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<?php |
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declare(strict_types=1); |
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namespace HexMakina\Marker; |
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class Element |
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{ |
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protected string $tag; |
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protected ?string $inner = null; |
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protected array $attributes = []; |
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protected $formatter = null; |
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// magic method to create an instance of Element statically |
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public static function __callStatic(string $tag, array $arguments): self |
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{ |
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return new self($tag, $arguments[0] ?? null, $arguments[1] ?? [], $arguments[2] ?? null); |
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} |
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/** |
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* Element constructor. |
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* |
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* The attributes array can contain: |
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* - boolean attributes ['checked', 'selected', 'disabled'], which are set to their name |
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* - string attributes ['id' => 'foo', 'name' => 'bar', 'class' => "foo bar"] |
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* - a mix of both ['id' => 'foo', 'checked', 'class' => "foo bar"] |
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* |
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* If not provided, the default callable $formatter uses htmlspecialchars with ENT_QUOTES |
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* |
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* @param string $tag HTML tag name |
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* @param string $inner inner HTML content |
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* @param array $attributes HTML attributes |
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* @param callable|bool $formatter function to format attribute values and inner content |
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*/ |
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public function __construct(string $tag, string $inner = null, array $attributes = [], $formatter = null) |
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{ |
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$this->tag = $tag; |
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$this->inner = $inner; |
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foreach ($attributes as $name => $value) { |
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// is boolean attribute ? |
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if (is_int($name)) { |
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$this->$value = true; |
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} else { |
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$this->$name = $value; |
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} |
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} |
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$this->formatter = $formatter === false ? fn($v) => $v : $formatter ?? fn($value) => htmlspecialchars($value ?? '', ENT_QUOTES); |
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} |
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// magic methods to set, get, check and unset attributes |
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// for boolean attribute, set to true |
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public function __set(string $name, $value = null) |
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{ |
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$this->attributes[$name] = is_array($value) ? implode(' ', $value) : $value; |
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} |
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public function __get(string $name) |
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{ |
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return $this->attributes[$name] ?? null; |
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} |
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public function __isset(string $name): bool |
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{ |
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return isset($this->attributes[$name]); |
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} |
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public function __unset(string $name) |
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{ |
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unset($this->attributes[$name]); |
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} |
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// magic method to render the HTML element |
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public function __toString(): string |
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{ |
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$attributes = ''; |
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foreach ($this->attributes as $name => $value) { |
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$name = ($this->formatter)($name); |
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$attributes .= ' ' . ($value === true ? $name : sprintf('%s="%s"', $name, ($this->formatter)((string)$value))); |
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} |
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return $this->inner === null |
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? sprintf('<%s%s/>', $this->tag, $attributes) |
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: sprintf('<%s%s>%s</%s>', $this->tag, $attributes, ($this->formatter)($this->inner), $this->tag); |
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} |
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} |
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HexMakina /
Marker
