<h1>Using Substitutions | dibi</h1>
<?php
require_once 'Nette/Debug.php';
require_once '../dibi/dibi.php';
dibi::connect(array('driver' => 'sqlite', 'database' => 'data/sample.sdb'));
// create new substitution :blog: ==> wp_
dibi::addSubst('blog', 'wp_');
dibi::test("SELECT * FROM [:blog:items]");
// -> SELECT * FROM [wp_items]
// create new substitution :: (empty) ==> my_
dibi::addSubst('', 'my_');
dibi::test("UPDATE ::table SET [text]='Hello World'");
// -> UPDATE my_table SET [text]='Hello World'
// create substitutions using fallback callback
function substFallBack($expr)
{
$const = 'SUBST_' . strtoupper($expr);
if (defined($const)) {
return constant($const);
} else {
throw new Exception("Undefined substitution :{$expr}:");
}
}
// define callback
dibi::setSubstFallBack('substFallBack');
// define substitutes as constants
define('SUBST_ACCOUNT', 'eshop_');
define('SUBST_ACTIVE', 7);
dibi::test("\r\n\tUPDATE :account:user\r\n\tSET name='John Doe', status=:active:\r\n\tWHERE id=", 7);
// -> UPDATE eshop_user SET name='John Doe', status=7 WHERE id= 7
