| | |
| | | }
|
| | | $out['type'] = $type;
|
| | |
|
| | | function __json_encode($data) { |
| | | if( is_array($data) || is_object($data) ) {
|
| | | $islist = is_array($data) && ( empty($data) || array_keys($data) === range(0,count($data)-1) );
|
| | | |
| | | if( $islist ) {
|
| | | $json = '[' . implode(',', array_map('__json_encode', $data) ) . ']';
|
| | | } else {
|
| | | $items = Array();
|
| | | foreach( $data as $key => $value ) {
|
| | | $items[] = __json_encode("$key") . ':' . __json_encode($value);
|
| | | }
|
| | | $json = '{' . implode(',', $items) . '}';
|
| | | }
|
| | | } elseif( is_string($data) ) {
|
| | | # Escape non-printable or Non-ASCII characters.
|
| | | # I also put the \\ character first, as suggested in comments on the 'addcslashes' page.
|
| | | $string = '"' . addcslashes($data, "\\\"\n\r\t/" . chr(8) . chr(12)) . '"';
|
| | | $json = '';
|
| | | $len = strlen($string);
|
| | | # Convert UTF-8 to Hexadecimal Codepoints.
|
| | | for( $i = 0; $i < $len; $i++ ) {
|
| | | |
| | | $char = $string[$i];
|
| | | $c1 = ord($char);
|
| | | |
| | | # Single byte;
|
| | | if( $c1 <128 ) {
|
| | | $json .= ($c1 > 31) ? $char : sprintf("\\u%04x", $c1);
|
| | | continue;
|
| | | }
|
| | | |
| | | # Double byte
|
| | | $c2 = ord($string[++$i]);
|
| | | if ( ($c1 & 32) === 0 ) {
|
| | | $json .= sprintf("\\u%04x", ($c1 - 192) * 64 + $c2 - 128);
|
| | | continue;
|
| | | }
|
| | | |
| | | # Triple
|
| | | $c3 = ord($string[++$i]);
|
| | | if( ($c1 & 16) === 0 ) {
|
| | | $json .= sprintf("\\u%04x", (($c1 - 224) <<12) + (($c2 - 128) << 6) + ($c3 - 128));
|
| | | continue;
|
| | | }
|
| | | |
| | | # Quadruple
|
| | | $c4 = ord($string[++$i]);
|
| | | if( ($c1 & 8 ) === 0 ) {
|
| | | $u = (($c1 & 15) << 2) + (($c2>>4) & 3) - 1;
|
| | | |
| | | $w1 = (54<<10) + ($u<<6) + (($c2 & 15) << 2) + (($c3>>4) & 3);
|
| | | $w2 = (55<<10) + (($c3 & 15)<<6) + ($c4-128);
|
| | | $json .= sprintf("\\u%04x\\u%04x", $w1, $w2);
|
| | | }
|
| | | }
|
| | | } else {
|
| | | # int, floats, bools, null
|
| | | $json = strtolower(var_export( $data, true ));
|
| | | }
|
| | | return $json;
|
| | | }
|
| | |
|
| | | if(function_exists('json_encode')) { // PHP >= 5.2
|
| | | echo json_encode($out);
|
| | | } else { // PHP < 5.2
|
| | | echo __json_encode($out);
|
| | | }
|
| | | exit;
|
| | | ?> |