As we know function json_encode , only work from PHP >= 5.2. If your server running PHP 4 or PHP 5.0 , PHP 5.1 , you will get error... All you need is those function, you can name them to json_encode ( php_json_encode ). Thanks a guy post this function on website PHP.net
PHP Code:
<?php
function json_encode_string($in_str)
{
mb_internal_encoding("UTF-8");
$convmap = array(0x80, 0xFFFF, 0, 0xFFFF);
$str = "";
for($i=mb_strlen($in_str)-1; $i>=0; $i--)
{
$mb_char = mb_substr($in_str, $i, 1);
if(mb_ereg("&amp;amp;#(\\d+);", mb_encode_numericentity($mb_char, $convmap, "UTF-8"), $match))
{
$str = sprintf("\\u%04x", $match[1]) . $str;
}
else
{
$str = $mb_char . $str;
}
}
return $str;
}
function php_json_encode($arr)
{
$json_str = "";
if(is_array($arr))
{
$pure_array = true;
$array_length = count($arr);
for($i=0;$i<$array_length;$i++)
{
if(! isset($arr[$i]))
{
$pure_array = false;
break;
}
}
if($pure_array)
{
$json_str ="[";
$temp = array();
for($i=0;$i<$array_length;$i++)
{
$temp[] = sprintf("%s", php_json_encode($arr[$i]));
}
$json_str .= implode(",",$temp);
$json_str .="]";
}
else
{
$json_str ="{";
$temp = array();
foreach($arr as $key => $value)
{
$temp[] = sprintf("\"%s\":%s", $key, php_json_encode($value));
}
$json_str .= implode(",",$temp);
$json_str .="}";
}
}
else
{
if(is_string($arr))
{
$json_str = "\"". json_encode_string($arr) . "\"";
}
else if(is_numeric($arr))
{
$json_str = $arr;
}
else
{
$json_str = "\"". json_encode_string($arr) . "\"";
}
}
return $json_str;
}
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