$array = json_decode('[{"userId":"123456","nick":"─╄v名☆士 "}]');
print_r($array);这样解析有问题。我发现时： 字符的问题，如果遇到这样的情况大家怎么处理的呀？
print_r($array);这样解析有问题。我发现时： 字符的问题，如果遇到这样的情况大家怎么处理的呀？
解决方案 »
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//你的字符串这不是json_encode后的标准形式
//你试试
$arr = array('userId' => '123456', 'nick' => '─╄v名☆士 ');
echo json_encode($arr);//这回输出的是标准的，这个串可以json_decode
2.使用以下代码进行encode/decode,和php自带的json函数一样，也只支持utf-8的字符<?phpdefine('SERVICES_JSON_SLICE', 1);
define('SERVICES_JSON_IN_STR', 2);
define('SERVICES_JSON_IN_ARR', 3);
define('SERVICES_JSON_IN_OBJ', 4);
define('SERVICES_JSON_IN_CMT', 5);
define('SERVICES_JSON_LOOSE_TYPE', 16);
define('SERVICES_JSON_SUPPRESS_ERRORS', 32);class Services_JSON{
function Services_JSON($use = 0){
$this->use = $use;
}
function utf162utf8($utf16){
if(function_exists('mb_convert_encoding')) {
return mb_convert_encoding($utf16, 'UTF-8', 'UTF-16');
}
$bytes = (ord($utf16{0}) << 8) | ord($utf16{1});
switch(true) {
case ((0x7F & $bytes) == $bytes):
return chr(0x7F & $bytes); case (0x07FF & $bytes) == $bytes:
return chr(0xC0 | (($bytes >> 6) & 0x1F))
. chr(0x80 | ($bytes & 0x3F)); case (0xFFFF & $bytes) == $bytes:
return chr(0xE0 | (($bytes >> 12) & 0x0F))
. chr(0x80 | (($bytes >> 6) & 0x3F))
. chr(0x80 | ($bytes & 0x3F));
}
return '';
}
function utf82utf16($utf8){
if(function_exists('mb_convert_encoding')) {
return mb_convert_encoding($utf8, 'UTF-16', 'UTF-8');
} switch(strlen($utf8)) {
case 1:
return $utf8; case 2:
return chr(0x07 & (ord($utf8{0}) >> 2))
. chr((0xC0 & (ord($utf8{0}) << 6))
| (0x3F & ord($utf8{1}))); case 3:
return chr((0xF0 & (ord($utf8{0}) << 4))
| (0x0F & (ord($utf8{1}) >> 2)))
. chr((0xC0 & (ord($utf8{1}) << 6))
| (0x7F & ord($utf8{2})));
}
return '';
}
function encode($var)
{
switch (gettype($var)) {
case 'boolean':
return $var ? 'true' : 'false'; case 'NULL':
return 'null'; case 'integer':
return (int) $var; case 'double':
case 'float':
return (float) $var; case 'string':
$ascii = '';
$strlen_var = strlen($var);
for ($c = 0; $c < $strlen_var; ++$c) { $ord_var_c = ord($var{$c}); switch (true) {
case $ord_var_c == 0x08:
$ascii .= '\b';
break;
case $ord_var_c == 0x09:
$ascii .= '\t';
break;
case $ord_var_c == 0x0A:
$ascii .= '\n';
break;
case $ord_var_c == 0x0C:
$ascii .= '\f';
break;
case $ord_var_c == 0x0D:
$ascii .= '\r';
break; case $ord_var_c == 0x22:
case $ord_var_c == 0x2F:
case $ord_var_c == 0x5C:
$ascii .= '\\'.$var{$c};
break; case (($ord_var_c >= 0x20) && ($ord_var_c <= 0x7F)):
$ascii .= $var{$c};
break; case (($ord_var_c & 0xE0) == 0xC0):
$char = pack('C*', $ord_var_c, ord($var{$c + 1}));
$c += 1;
$utf16 = $this->utf82utf16($char);
$ascii .= sprintf('\u%04s', bin2hex($utf16));
break; case (($ord_var_c & 0xF0) == 0xE0):
$char = pack('C*', $ord_var_c,
ord($var{$c + 1}),
ord($var{$c + 2}));
$c += 2;
$utf16 = $this->utf82utf16($char);
$ascii .= sprintf('\u%04s', bin2hex($utf16));
break; case (($ord_var_c & 0xF8) == 0xF0):
$char = pack('C*', $ord_var_c,
ord($var{$c + 1}),
ord($var{$c + 2}),
ord($var{$c + 3}));
$c += 3;
$utf16 = $this->utf82utf16($char);
$ascii .= sprintf('\u%04s', bin2hex($utf16));
break; case (($ord_var_c & 0xFC) == 0xF8):
$char = pack('C*', $ord_var_c,
ord($var{$c + 1}),
ord($var{$c + 2}),
ord($var{$c + 3}),
ord($var{$c + 4}));
$c += 4;
$utf16 = $this->utf82utf16($char);
$ascii .= sprintf('\u%04s', bin2hex($utf16));
break; case (($ord_var_c & 0xFE) == 0xFC):
$char = pack('C*', $ord_var_c,
ord($var{$c + 1}),
ord($var{$c + 2}),
ord($var{$c + 3}),
ord($var{$c + 4}),
ord($var{$c + 5}));
