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TokyoTyrantQuery::valid

(PECL tokyo_tyrant >= 0.1.0)

TokyoTyrantQuery::validChecks the validity of current item

Açıklama

public TokyoTyrantQuery::valid ( void ) : bool

Checks if the current item is valid. Part of the Iterator interface

Değiştirgeler

Bu işlevin değiştirgesi yoktur.

Dönen Değerler

Returns TRUE if the current item is valid and FALSE if not.

Örnekler

Örnek 1 TokyoTyrantQuery iterator example

<?php
/* Connect to a table database */
$tt = new TokyoTyrantTable("localhost"1979);

/* Add rows */
$tt->put(null, array("column1" => "some data""column2" => "something here"));
$tt->put(null, array("column1" => "more data""column2" => "best data this far"));
$tt->put(null, array("column1" => "again data""column3" => "foobar here"));
$tt->put(null, array("column45" => "random data""column2" => "something along the lines"));
$tt->put(null, array("column21" => "test data""column2" => "generating.."));
$tt->put(null, array("column1" => "foobar data""column2" => "value here"));

/* Get a new query object */
$query $tt->getQuery();

/* Add a search condition */
$query->addCond("column2"TokyoTyrant::RDBQC_STROR"something");

/* Iterate the results */
foreach ($query as $key => $value) {
    echo 
"pk: $key, columns: "count($value) ,"\n";
}
?>

Yukarıdaki örnek şuna benzer bir çıktı üretir:

pk: 1, columns: 2
pk: 4, columns: 2

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