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|
<?php
/**
* SchemaDb class with standard database procedures and
* configuration.
*/
class SchemaDb {
/**
* Return the required database config.
*
* @return
* Array with required config.
*/
public function required() {
$schema = array(
'db' => array(
'name' => 'dbname',
),
'fields' => array(
),
);
return $schema;
}
/**
* Return the optional database config.
*
* @return
* Array with optional config.
*/
public function optional() {
$schema = array(
'db' => array(
'charset' => 'charset',
),
);
return $schema;
}
/**
* Return an example database schema.
*
* @see IsisDb::example()
*/
public function example() {
$required = SchemaDb::required();
$optional = SchemaDb::optional();
$schema = array(
'db' => array(
'charset' => 'charset',
),
'fields' => array(
1 => array(
'name' => 'field_name',
'size' => 1000,
'format' => 'numeric',
'repeat' => TRUE,
'subfields' => array(
'a' => 'test',
'b' => 'test2',
),
),
),
);
return array_merge_recursive($required, $optional, $schema);
}
/**
* Recursively check for required fields in a database schema.
*
* @see IsisDb::check()
*/
function check($schema, $section = NULL) {
if ($section === NULL) {
$section = SchemaDb::required();
}
foreach ($section as $key => $value) {
if (!isset($schema[$key])) {
throw new Exception('Undefined required parameter '. $key .' on database configuration.');
return FALSE;
}
if (is_array($value)) {
if (SchemaDb::check($schema[$key], $section[$key]) == FALSE) {
return FALSE;
}
}
}
return $schema;
}
}
|