$c += 5;
$utf16 = $this->utf82utf16($char);
$ascii .= sprintf('\u%04s', bin2hex($utf16));
break;
}
} return '"'.$ascii.'"'; case 'array':
if (is_array($var) && count($var) && (array_keys($var) !== range(0, sizeof($var) - 1))) {
$properties = array_map(array($this, 'name_value'),
array_keys($var),
array_values($var)); foreach($properties as $property) {
if(Services_JSON::isError($property)) {
return $property;
}
} return '{' . join(',', $properties) . '}';
} $elements = array_map(array($this, 'encode'), $var); foreach($elements as $element) {
if(Services_JSON::isError($element)) {
return $element;
}
} return '[' . join(',', $elements) . ']'; case 'object':
$vars = get_object_vars($var); $properties = array_map(array($this, 'name_value'),
array_keys($vars),
array_values($vars)); foreach($properties as $property) {
if(Services_JSON::isError($property)) {
return $property;
}
} return '{' . join(',', $properties) . '}'; default:
return ($this->use & SERVICES_JSON_SUPPRESS_ERRORS)
? 'null'
: new Services_JSON_Error(gettype($var)." can not be encoded as JSON string");
}
}
function name_value($name, $value)
{
$encoded_value = $this->encode($value); if(Services_JSON::isError($encoded_value)) {
return $encoded_value;
} return $this->encode(strval($name)) . ':' . $encoded_value;
}
function reduce_string($str)
{
$str = preg_replace(array(
'#^\s*//(.+)$#m',
'#^\s*/\*(.+)\*/#Us',
'#/\*(.+)\*/\s*$#Us'
), '', $str);
return trim($str);
}
function decode($str){
$str = $this->reduce_string($str); switch (strtolower($str)) {
case 'true':
return true; case 'false':
return false; case 'null':
return null; default:
$m = array(); if (is_numeric($str)) {
return ((float)$str == (integer)$str)
? (integer)$str
: (float)$str;
} elseif (preg_match('/^("|\').*(\1)$/s', $str, $m) && $m[1] == $m[2]) {
$delim = substr($str, 0, 1);
$chrs = substr($str, 1, -1);
$utf8 = '';
$strlen_chrs = strlen($chrs); for ($c = 0; $c < $strlen_chrs; ++$c) { $substr_chrs_c_2 = substr($chrs, $c, 2);
$ord_chrs_c = ord($chrs{$c}); switch (true) {
case $substr_chrs_c_2 == '\b':
$utf8 .= chr(0x08);
++$c;
break;
case $substr_chrs_c_2 == '\t':
$utf8 .= chr(0x09);
++$c;
break;
case $substr_chrs_c_2 == '\n':
$utf8 .= chr(0x0A);
++$c;
break;
case $substr_chrs_c_2 == '\f':
$utf8 .= chr(0x0C);
++$c;
break;
case $substr_chrs_c_2 == '\r':
$utf8 .= chr(0x0D);
++$c;
break; case $substr_chrs_c_2 == '\\"':
case $substr_chrs_c_2 == '\\\'':
case $substr_chrs_c_2 == '\\\\':
case $substr_chrs_c_2 == '\\/':
if (($delim == '"' && $substr_chrs_c_2 != '\\\'') ||
($delim == "'" && $substr_chrs_c_2 != '\\"')) {
$utf8 .= $chrs{++$c};
}
break; case preg_match('/\\\u[0-9A-F]{4}/i', substr($chrs, $c, 6)):
$utf16 = chr(hexdec(substr($chrs, ($c + 2), 2)))
. chr(hexdec(substr($chrs, ($c + 4), 2)));
$utf8 .= $this->utf162utf8($utf16);
$c += 5;
break; case ($ord_chrs_c >= 0x20) && ($ord_chrs_c <= 0x7F):
$utf8 .= $chrs{$c};
break; case ($ord_chrs_c & 0xE0) == 0xC0:
$utf8 .= substr($chrs, $c, 2);
++$c;
break; case ($ord_chrs_c & 0xF0) == 0xE0:
$utf8 .= substr($chrs, $c, 3);
$c += 2;
break; case ($ord_chrs_c & 0xF8) == 0xF0:
$utf8 .= substr($chrs, $c, 4);
$c += 3;
break; case ($ord_chrs_c & 0xFC) == 0xF8:
$utf8 .= substr($chrs, $c, 5);
$c += 4;
break; case ($ord_chrs_c & 0xFE) == 0xFC:
$utf8 .= substr($chrs, $c, 6);
$c += 5;
break; } } return $utf8; } elseif (preg_match('/^\[.*\]$/s', $str) || preg_match('/^\{.*\}$/s', $str)) { if ($str{0} == '[') {
$stk = array(SERVICES_JSON_IN_ARR);
$arr = array();
} else {
if ($this->use & SERVICES_JSON_LOOSE_TYPE) {
