Services_JSON::decode( string $str ): mixed

638    function decode($str)639    {640        _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' );641 642        $str = $this->reduce_string($str);643 644        switch (strtolower($str)) {645            case 'true':646                return true;647 648            case 'false':649                return false;650 651            case 'null':652                return null;653 654            default:655                $m = array();656 657                if (is_numeric($str)) {658                    // Lookie-loo, it's a number659 660                    // This would work on its own, but I'm trying to be661                    // good about returning integers where appropriate:662                    // return (float)$str;663 664                    // Return float or int, as appropriate665                    return ((float)$str == (integer)$str)666                        ? (integer)$str667                        : (float)$str;668 669                } elseif (preg_match('/^("|\').*(\1)$/s', $str, $m) && $m[1] == $m[2]) {670                    // STRINGS RETURNED IN UTF-8 FORMAT671                    $delim = $this->substr8($str, 0, 1);672                    $chrs = $this->substr8($str, 1, -1);673                    $utf8 = '';674                    $strlen_chrs = $this->strlen8($chrs);675 676                    for ($c = 0; $c < $strlen_chrs; ++$c) {677 678                        $substr_chrs_c_2 = $this->substr8($chrs, $c, 2);679                        $ord_chrs_c = ord($chrs[$c]);680 681                        switch (true) {682                            case $substr_chrs_c_2 == '\b':683                                $utf8 .= chr(0x08);684                                ++$c;685                                break;686                            case $substr_chrs_c_2 == '\t':687                                $utf8 .= chr(0x09);688                                ++$c;689                                break;690                            case $substr_chrs_c_2 == '\n':691                                $utf8 .= chr(0x0A);692                                ++$c;693                                break;694                            case $substr_chrs_c_2 == '\f':695                                $utf8 .= chr(0x0C);696                                ++$c;697                                break;698                            case $substr_chrs_c_2 == '\r':699                                $utf8 .= chr(0x0D);700                                ++$c;701                                break;702 703                            case $substr_chrs_c_2 == '\\"':704                            case $substr_chrs_c_2 == '\\\'':705                            case $substr_chrs_c_2 == '\\\\':706                            case $substr_chrs_c_2 == '\\/':707                                if (($delim == '"' && $substr_chrs_c_2 != '\\\'') ||708                                   ($delim == "'" && $substr_chrs_c_2 != '\\"')) {709                                    $utf8 .= $chrs[++$c];710                                }711                                break;712 713                            case preg_match('/\\\u[0-9A-F]{4}/i', $this->substr8($chrs, $c, 6)):714                                // single, escaped unicode character715                                $utf16 = chr(hexdec($this->substr8($chrs, ($c + 2), 2)))716                                       . chr(hexdec($this->substr8($chrs, ($c + 4), 2)));717                                $utf8 .= $this->utf162utf8($utf16);