ContextStackTrait.php

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<?php
 
namespace Sabre\Xml;
 
trait ContextStackTrait {
 
    public $elementMap = [];
 
    public $contextUri;
 
    public $namespaceMap = [];
 
    public $classMap = [];
 
    protected $contextStack = [];
 
    function pushContext() {
 
        $this->contextStack[] = [
            $this->elementMap,
            $this->contextUri,
            $this->namespaceMap,
            $this->classMap
        ];
 
    }
 
    function popContext() {
 
        list(
            $this->elementMap,
            $this->contextUri,
            $this->namespaceMap,
            $this->classMap
        ) = array_pop($this->contextStack);
 
    }
 
}