$stk = array(SERVICES_JSON_IN_OBJ);
$obj = array();
} else {
$stk = array(SERVICES_JSON_IN_OBJ);
$obj = new stdClass();
}
} array_push($stk, array('what' => SERVICES_JSON_SLICE,
'where' => 0,
'delim' => false)); $chrs = substr($str, 1, -1);
$chrs = $this->reduce_string($chrs); if ($chrs == '') {
if (reset($stk) == SERVICES_JSON_IN_ARR) {
return $arr; } else {
return $obj; }
} $strlen_chrs = strlen($chrs);
for ($c = 0; $c <= $strlen_chrs; ++$c) { $top = end($stk);
$substr_chrs_c_2 = substr($chrs, $c, 2); if (($c == $strlen_chrs) || (($chrs{$c} == ',') && ($top['what'] == SERVICES_JSON_SLICE))) {
$slice = substr($chrs, $top['where'], ($c - $top['where']));
array_push($stk, array('what' => SERVICES_JSON_SLICE, 'where' => ($c + 1), 'delim' => false));
if (reset($stk) == SERVICES_JSON_IN_ARR) {
array_push($arr, $this->decode($slice)); } elseif (reset($stk) == SERVICES_JSON_IN_OBJ) { $parts = array();
if (preg_match('/^\s*(["\'].*[^\\\]["\'])\s*:\s*(\S.*),?$/Uis', $slice, $parts)) {
$key = $this->decode($parts[1]);
$val = $this->decode($parts[2]); if ($this->use & SERVICES_JSON_LOOSE_TYPE) {
$obj[$key] = $val;
} else {
$obj->$key = $val;
}
} elseif (preg_match('/^\s*(\w+)\s*:\s*(\S.*),?$/Uis', $slice, $parts)) {
$key = $parts[1];
$val = $this->decode($parts[2]); if ($this->use & SERVICES_JSON_LOOSE_TYPE) {
$obj[$key] = $val;
} else {
$obj->$key = $val;
}
} } } elseif ((($chrs{$c} == '"') || ($chrs{$c} == "'")) && ($top['what'] != SERVICES_JSON_IN_STR)) {
array_push($stk, array('what' => SERVICES_JSON_IN_STR, 'where' => $c, 'delim' => $chrs{$c})); } elseif (($chrs{$c} == $top['delim']) &&
($top['what'] == SERVICES_JSON_IN_STR) &&
((strlen(substr($chrs, 0, $c)) - strlen(rtrim(substr($chrs, 0, $c), '\\'))) % 2 != 1)) {
array_pop($stk); } elseif (($chrs{$c} == '[') &&
in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) {
array_push($stk, array('what' => SERVICES_JSON_IN_ARR, 'where' => $c, 'delim' => false)); } elseif (($chrs{$c} == ']') && ($top['what'] == SERVICES_JSON_IN_ARR)) {
array_pop($stk); } elseif (($chrs{$c} == '{') &&
in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) {
array_push($stk, array('what' => SERVICES_JSON_IN_OBJ, 'where' => $c, 'delim' => false)); } elseif (($chrs{$c} == '}') && ($top['what'] == SERVICES_JSON_IN_OBJ)) {
array_pop($stk); } elseif (($substr_chrs_c_2 == '/*') &&
in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) {
array_push($stk, array('what' => SERVICES_JSON_IN_CMT, 'where' => $c, 'delim' => false));
$c++; } elseif (($substr_chrs_c_2 == '*/') && ($top['what'] == SERVICES_JSON_IN_CMT)) {
array_pop($stk);
$c++; for ($i = $top['where']; $i <= $c; ++$i)
$chrs = substr_replace($chrs, ' ', $i, 1); } } if (reset($stk) == SERVICES_JSON_IN_ARR) {
return $arr; } elseif (reset($stk) == SERVICES_JSON_IN_OBJ) {
return $obj; } }
}
}
function isError($data, $code = null)
{
if (class_exists('pear')) {
return PEAR::isError($data, $code);
} elseif (is_object($data) && (get_class($data) == 'services_json_error' ||
is_subclass_of($data, 'services_json_error'))) {
return true;
} return false;
}
}if (class_exists('PEAR_Error')) { class Services_JSON_Error extends PEAR_Error
{
function Services_JSON_Error($message = 'unknown error', $code = null,
$mode = null, $options = null, $userinfo = null)
{
parent::PEAR_Error($message, $code, $mode, $options, $userinfo);
}
}} else {
class Services_JSON_Error
{
function Services_JSON_Error($message = 'unknown error', $code = null,
$mode = null, $options = null, $userinfo = null)
{ }
}}
?>