/** * decodes a JSON string into appropriate variable * * @param string $str JSON-formatted string * * @return mixed number, boolean, string, array, or object * corresponding to given JSON input string. * See argument 1 to Services_JSON() above for object-output behavior. * Note that decode() always returns strings * in ASCII or UTF-8 format! * @access public */ function json_decode($str) { $use = 1; $str = reduce_string($str); switch (strtolower($str)) { case 'true': return true; case 'false': return false; case 'null': return null; default: $m = array(); if (is_numeric($str)) { // Lookie-loo, it's a number // This would work on its own, but I'm trying to be // good about returning integers where appropriate: // return (float)$str; // Return float or int, as appropriate return ((float)$str == (integer)$str) ? (integer)$str : (float)$str; } elseif (preg_match('/^("|\').*(\1)$/s', $str, $m) && $m[1] == $m[2]) { // STRINGS RETURNED IN UTF-8 FORMAT $delim = substr($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)): // single, escaped unicode character $utf16 = chr(hexdec(substr($chrs, ($c + 2), 2))) . chr(hexdec(substr($chrs, ($c + 4), 2))); $utf8 .= utf162utf8($utf16); $c += 5; break; case ($ord_chrs_c >= 0x20) && ($ord_chrs_c <= 0x7F): $utf8 .= $chrs{$c}; break; case ($ord_chrs_c & 0xE0) == 0xC0: // characters U-00000080 - U-000007FF, mask 110XXXXX //see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 $utf8 .= substr($chrs, $c, 2); ++$c; break; case ($ord_chrs_c & 0xF0) == 0xE0: // characters U-00000800 - U-0000FFFF, mask 1110XXXX // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 $utf8 .= substr($chrs, $c, 3); $c += 2; break; case ($ord_chrs_c & 0xF8) == 0xF0: // characters U-00010000 - U-001FFFFF, mask 11110XXX // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 $utf8 .= substr($chrs, $c, 4); $c += 3; break; case ($ord_chrs_c & 0xFC) == 0xF8: // characters U-00200000 - U-03FFFFFF, mask 111110XX // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 $utf8 .= substr($chrs, $c, 5); $c += 4; break; case ($ord_chrs_c & 0xFE) == 0xFC: // characters U-04000000 - U-7FFFFFFF, mask 1111110X // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 $utf8 .= substr($chrs, $c, 6); $c += 5; break; } } return $utf8; } elseif (preg_match('/^\[.*\]$/s', $str) || preg_match('/^\{.*\}$/s', $str)) { // array, or object notation if ($str{0} == '[') { $stk = array(3); $arr = array(); } else { if ($use & 16) { $stk = array(4); $obj = array(); } else { $stk = array(4); $obj = new stdClass(); } } array_push($stk, array('what' => 1, 'where' => 0, 'delim' => false)); $chrs = substr($str, 1, -1); $chrs = reduce_string($chrs); if ($chrs == '') { if (reset($stk) == 3) { 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'] == 1))) { // found a comma that is not inside a string, array, etc., // OR we've reached the end of the character list $slice = substr($chrs, $top['where'], ($c - $top['where'])); array_push($stk, array('what' => 1, 'where' => ($c + 1), 'delim' => false)); //print("Found split at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n"); if (reset($stk) == 3) { // we are in an array, so just push an element onto the stack array_push($arr, json_decode($slice)); } elseif (reset($stk) == 4) { // we are in an object, so figure // out the property name and set an // element in an associative array, // for now $parts = array(); if (preg_match('/^\s*(["\'].*[^\\\]["\'])\s*:\s*(\S.*),?$/Uis', $slice, $parts)) { // "name":value pair $key = json_decode($parts[1]); $val = json_decode($parts[2]); if ($use & 16) { $obj[$key] = $val; } else { $obj->$key = $val; } } elseif (preg_match('/^\s*(\w+)\s*:\s*(\S.*),?