TokyoTyrantQuery::setOrderTokyoTyrantQuery::valid
(PECL tokyo_tyrant >= 0.1.0)
TokyoTyrantQuery::valid — Checks the validity of current item
Descripción
public bool TokyoTyrantQuery::valid
( void
)
Checks if the current item is valid. Part of the Iterator interface
Parámetros
Esta función no tiene parámetros.
Valores devueltos
Returns TRUE if the current item is valid and FALSE if not.
Ejemplos
Ejemplo #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";
}
?>
El resultado del ejemplo sería algo similar a:
pk: 1, columns: 2 pk: 4, columns: 2
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