javascript阅读php功能

Pow*_*fet 0 javascript php

如何使这个工作.javascript应该通过返回读取php值并显示它.

谢谢,

<html>
<body>
<script type="text/javascript">

var _date = "<?= 

  $xml = new DOMDocument();
  $xml->load( 'http://web.com/public.xml' );
  $elements = $xml->getElementsByTagName( "data" );

  $dates = $xml->getElementsByTagName( "i_data" );
  $_date = $dates->item(0)->nodeValue;
  return $_date;

 ?>";

alert(_date)
</script>
</body>
</html>
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Bas*_*ter 5

尝试以不同的方式组织它:

<?php
  function giveDate(){
    $xml = new DOMDocument(); 
    $xml->load( 'http://web.com/public.xml' ); 
    $elements = $xml->getElementsByTagName( "data" ); 

    $dates = $xml->getElementsByTagName( "i_data" ); 
    $_date = $dates->item(0)->nodeValue; 
    return $_date; 
  }
?>

<script type="text/javascript"> 
  var _date = '<?=giveDate()?>';
  alert(_date) 
</script> 
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