PHP XML如何輸出漂亮的格式以下是代碼:$doc = new DomDocument('1.0');// create root node$root = $doc->createElement('root');$root = $doc->appendChild($root);$signed_values = array('a' => 'eee', 'b' => 'sd', 'c' => 'df');// process one row at a timeforeach ($signed_values as $key => $val) {
// add node for each row
$occ = $doc->createElement('error');
$occ = $root->appendChild($occ);
// add a child node for each field
foreach ($signed_values as $fieldname => $fieldvalue) {
$child = $doc->createElement($fieldname);
$child = $occ->appendChild($child);
$value = $doc->createTextNode($fieldvalue);
$value = $child->appendChild($value);
}}// get completed xml document$xml_string = $doc->saveXML() ;echo $xml_string;如果我在瀏覽器中打印它,我就不會得到很好的XML結(jié)構(gòu)<xml> \n tab <child> etc.我得到了<xml><child>ee</child></xml>我想成為utf-8這一切都有可能嗎?
3 回答

UYOU
TA貢獻(xiàn)1878條經(jīng)驗(yàn) 獲得超4個贊
您可以嘗試這樣做:
...// get completed xml document$doc->preserveWhiteSpace = false;$doc->formatOutput = true;$xml_string = $doc->saveXML();echo $xml_string;
您可以在創(chuàng)建之后立即設(shè)置這些參數(shù)DOMDocument
:
$doc = new DomDocument('1.0');$doc->preserveWhiteSpace = false;$doc->formatOutput = true;
這可能更簡潔。兩種情況下的輸出都是(演示):
<?xml version="1.0"?><root> <error> <a>eee</a> <b>sd</b> <c>df</c> </error> <error> <a>eee</a> <b>sd</b> <c>df</c> </error> <error> <a>eee</a> <b>sd</b> <c>df</c> </error></root>
我不知道如何更改縮進(jìn)字符DOMDocument
。您可以使用逐行替換(例如preg_replace
)的常規(guī)表達(dá)式對XML進(jìn)行后處理:
$xml_string = preg_replace('/(?:^|\G) /um', "\t", $xml_string);
另外,還有一個整潔的擴(kuò)展tidy_repair_string
,可以很好地打印XML數(shù)據(jù)??梢杂盟付s進(jìn)級別,但是整潔不會輸出制表符。
tidy_repair_string($xml_string, ['input-xml'=> 1, 'indent' => 1, 'wrap' => 0]);

一只斗牛犬
TA貢獻(xiàn)1784條經(jīng)驗(yàn) 獲得超2個贊
<?php $xml = $argv[1];$dom = new DOMDocument();// Initial block (must before load xml string)$dom->preserveWhiteSpace = false;$dom->formatOutput = true;// End initial block$dom->loadXML($xml);$out = $dom->saveXML();print_R($out);
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