PHP function to convert duration into seconds

 Function to convert duration into seconds. Function accepts duration in the format hour:minutes:seconds (hh:mm:ss)  and this is converted into seconds.





function convertDurationToSeconds($dur){
    // the input should be in format hh:mm:ss (example: 01:05:09)
  $DurationInSeconds=0;
    // checks the presence of ":" twice
    if( substr_count($dur,":" ) == 2 ){
        $arrDuration= @explode( ":",$dur );
      if( is_array( $arrDuration ) && count($arrDuration) == 3 ){
    // multiplies the hour part with 3600  , multiplies the minutes part with 60 and add all this with second part value
         $DurationInSeconds = ( intval( $arrDuration[0] ) * 3600 ) + ( intval( $arrDuration[1] ) * 60 ) + intval( $arrDuration[2] );
        }     
   
    }

        return $DurationInSeconds;
}
// End of function 

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