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<?php
declare(strict_types=1);
namespace Laminas\View\Helper;
use function assert;
use function str_replace;
use function strlen;
use function strpos;
use function substr;
use function trim;
use const PHP_EOL;
abstract class AbstractHtmlElement extends AbstractHelper
{
/**
* EOL character
*
* @deprecated just use PHP_EOL
*/
public const EOL = PHP_EOL;
/**
* The tag closing bracket
*
* @var string
*/
protected $closingBracket;
/**
* Get the tag closing bracket
*
* @return string
*/
public function getClosingBracket()
{
if (! $this->closingBracket) {
if ($this->isXhtml()) {
$this->closingBracket = ' />';
} else {
$this->closingBracket = '>';
}
}
return $this->closingBracket;
}
/**
* Is doctype XHTML?
*
* @return bool
*/
protected function isXhtml()
{
$plugin = $this->getView()->plugin('doctype');
assert($plugin instanceof Doctype);
return $plugin->isXhtml();
}
/**
* Converts an associative array to a string of tag attributes.
*
* @access public
* @param array $attribs From this array, each key-value pair is
* converted to an attribute name and value.
* @return string The XHTML for the attributes.
*/
protected function htmlAttribs($attribs)
{
foreach ((array) $attribs as $key => $val) {
if ('id' === $key) {
$attribs[$key] = $this->normalizeId($val);
}
}
$helper = $this->getView()->plugin(HtmlAttributes::class);
assert($helper instanceof HtmlAttributes);
return (string) $helper($attribs);
}
/**
* Normalize an ID
*
* @param string $value
* @return string
*/
protected function normalizeId($value)
{
if (false !== strpos($value, '[')) {
if ('[]' === substr($value, -2)) {
$value = substr($value, 0, strlen($value) - 2);
}
$value = trim($value, ']');
$value = str_replace('][', '-', $value);
$value = str_replace('[', '-', $value);
}
return $value;
}
}