$/Uis', $slice, $parts)) { // name:value pair, where name is unquoted $key = $parts[1]; $val = json_decode($parts[2]); if ($use & 16) { $obj[$key] = $val; } else { $obj->$key = $val; } } } } elseif ((($chrs{$c} == '"') || ($chrs{$c} == "'")) && ($top['what'] != 2)) { // found a quote, and we are not inside a string array_push($stk, array('what' => 2, 'where' => $c, 'delim' => $chrs{$c})); //print("Found start of string at {$c}\n"); } elseif (($chrs{$c} == $top['delim']) && ($top['what'] == 2) && ((strlen(substr($chrs, 0, $c)) - strlen(rtrim(substr($chrs, 0, $c), '\\'))) % 2 != 1)) { // found a quote, we're in a string, and it's not escaped // we know that it's not escaped becase there is _not_ an // odd number of backslashes at the end of the string so far array_pop($stk); //print("Found end of string at {$c}: ".substr($chrs, $top['where'], (1 + 1 + $c - $top['where']))."\n"); } elseif (($chrs{$c} == '[') && in_array($top['what'], array(1, 3, 4))) { // found a left-bracket, and we are in an array, object, or slice array_push($stk, array('what' => 3, 'where' => $c, 'delim' => false)); //print("Found start of array at {$c}\n"); } elseif (($chrs{$c} == ']') && ($top['what'] == 3)) { // found a right-bracket, and we're in an array array_pop($stk); //print("Found end of array at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n"); } elseif (($chrs{$c} == '{') && in_array($top['what'], array(1, 3, 4))) { // found a left-brace, and we are in an array, object, or slice array_push($stk, array('what' => 4, 'where' => $c, 'delim' => false)); //print("Found start of object at {$c}\n"); } elseif (($chrs{$c} == '}') && ($top['what'] == 4)) { // found a right-brace, and we're in an object array_pop($stk); //print("Found end of object at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n"); } elseif (($substr_chrs_c_2 == '/*') && in_array($top['what'], array(1, 3, 4))) { // found a comment start, and we are in an array, object, or slice array_push($stk, array('what' => 5, 'where' => $c, 'delim' => false)); $c++; //print("Found start of comment at {$c}\n"); } elseif (($substr_chrs_c_2 == '*/') && ($top['what'] == 5)) { // found a comment end, and we're in one now array_pop($stk); $c++; for ($i = $top['where']; $i <= $c; ++$i) $chrs = substr_replace($chrs, ' ', $i, 1); } } if (reset($stk) == 3) { return $arr; } elseif (reset($stk) == 4) { return $obj; } } } }
/** * Return text according to type * * @param string $val Value to decode * @return string Formated value */ function _unval($val) { while (preg_match('/\\\\u([0-9A-F]{2})([0-9A-F]{2})/i', $val, $reg)) { // single, escaped unicode character $utf16 = chr(hexdec($reg[1])) . chr(hexdec($reg[2])); $utf8 = utf162utf8($utf16); $val = preg_replace('/\\\\u' . $reg[1] . $reg[2] . '/i', $utf8, $val); } return $val; }
function json_decode($str) { $str = json_reduce_string($str); switch (strtolower($str)) { case 'true': return true; case 'false': return false; case 'null': return null; default: $m = array(); if (is_numeric($str)) { return (double) $str == (int) $str ? (int) $str : (double) $str; } elseif (preg_match('/^("|\').*(\\1)$/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': $utf8 .= chr(0x8); ++$c; break; case $substr_chrs_c_2 == '\\t': $utf8 .= chr(0x9); ++$c; break; case $substr_chrs_c_2 == '\\n': $utf8 .= chr(0xa); ++$c; break; case $substr_chrs_c_2 == '\\f': $utf8 .= chr(0xc); ++$c; break; case $substr_chrs_c_2 == '\\r': $utf8 .= chr(0xd); ++$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))); $utf8 .= utf162utf8($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 { $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); $chrs = json_reduce_string($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($arr, json_decode($slice)); } elseif (reset($stk) == SERVICES_JSON_IN_OBJ) { $parts = array(); if (preg_match('/^\\s*(["\'].*[^\\\\]["\'])\\s*:\\s*(\\S.*),?$/Uis', $slice, $parts)) { $key = json_decode($parts[1]); $val = json_decode($parts[2]); $obj->{$key} = $val; } elseif (preg_match('/^\\s*(\\w+)\\s*:\\s*(\\S.*),?$/Uis', $slice, $parts)) { $key = $parts[1]; $val = json_decode($parts[2]); $obj->{$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; } } } }