<?php $doc = new DOMDocument; // We don't want to bother with white spaces $doc->preserveWhiteSpace = false; $doc->strictErrorChecking = false; $doc->recover = true; $doc->loadHTMLFile('https://www.bloomberg.com/quote/USDJPY:CUR'); $xpath = new DOMXPath($doc); $query = "//meta[@itemprop='priceChangePercent']"; $entries = $xpath->query($query); foreach ($entries as $entry) { $result = trim($entry->getAttribute('content')); $ret_ = explode(' ', $result); //make sure every element in the array don't start or end with blank foreach ($ret_ as $key=>$val){ $ret_[$key]=trim($val); } //delete the empty element and the element is blank "\n" "\r" "\t" //I modify this line $ret_ = array_values(array_filter($ret_,deleteBlankInArray)); //echo the last element echo $ret_[0]; } ?>
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