PHP + jquery ajax json:
if (!function_exists('json_encode')) {
function json_encode($value)
{
if (is_int($value)) {
return (string)$value;
} elseif (is_string($value)) {
$value = str_replace(array('\\', '/', '"', "\r", "\n", "\b", "\f", "\t"),
array('\\\\', '\/', '\"', '\r', '\n', '\b', '\f', '\t'), $value);
$convmap = array(0x80, 0xFFFF, 0, 0xFFFF);
$result = "";
for ($i = mb_strlen($value) - 1; $i >= 0; $i--) {
$mb_char = mb_substr($value, $i, 1);
if (mb_ereg("&#(\\d+);", mb_encode_numericentity($mb_char, $convmap, "UTF-8"), $match)) {
$result = sprintf("\\u%04x", $match[1]) . $result;
} else {
$result = $mb_char . $result;
}
}
return '"' . $result . '"';
} elseif (is_float($value)) {
return str_replace(",", ".", $value);
} elseif (is_null($value)) {
return 'null';
} elseif (is_bool($value)) {
return $value ? 'true' : 'false';
} elseif (is_array($value)) {
$with_keys = false;
$n = count($value);
for ($i = 0, reset($value); $i < $n; $i++, next($value)) {
if (key($value) !== $i) {
$with_keys = true;
break;
}
}
} elseif (is_object($value)) {
$with_keys = true;
} else {
return '';
}
$result = array();
if ($with_keys) {
foreach ($value as $k => $v) {
$result[] = json_encode($k) . ':' . json_encode($v);
}
return '{' . implode(',', $result) . '}';
} else {
foreach ($value as $key => $v) {
$result[] = json_encode($v);
}
return '[' . implode(',', $result) . ']';
}
}
}
function json_fix_cyr($var, $reverse = false)
{
if (is_array($var))
{
$new = array();
foreach ($var as $k => $v) $new[json_fix_cyr($k, $reverse)] = json_fix_cyr($v, $reverse);
$var = $new;
}
elseif (is_object($var))
{
$vars = get_object_vars($var);
foreach ($vars as $m => $v) $var->$m = json_fix_cyr($v, $reverse);
}
elseif (is_string($var))
{
$var = $reverse ? iconv('utf-8', 'cp1251', $var) : iconv('cp1251', 'utf-8', $var);
}
return $var;
}
function tojson($var){
return json_encode(json_fix_cyr($var));
}
header("Content-Type: text/javascript; charset=windows-1251");
echo tojson(array('key' => 'value'));
die(); // stop executing script
//exit;
js:
jQuery(function($){
$('.scroll_top').click(function () {
$.ajax({
url: "ajax.php",
type: "POST",
dataType: "json",
data: {'key': '12321'},
complete: function(xhr, status) {
alert('End');
},
success: function(data, status) {
alert( data.key );
},
error: function(xhr, status) {
alert( 'Error' );
}
});
});
});