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Editorial Team
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Asked: 2026-06-10T15:27:10+00:00

How can I get just the currency value from a string bellow using php

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How can I get just the currency value from a string bellow using php xpath?

<div class="detalheDir2">
<div class="preco">
R$
<script type="text/javascript">document.write(aZ427014992694557())</script>
24,90
</div>
</div>

I want to get just 24,90

I’m using the query

$xpath->query("descendant::div[@class='detalheDir2']/div[@class='preco']/text()", $child);
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1 Answer

  1. Editorial Team

    If your desired text node is always in this position, you can use indexing like:

    //div[@class='detalheDir2']/div[@class='preco']/text()[2]

    If its always after the a <script> tag you can write:

    //div[@class='detalheDir2']/div[@class='preco']/script/following-sibling::text()

    If its always the last text node you can write

    //div[@class='detalheDir2']/div[@class='preco']/text()[last()]

    Maybe the fact that it contains a , could be the key:

    //div[@class='detalheDir2']/div[@class='preco']/text()[contains(., ',')]

    All of these work for your example, however variance in your input will make any of these break.

    If you only know that it’s there somewhere among the text nodes and only the format sets it apart from the others, you might be better off selecting all the text nodes and iterate through them, and matching with regexps on textContent.

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