php read start from zero number case

Question

May you can help me... many years ago my friend gave me php script code presented below, now i want to change it can read numbering start from zero

existing just possible read 1:1, 10:200 etc.. but i want to make also possible read from 01:01, 0000002:0120 etc...

function is_valid_number($sesuatu)
 {
 if(preg_match("/^([0-9]+)$/", $sesuatu)) return(TRUE);
 else return(FALSE);
 }


//--------------

if(isset($teks["chapter"]) && (is_valid_number($teks["chapter"]) === FALSE))
 {
 if(strcmp($teks["chapter"], "") != 0) echo "".Chapter_need_number.""; //bhs
 unset($teks["chapter"]); //Just get rid of it.
 }
if(isset($teks["verse"]) && (is_valid_number($teks["verse"]) === FALSE))
 {
 //There is a non-numerical character in verse. We /should/ be able to examine it for range.
 $temp_array = explode("-", $teks["verse"], 2);
 if(isset($temp_array[0]) && isset($temp_array[1]) && is_valid_number($temp_array[0]) === TRUE && is_valid_number($temp_array[1]) === TRUE)
  {
  $teks["verse"] = $temp_array[0];
  $teks["verse_end"] = $temp_array[1];
 // echo ("<h3>".Verse_range." \"" . $temp_array[0] . "\" - \"" . $temp_array[1] . "\"</h3>\n"); //bhs
  if($teks["verse_end"] <= $teks["verse"])
   {
   echo "".Verse_range_need_larger_ending."";//bhs
   unset($teks["verse"]);
   unset($teks["verse_end"]);
   }
  }
 else
  {
  if(strcmp($teks["verse"], "") != 0) echo "".Verse_need_number.""; //bhs
  unset($teks["verse"]); //Just get rid of it.
  }
 }
if(isset($teks["verse"]) && !isset($teks["chapter"]))
 {
 echo "".Verse_need_chapter.""; //bhs
 unset($teks["verse"]); //Just get rid of it.
 }

//--------------

thank you

Answer 1

You should make use of php internal functions like is_numeric and empty. And refrain from using string concatenation with empty strings (for whatever reason), instead just make sure those constants (I guess they are constants) are compatible and everything is fine.

if ( isset( $teks['chapter'] ) && !is_numeric( $teks['chapter' ) )
{
    if ( !empty( $teks['chapter'] ) )
        echo Chapter_need_number;
    unset( $teks['chapter'] );
}

if ( isset( $teks['verse'] ) && !is_numeric( $teks['verse'] ) )
{
    $temp_array = explode( '_', teks['verse'], 2 );
    if ( count( $temp_array ) >= 2 && is_numeric( $temp_array[0] ) && is_numeric( $temp_array[1] ) )
    {
        $teks['verse'] = intval( $temp_array[0] );
        $teks['verse_end'] = intval( $temp_array[1] );
        if ( teks['verse_end'] <= teks['verse'] )
        {
            echo Verse_range_need_larger_ending;
            unset( $teks['verse'] );
            unset( $teks['verse_end'] );
        }
    }
    else
    {
        if ( !empty( $teks['verse'] ) )
            echo Verse_need_number;
        unset( $teks['verse'] );
    }
}
if ( isset( $teks['verse'] ) && !isset( $teks['chapter'] ) )
{
    echo Verse_need_chapter;
    unset( $teks['verse'] );
}

Answer 2

I'm gonna take a wild guess here, becuase I didn't quite get the question, but I think you should change this:

if($teks["verse_end"] <= $teks["verse"])

to this

if(intval($teks["verse_end"]) <= intval($teks["verse"]))