PHPWales 2020 - June 3rd to June 4th

TokyoTyrantQuery::valid

(PECL tokyo_tyrant >= 0.1.0)

TokyoTyrantQuery::validChecks the validity of current item

Descrierea

public TokyoTyrantQuery::valid ( void ) : bool

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

Parametri

Această funcție nu are parametri.

Valorile întoarse

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

Exemple

Example #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";
}
?>

Exemplul de mai sus va afișa ceva similar cu:

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

A se vedea și

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