@ 2013-07-08T19:41:04Z <?php
if (!function_exists('json_encode')) {
function json_encode($it) {
if (!($assoc = is_object($it)) && !is_array($it)) {
return _js_enc_value($it);
}
$i = 0;
$it = (array)$it;
if (!$assoc) {
foreach ($it as $k => $v) {
if ($k !== $i) {
$assoc = true;
break;
}
$i++;
}
}
var_dump($assoc);
$data = array();
foreach ($it as $k => $v) {
$v = _js_enc_value($v);
if ($assoc) {
$k = _js_enc_value($k);
$data[] = $k . ':' . $v;
} else {
$data[] = $v;
}
}
if ($assoc) {
$bl = '{';
$br = '}';
} else {
$bl = '[';
$br = ']';
}
return $bl . implode(',', $data) . $br;
}
function _js_enc_value($value) {
var_dump($value);
switch (true) {
case is_array($value):
case is_object($value):
return json_encode($value);
case $value === null:
case is_resource($value):
return 'null';
case is_bool($value):
return $value ? 'true' : 'false';
case is_string($value):
return '"' . _js_uc_esc($value) . '"';
default:
return $value;
}
}
function _js_uc_esc($value) {
$pattern = "@[\x08-\x10\x0c\x0d\\\\\"/]|([^\x08-\x10\x0c\x0d\x32-\x7f\\\\\"/])++@u";
return preg_replace_callback($pattern, '_js_uc_esc_cb', $value);
}
function _js_uc_esc_cb($matches) {
switch (true) {
case isset($matches[1]):
$char = mb_convert_encoding($matches[0], 'UTF-16', 'UTF-8');
$str = '';
$len = strlen($char);
for ($i = 0; $i < $len; $i += 2) {
$str .= sprintf('\\u%02x%02x',
ord($char[$i]),
ord($char[$i + 1])
);
}
return $str;
default:
return addcslashes($matches[0], "\x08\x09\x10\x0c\x0d\\\"/");
}
}
}
/*
$var = array(
array(
'text',
1,
1.1,
true,
false,
null,
array(),
new stdClass,
),
array(
'&\'/"' => "\r\n\t",
),
array(
'0' => 'hoge',
'1' => 'foo',
),
(object)array(
'0' => 'hoge',
'1' => 'foo',
),
array(
'0' => 'hoge',
'2' => 'foo',
),
(object)array(
'0' => 'hoge',
'2' => 'foo',
),
);
var_dump(@json_encode($var));
*/
var_dump(_js_enc_value('1'));
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Output for 7.0.0 - 7.0.20 , 7.1.0 - 7.1.33 , 7.2.5 - 7.2.33 , 7.3.0 - 7.3.33 , 7.4.0 - 7.4.33 , 8.0.0 - 8.0.30 , 8.1.0 - 8.1.27 , 8.2.0 - 8.2.17 , 8.3.0 - 8.3.4 Fatal error: Uncaught Error: Call to undefined function _js_enc_value() in /in/NjnPk:119
Stack trace:
#0 {main}
thrown in /in/NjnPk on line 119
Process exited with code 255 . Output for 5.2.0 - 5.2.17 , 5.3.0 - 5.3.29 , 5.4.0 - 5.4.45 , 5.5.0 - 5.5.37 , 5.6.0 - 5.6.28 Fatal error: Call to undefined function _js_enc_value() in /in/NjnPk on line 119
Process exited with code 255 . Output for 4.3.0 - 4.3.11 , 4.4.0 - 4.4.9 , 5.0.0 - 5.0.5 , 5.1.0 - 5.1.6 string(1) "1"
string(8) ""\u0031""
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