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<h1>Using Substitutions | dibi</h1>
<?php
require __DIR__ . '/../src/loader.php';
dibi::connect([
'driver' => 'sqlite3',
'database' => 'data/sample.s3db',
]);
// create new substitution :blog: ==> wp_
dibi::getSubstitutes()->blog = 'wp_';
dibi::test('SELECT * FROM [:blog:items]');
// -> SELECT * FROM [wp_items]
// create new substitution :: (empty) ==> my_
dibi::getSubstitutes()->{''} = '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::getSubstitutes()->setCallback('substFallBack');
// define substitutes as constants
define('SUBST_ACCOUNT', 'eshop_');
define('SUBST_ACTIVE', 7);
dibi::test("
UPDATE :account:user
SET name='John Doe', status=:active:
WHERE id=", 7
);
// -> UPDATE eshop_user SET name='John Doe', status=7 WHERE id= 7