json.php
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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Set of functions used to build dumps of tables as JSON
*
* @package PhpMyAdmin-Export
* @subpackage JSON
*/
if (! defined('PHPMYADMIN')) {
exit;
}
/**
*
*/
if (isset($plugin_list)) {
$plugin_list['json'] = array(
'text' => 'JSON',
'extension' => 'json',
'mime_type' => 'text/plain',
'options' => array(
array('type' => 'begin_group', 'name' => 'general_opts'),
array(
'type' => 'hidden',
'name' => 'structure_or_data',
),
array('type' => 'end_group')
),
'options_text' => __('Options'),
);
} else {
/**
* Set of functions used to build exports of tables
*/
/**
* Outputs export footer
*
* @return bool Whether it succeeded
*
* @access public
*/
function PMA_exportFooter()
{
return true;
}
/**
* Outputs export header
*
* @return bool Whether it succeeded
*
* @access public
*/
function PMA_exportHeader()
{
PMA_exportOutputHandler(
'/**' . $GLOBALS['crlf']
. ' Export to JSON plugin for PHPMyAdmin' . $GLOBALS['crlf']
. ' @version 0.1' . $GLOBALS['crlf']
. ' */' . $GLOBALS['crlf'] . $GLOBALS['crlf']
);
return true;
}
/**
* Outputs database header
*
* @param string $db Database name
* @return bool Whether it succeeded
*
* @access public
*/
function PMA_exportDBHeader($db)
{
PMA_exportOutputHandler('// Database \'' . $db . '\'' . $GLOBALS['crlf'] );
return true;
}
/**
* Outputs database footer
*
* @param string $db Database name
* @return bool Whether it succeeded
*
* @access public
*/
function PMA_exportDBFooter($db)
{
return true;
}
/**
* Outputs CREATE DATABASE statement
*
* @param string $db Database name
* @return bool Whether it succeeded
*
* @access public
*/
function PMA_exportDBCreate($db)
{
return true;
}
/**
* Outputs the content of a table in JSON format
*
* @param string $db database name
* @param string $table table name
* @param string $crlf the end of line sequence
* @param string $error_url the url to go back in case of error
* @param string $sql_query SQL query for obtaining data
* @return bool Whether it succeeded
*
* @access public
*/
function PMA_exportData($db, $table, $crlf, $error_url, $sql_query)
{
$result = PMA_DBI_query($sql_query, null, PMA_DBI_QUERY_UNBUFFERED);
$columns_cnt = PMA_DBI_num_fields($result);
for ($i = 0; $i < $columns_cnt; $i++) {
$columns[$i] = stripslashes(PMA_DBI_field_name($result, $i));
}
unset($i);
$buffer = '';
$record_cnt = 0;
while ($record = PMA_DBI_fetch_row($result)) {
$record_cnt++;
// Output table name as comment if this is the first record of the table
if ($record_cnt == 1) {
$buffer .= '// ' . $db . '.' . $table . $crlf . $crlf;
$buffer .= '[{';
} else {
$buffer .= ', {';
}
for ($i = 0; $i < $columns_cnt; $i++) {
$isLastLine = ($i + 1 >= $columns_cnt);
$column = $columns[$i];
if (is_null($record[$i])) {
$buffer .= '"' . addslashes($column) . '": null' . (! $isLastLine ? ',' : '');
} elseif (is_numeric($record[$i])) {
$buffer .= '"' . addslashes($column) . '": ' . $record[$i] . (! $isLastLine ? ',' : '');
} else {
$buffer .= '"' . addslashes($column) . '": "' . addslashes($record[$i]) . '"' . (! $isLastLine ? ',' : '');
}
}
$buffer .= '}';
}
if ($record_cnt) {
$buffer .= ']';
}
if (! PMA_exportOutputHandler($buffer)) {
return false;
}
PMA_DBI_free_result($result);
return true;
}
}