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Dynamic hyperlinked navigation bars

Dynamic hyperlinked navigation bars

<?php 
    /* 
      *  TODO: 
      *      o    Read  array  from  a  flat  text  file 
      *      o    Read  array  from  database 
      *      o    Support  for  graphical  buttons  instead  of  just  text 
      *      o    Support  for  frame  targets 
      */ 

    /*  User  configurable  variables  */ 

    $links_arr  =  array( 
        "Test  Page  1"  =>  "/~dougal/test1.phtml", 
        "Test  Page  2"  =>  "/~dougal/test2.phtml", 
        "Test  Page  3"  =>  "/~dougal/test3.phtml" 
    ); 

    $separator  =  "  |  ";  /*  Put  a  vertical  bar  between  links  */ 

    /*  Main  code  begins  here  */ 
     
    /*  Step  through  the  array....  */ 
    for  (reset($links_arr);  $name  =  key($links_arr);  next($links_arr))  { 

        $hyper  =  1;  /*  Hyperlink  on  by  default  */ 

        /* 
          *  If  the  current  page  URI  matches  the  current  array   
element,   
          *  don't  add  the  <A  HREF....>  stuff.  Use  the  $hyper  var  to   
flag  it. 
          */ 
        if  ($REQUEST_URI  ==  $links_arr[$name])  { 
            $hyper  =  0;  /*  Don't  hyperlink  a  page  to  itself  */ 
        } 

        /*  Conditionally  do  the  <A  HREF...>  part  for  hyperlinks  */ 
        if  ($hyper)  { 
            print  "<A  HREF=\""  .  $links_arr[$name]  .  "\">"; 
        } 

        print  $name;    /*  Print  the  name  of  the  link  */ 

        if  ($hyper)  {  print  "</A>";  }  /*  Close  the  hyperlink  */ 

        /*  Do  fancy  tricks  to  print  separators  between  links   
          *  The  next/prev  stuff  keeps  it  from  putting  a  trailing  '|' 
          *  at  the  end  of  the  list  by  testing  to  see  if  we  are   
currently
          *  looking  at  the  last  element  of  the  $links_arr  array. 
          */ 
        if  (next($links_arr))    {  print  $separator;  prev($links_arr);  }   
    } 
?>