/usr/share/php/arc/serializers/ARC2_LegacyJSONSerializer.php is in libarc-php 2~20101006-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
homepage: http://arc.semsol.org/
license: http://arc.semsol.org/license
class: ARC2 Legacy JSON Serializer
author: Benjamin Nowack
version: 2010-11-16
*/
ARC2::inc('Class');
class ARC2_LegacyJSONSerializer extends ARC2_Class {
function __construct($a, &$caller) {
parent::__construct($a, $caller);
}
function __init() {
parent::__init();
$this->content_header = 'application/json';
}
/* */
function getSerializedArray($struct, $ind = '') {
$n = "\n";
if (function_exists('json_encode')) return str_replace('","', '",' . $n . '"', json_encode($struct));
$r = '';
$from = array("\\", "\r", "\t", "\n", '"', "\b", "\f", "/");
$to = array('\\\\', '\r', '\t', '\n', '\"', '\b', '\f', '\/');
$is_flat = $this->isAssociativeArray($struct) ? 0 : 1;
foreach ($struct as $k => $v) {
$r .= $r ? ',' . $n . $ind . $ind : $ind . $ind;
$r .= $is_flat ? '' : '"' . $k . '": ';
$r .= is_array($v) ? $this->getSerializedArray($v, $ind . ' ') : '"' . str_replace($from, $to, $v) . '"';
}
return $is_flat ? $ind . '[' . $n . $r . $n . $ind . ']' : $ind . '{' . $n . $r . $n . $ind . '}';
}
/* */
function isAssociativeArray($v) {
foreach (array_keys($v) as $k => $val) {
if ($k !== $val) return 1;
}
return 0;
}
/* */
}
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