/**
* Prepares the field value and retrieve special chars, backup field and data array
*
* @param array $current_row a row of the table
* @param array $column description of column in given table
* @param array $extracted_columnspec associative array containing type,
* spec_in_brackets and possibly
* enum_set_values (another array)
* @param boolean $real_null_value whether column value null or not null
* @param array $gis_data_types list of GIS data types
* @param string $column_name_appendix string to append to column name in input
* @param bool $as_is use the data as is, used in repopulating
*
* @return array $real_null_value, $data, $special_chars, $backup_field,
* $special_chars_encoded
*/
function PMA_getSpecialCharsAndBackupFieldForExistingRow($current_row, $column, $extracted_columnspec, $real_null_value, $gis_data_types, $column_name_appendix, $as_is)
{
$special_chars_encoded = '';
$data = null;
// (we are editing)
if (!isset($current_row[$column['Field']])) {
$real_null_value = true;
$current_row[$column['Field']] = '';
$special_chars = '';
$data = $current_row[$column['Field']];
} elseif ($column['True_Type'] == 'bit') {
$special_chars = $as_is ? $current_row[$column['Field']] : PMA\libraries\Util::printableBitValue($current_row[$column['Field']], $extracted_columnspec['spec_in_brackets']);
} elseif ((substr($column['True_Type'], 0, 9) == 'timestamp' || $column['True_Type'] == 'datetime' || $column['True_Type'] == 'time') && mb_strpos($current_row[$column['Field']], ".") !== false) {
$current_row[$column['Field']] = $as_is ? $current_row[$column['Field']] : PMA\libraries\Util::addMicroseconds($current_row[$column['Field']]);
$special_chars = htmlspecialchars($current_row[$column['Field']]);
} elseif (in_array($column['True_Type'], $gis_data_types)) {
// Convert gis data to Well Know Text format
$current_row[$column['Field']] = $as_is ? $current_row[$column['Field']] : PMA\libraries\Util::asWKT($current_row[$column['Field']], true);
$special_chars = htmlspecialchars($current_row[$column['Field']]);
} else {
// special binary "characters"
if ($column['is_binary'] || $column['is_blob'] && $GLOBALS['cfg']['ProtectBinary'] !== 'all') {
$current_row[$column['Field']] = $as_is ? $current_row[$column['Field']] : bin2hex($current_row[$column['Field']]);
}
// end if
$special_chars = htmlspecialchars($current_row[$column['Field']]);
//We need to duplicate the first \n or otherwise we will lose
//the first newline entered in a VARCHAR or TEXT column
$special_chars_encoded = PMA\libraries\Util::duplicateFirstNewline($special_chars);
$data = $current_row[$column['Field']];
}
// end if... else...
//when copying row, it is useful to empty auto-increment column
// to prevent duplicate key error
if (isset($_REQUEST['default_action']) && $_REQUEST['default_action'] === 'insert') {
if ($column['Key'] === 'PRI' && mb_strpos($column['Extra'], 'auto_increment') !== false) {
$data = $special_chars_encoded = $special_chars = null;
}
}
// If a timestamp field value is not included in an update
// statement MySQL auto-update it to the current timestamp;
// however, things have changed since MySQL 4.1, so
// it's better to set a fields_prev in this situation
$backup_field = '<input type="hidden" name="fields_prev' . $column_name_appendix . '" value="' . htmlspecialchars($current_row[$column['Field']]) . '" />';
return array($real_null_value, $special_chars_encoded, $special_chars, $data, $backup_field);
}
/**
* test for generating string contains printable bit value of selected data
*
* @param number $a Value
* @param int $b Length
* @param string $e Expected output
*
* @return void
*
* @dataProvider printableBitValueDataProvider
*/
public function testPrintableBitValue($a, $b, $e)
{
$this->assertEquals($e, PMA\libraries\Util::printableBitValue($a, $b));
}
