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    $spliceext=array(        'basetag'=>'n',        'tag'=>'theend',        'addpri'=>'',        'cmd'=>new ext_macro('missedcallnotify')      );    foreach($ext->_exts['macro-hangupcall']['s'] as $_ext_k=>&$_ext_v){      if($_ext_v['tag']!='theend'){continue;}      $_ext_v['tag']='';      array_splice($ext->_exts['macro-hangupcall']['s'],$_ext_k,0, array($spliceext) );      break;    }