5 Years ago PHP(Functions) 0

Use this function to download a file from web to local machine.

function WgetFile( $URL, $dir )
{
   $nomefile = $dir . "/" . basename( $URL );
   if ( copy( $URL, $nomefile ) ) {
      return true;
   }
   else {
      return false;
   }
}
 
//Save file to drive c:
WgetFile( 'http://vtwo.ir/src/v2-logo.png', 'c:/' );

5 Years ago(Updated in 5 Years ago) PHP(Functions) 0

Use this function for change timestamp to custom format...

5 Years ago PHP(Functions) 0

This function return formatting of file sizes in a human readable format.

function formatFileSize( $size )
{
   $file_size = $size;
   $i = 0;
 
   $name = array( 'byte', 'kB', 'MB', 'GB' );
 
   while ( $file_size > 1000 ) {
      $i++;
      $file_size = $file_size / 1024;
   }
 
   return round( $file_size, 2 ) . " " . $name[$i];
 
}
 
echo formatFileSize( 1024 * 1024 ); //out = 1 MB

5 Years ago PHP(Functions) 0

Create directory if not exists.

function createDir( $dir )
{
   if ( !is_dir( $dir ) ) {
      mkdir( $dir, 0777 );
      return true;
   }
   return false;
}

5 Years ago PHP(Functions) 0

If file exists then delete the file.

function delFile( $file_name )
{
   if ( file_exists( $file_name ) ) // Does '$file_name' exist
      {
      unlink( $file_name );
      return true;
   }
   return false;
}

5 Years ago(Updated in 5 Years ago) PHP(Functions) 0

Chek if a phone numbers is valid, according to its syntax (should be: "+390523599314"). True if it's valid, False otherwise

function is_valid_phone( $phone ) 
{
   if ( $phone[0] != "+" ) {
      return false;
   } // end if
   else {
      $phone = substr( $phone, 1 ); // delete the "+"
      if ( !is_numeric( $phone ) ) {
         return false;
      } // end if
   } // end else
   return true;
} // end function is_valid_phone

5 Years ago PHP(Functions) 0(Disable)

If you want to delete everything from folder (including subfolders) use this function.

function removeDir( $dir )
{
   if ( is_dir( $dir ) ) {
      $objects = scandir( $dir );
      foreach ( $objects as $object ) {
         if ( $object != "." && $object != ".." ) {
            if ( filetype( $dir . "/" . $object ) == "dir" ) {
               rrmdir( $dir . "/" . $object );
            }
            else {
               unlink( $dir . "/" . $object );
            }
         }
      }
 
      reset( $objects );
      rmdir( $dir );
   }
 
   return true;
}
 
removeDir( '/foo/' );

5 Years ago(Updated in 5 Years ago) PHP(Functions) 0

Translates a number to a short alhanumeric version. e.g.: 9007199254740989 --> PpQXn7COf
In most cases this is better than totally random ID generators because this can easily avoid duplicate ID's. For example if you correlate the alpha ID to an auto incrementing ID in your database, you're done.
more info on limitation: http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/165372
"alphaID maker"

5 Years ago PHP(Functions) 0(Disable)

Escapes special characters in a string for use in an SQL statement. howewer it check get_magic_quotes_gpc function is enable or no. if true , it strips string from slashes and escaped string from special characters in a string for use in an SQL statement.

function sql_escape_string( $str, $conn = '' )
{
   if ( get_magic_quotes_gpc() )
      $str = stripslashes( $str );
   //check if this function exists
   if ( function_exists( "mysql_real_escape_string" ) and $conn )
      $str = mysql_real_escape_string( $str, $conn );
   else
      $str = addslashes( $str ); //for PHP version < 4.3.0 use addslashes
   return $str;
}

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