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plurals
  1. PO
    primarykey
    data
    text
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    1. This table or related slice is empty.
    1. POPHP How to merge 2 queries
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      1. PTQuestion
    1. PTAnswer
    1. This table or related slice is empty.
    1. USC. M. Sperberg-McQueen
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. POPHP How to merge 2 queries
      singulars
      1. PTQuestion
    1. This table or related slice is empty.
    1. VO
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      1. PO
      1. This table or related slice is empty.
      1. VTUpMod
    2. VO
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      1. This table or related slice is empty.
      1. VTAcceptedByOriginator
    1. COthank you McQueer, but I still don't understand how to print/treat the output of xpath. Is it an array, a single string or a DOM Element? what the hell I'm freaking out :D and with this query --> //span[@class="LikesCount"][normalize-space(.)] <-- it doesn't normalize anything I'm so frustrated
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      1. PO
      1. USAndrea Puiatti
    2. COFrom an XPath point of view, the XPath expression I gave evaluates to a set of nodes in an XML document. What representation a given programming language and library use for them depends on them, not on XPath. The [PHP documentation](http://www.php.net/manual/en/domxpath.query.php) says that DOMXPath::query returns a value of type `DOMNodelist`; if you know how to work with the results of your existing queries, you should know how to work with the result of the reformulated query. (If you don't, you seem to have a question about PHP's DOM library, not about XPath.)
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      1. PO
      1. USC. M. Sperberg-McQueen
    3. COThe expression `//span[@class='LikesCount']` matches every `span` element with a `class` attribute whose value is "`LikesCount`". Adding the predicate `[normalize-space(.)]` further restricts the result to those `span` elements for which the expression `normalize-space(.)` evaluates to true. The predicate thus has the effect of filtering out any `span` elements which are empty or which contain only whitespace. N.B. The value returned by `normalize-space(.)` is used to evaluate the predicate and then discarded: it will have no effect whatever on the DOM nodes returned.
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      1. USC. M. Sperberg-McQueen
 

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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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