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@ 2016-03-10T19:09:02Z

<?php

$x = '<?xml version="1.0" encoding="utf-8"?>
<SHOP>
  <SHOPITEM>
    <name>BLUE product</name>
    <IMGURL>main_picture.jpg</IMGURL>
    <PRODUCT_VARIANT id="2">
      <name>blue L</name>
      <IMGURL>blue.jpg</IMGURL>
    </PRODUCT_VARIANT>
    <PRODUCT_VARIANT id="3">
      <name>BLUE XL</name>
      <IMGURL>blue.jpg</IMGURL>
    </PRODUCT_VARIANT>
    <PRODUCT_VARIANT id="4">
      <name>BLUE XXL</name>
      <IMGURL>blue.jpg</IMGURL>
    </PRODUCT_VARIANT>
  </SHOPITEM>
</SHOP>';

$dom = new DOMDocument();
$dom->formatOutput = True;
libxml_use_internal_errors( 1 );
$dom->loadXML( $x, LIBXML_NOBLANKS );

$xpath = new DOMXPath( $dom );

$nodes = $xpath->query( '//SHOP/SHOPITEM/PRODUCT_VARIANT/IMGURL' );
//q($nodes->length);
$found = array();

foreach( $nodes as $key => $node )
{
//     $node = $nodes->item( $i );
    if( in_array( $node->nodeValue, $found ) )
    { $node->nodeValue = ''; }
    else
    { $found[] = $node->nodeValue; }
}

echo $dom->saveXML();

Output for git.master, git.master_jit, rfc.property-hooks: <?xml version="1.0" encoding="utf-8"?> <SHOP> <SHOPITEM> <name>BLUE product</name> <IMGURL>main_picture.jpg</IMGURL> <PRODUCT_VARIANT id="2"> <name>blue L</name> <IMGURL>blue.jpg</IMGURL> </PRODUCT_VARIANT> <PRODUCT_VARIANT id="3"> <name>BLUE XL</name> <IMGURL></IMGURL> </PRODUCT_VARIANT> <PRODUCT_VARIANT id="4"> <name>BLUE XXL</name> <IMGURL></IMGURL> </PRODUCT_VARIANT> </SHOPITEM> </SHOP>

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2022-12-01 RFC: Property hooks - included in PHP 8.4
2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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