="read the file manual">RTFM</abbr></p> |
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* |
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* ::span('inner text', ['class' => 'd-block']) |
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* ::p('lorem ipsum') |
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* ::img(null, ['src' => 'path/to/jpeg.png', alt='hyper descriptive', 'width' => 100, 'height'=>100]) |
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* ::a('click here', ['href' => 'url/to/destination', 'class' => 'nav-link']) |
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* ::a('anchor title', ['name' => 'anchor_name']) |
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* |
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* Regarding the attributes array, the keys represent the attribute names, and the values represent the attribute values. |
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* If an attribute key is an integer, the corresponding attribute name and value are treated as a boolean attribute. |
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* |
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* |
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* Example usage: |
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* |
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* ``` |
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* $element = new Element('section', 'Hello World!', [ |
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* 'id' => 'publication', |
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* 'class' => 'container', |
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* 'data-toggle' => 'modal', |
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* 'data-target' => '#myModal', |
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* ]); |
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* |
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* <section id="publication" class="container" data-toggle="modal" "data-target"="#myModal">Hello World!</section> |
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* ``` |
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* |
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* Or, with void element and boolean attributes: |
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* |
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* $element = new Element('input', null, [ |
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* 'type' => 'checkbox', |
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* 'checked', |
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* 'disabled', |
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* 'class' => 'checkbutton' |
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* ]); |
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* |
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* <input type="checkbox" checked disabled class="checkbutton"/> |
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* |
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*/ |
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class Element |
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{ |
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protected string $tag; |
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protected ?string $content; |
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protected array $attributes = []; |
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// shorthand syntax for creating elements |
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public static function __callStatic(string $tag, array $arguments): Element |
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{ |
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return new Element($tag, $arguments[0] ?? null, $arguments[1] ?? []); |
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} |
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/** |
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* Creates a new Element instance. |
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* |
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* @param string $tag The HTML tag for the element. |
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* @param string|null $content The content of the element (optional). |
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* @param mixed[] $attributes An array of attributes for the element (optional). |
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* |
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*/ |
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public function __construct(string $tag, string $content = null, array $attributes = []) |
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{ |
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$this->tag = $tag; |
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$this->content = $content; |
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foreach ($attributes as $name => $value) { |
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if(is_int($name)) { |
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$name = $value; |
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} |
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$this->$name = $value; |
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} |
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} |
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/** |
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* Magic method to set element attributes. |
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* |
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* If the value is an array, it is imploded using a space character. |
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* If the value is null or empty, the attribute is removed. |
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* If the attribute name equals it's value, the attribute is treated as |
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* a boolean attribute (checked, disabled, etc.) and not formatted |
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* |
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* @param string $name The name of the attribute. |
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* @param mixed $value The value of the attribute. |
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* @return void |
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*/ |
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public function __set(string $name, $value) |
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{ |
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if (is_array($value)) { |
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$value = implode(' ', $value); |
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} |
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if ($value === null || $value === '') { |
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unset($this->attributes[$name]); |
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} else { |
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$this->attributes[$name] = ($name === $value) ? $value : sprintf('%s="%s"', $name, $value); |
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} |
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} |
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/** |
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* This method returns the string representation of the Element object by formatting the tag, attributes, and content |
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* of the element based on whether it is a void element or not. If the element is a void element, it returns the tag and |
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* attributes only. Otherwise, it returns the tag, attributes, content, and closing tag. |
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* |
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* @return string The string representation of the Element object. |
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*/ |
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public function __toString(): string |
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{ |
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$attributes = empty($this->attributes) ? '' : ' '.implode(' ', $this->attributes); |
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return is_null($this->content) |
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? sprintf('<%s%s/>', $this->tag, $attributes) |
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: sprintf('<%s%s>%s</%s>', $this->tag, $attributes, $this->content, $this->tag); |
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} |
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} |
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HexMakina /
Marker
