97     private $_hex      = null;  variable in I18N_Arabic_Glyphs
125         $this->_hex    = '064B064B064B064B064C064C064C064C064D064D064D064D064E064E';
126         $this->_hex   .= '064E064E064F064F064F064F06500650065006500651065106510651';
127         $this->_hex   .= '06520652065206520670067006700670';
130         $this->_hex    .= 'FE80FE80FE80FE80FE81FE82FE81FE82FE83FE84FE83FE84FE85FE86';
131         $this->_hex    .= 'FE85FE86FE87FE88FE87FE88FE89FE8AFE8BFE8CFE8DFE8EFE8DFE8E';
132         $this->_hex    .= 'FE8FFE90FE91FE92';
135         $this->_hex    .= 'FE93FE94FE93FE94FE95FE96FE97FE98FE99FE9AFE9BFE9CFE9DFE9E';
136         $this->_hex    .= 'FE9FFEA0FEA1FEA2FEA3FEA4FEA5FEA6FEA7FEA8FEA9FEAAFEA9FEAA';
137         $this->_hex    .= 'FEABFEACFEABFEAC';
140         $this->_hex    .= 'FEADFEAEFEADFEAEFEAFFEB0FEAFFEB0FEB1FEB2FEB3FEB4FEB5FEB6';
141         $this->_hex    .= 'FEB7FEB8FEB9FEBAFEBBFEBCFEBDFEBEFEBFFEC0FEC1FEC2FEC3FEC4';
142         $this->_hex    .= 'FEC5FEC6FEC7FEC8';
145         $this->_hex    .= 'FEC9FECAFECBFECCFECDFECEFECFFED0FED1FED2FED3FED4FED5FED6';
146         $this->_hex    .= 'FED7FED8FED9FEDAFEDBFEDCFEDDFEDEFEDFFEE0FEE1FEE2FEE3FEE4';
147         $this->_hex    .= 'FEE5FEE6FEE7FEE8';
150         $this->_hex    .= 'FEE9FEEAFEEBFEECFEEDFEEEFEEDFEEEFEEFFEF0FEEFFEF0FEF1FEF2';
151         $this->_hex    .= 'FEF3FEF40640064006400640060C060C060C060C061F061F061F061F';
152         $this->_hex    .= '061B061B061B061B';
167         $this->_hex    .= '';
170         $this->_hex    .= 'FEF5FEF6FEF5FEF6FEF7FEF8FEF7FEF8FEF9FEFAFEF9FEFAFEFBFEFC';
171         $this->_hex    .= 'FEFBFEFC';
193         return substr($this->_hex, $pos, 4);