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@ 2017-01-09T17:47:51Z

<?php
        $t = microtime(1);
        for ($i = 0; $i<100000; $i++){
            count($xml->xpath('*'));
        }
        var_dump(microtime(1)-$t);

        $t = microtime(1);
        for ($i = 0; $i<100000; $i++){
            $xml->count();
            isset($xml->children()->tag);
            $xml->children()->tag;
        }
        var_dump(microtime(1)-$t);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
microtime: documentation ( source)

preferences:dark modelive preview

15.13 ms | 402 KiB | 5 Q