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<?php
namespace Thruster\Component\XMLIterator;
use InvalidArgumentException;
/**
* Class AttributePreg
*
* @package Thruster\Component\XMLIterator
* @author Aurimas Niekis <[email protected]>
*/
class AttributePreg extends AttributeFilterBase
{
* @var string
private $pattern;
* @var bool
private $invert;
* @param ElementIterator $elements
* @param string $attr name of the attribute, '*' for every attribute
* @param string $pattern pcre based regex pattern for the attribute value
* @param bool $invert
* @throws InvalidArgumentException
public function __construct(ElementIterator $elements, string $attr, string $pattern, bool $invert = false)
parent::__construct($elements, $attr);
if (false === preg_match("$pattern", '')) {
throw new InvalidArgumentException("Invalid pcre pattern '$pattern'.");
}
$this->pattern = $pattern;
$this->invert = $invert;
public function accept()
return (bool) preg_grep($this->pattern, $this->getAttributeValues(), $this->invert ? PREG_GREP_INVERT : 0);
ThrusterIO /
xml-iterator
