| 1 |
<?php |
| 2 |
|
| 3 |
function acym_getTables() |
| 4 |
{ |
| 5 |
static $tables = null; |
| 6 |
if (empty($tables)) { |
| 7 |
$tables = acym_loadResultArray('SHOW TABLES'); |
| 8 |
} |
| 9 |
|
| 10 |
return $tables; |
| 11 |
} |
| 12 |
|
| 13 |
function acym_getColumns(string $table, bool $acyTable = true, bool $addPrefix = true) |
| 14 |
{ |
| 15 |
if ($addPrefix) { |
| 16 |
$prefix = $acyTable ? '#__acym_' : '#__'; |
| 17 |
$table = $prefix.$table; |
| 18 |
} |
| 19 |
|
| 20 |
static $columns = []; |
| 21 |
if (empty($columns[$table])) { |
| 22 |
$columns[$table] = acym_loadResultArray('SHOW COLUMNS FROM '.acym_secureDBColumn($table)); |
| 23 |
} |
| 24 |
|
| 25 |
return $columns[$table]; |
| 26 |
} |
| 27 |
|
| 28 |
function acym_secureDBColumn($fieldName) |
| 29 |
{ |
| 30 |
if (!is_string($fieldName) || preg_match('|[^a-z0-9#_.-]|i', $fieldName) !== 0) { |
| 31 |
die('field, table or database "'.acym_escape($fieldName).'" not secured'); |
| 32 |
} |
| 33 |
|
| 34 |
return $fieldName; |
| 35 |
} |
| 36 |
|
| 37 |
function acym_getDatabases() |
| 38 |
{ |
| 39 |
try { |
| 40 |
$allDatabases = acym_loadResultArray('SHOW DATABASES'); |
| 41 |
} catch (Exception $exception) { |
| 42 |
$allDatabases = []; |
| 43 |
$allDatabases[] = acym_loadResult('SELECT DATABASE();'); |
| 44 |
} |
| 45 |
|
| 46 |
$databases = []; |
| 47 |
foreach ($allDatabases as $database) { |
| 48 |
$databases[$database] = $database; |
| 49 |
} |
| 50 |
|
| 51 |
return $databases; |
| 52 |
} |
| 53 |
|
| 54 |
function acym_addLimit(string &$query, int $limit = 1, ?int $offset = null) |
| 55 |
{ |
| 56 |
if (strpos($query, 'LIMIT ') !== false) { |
| 57 |
return; |
| 58 |
} |
| 59 |
|
| 60 |
$query .= ' LIMIT '; |
| 61 |
if (!empty($offset)) { |
| 62 |
$query .= intval($offset).','; |
| 63 |
} |
| 64 |
$query .= intval($limit); |
| 65 |
} |
| 66 |
|
