note 25692 added to control-structures.foreach
| From: | draco at rack1 dot php dot net | Date: | Wed, 02 Oct 2002 14:05:12 +0000 |
| Subject: | note 25692 added to control-structures.foreach | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-37545@lists.php.net to get a copy of this message | ||
Here is a nice complicated example from a production environment. (Names of classes and variables
have been changed because the software is still very hush-hush around here.) It illustrates the use
of foreach() to trace through class object fields, as well as details of using object references as
arguments to foreach().
_____________________________
class Record
{
var $id ;
var $stuff1;
var $stuff2;
function Record( $csv_array )
{
$this->id = $csv_array[0] ;
$this->stuff1 = $csv_array[1] ;
$this->stuff2 = $csv_array[2] ;
} // end of Record()
function toHTMLrow()
{
print " <tr>\n" ;
foreach( $this as $col => $value )
print " <td>" . $value . "</td>\n" ;
print " </tr>\n" ;
return ;
} // end of toHTMLrow()
} // end of Record class
class DataTable
{
var $rows ; // should all be instances of Record
function DataTable( $fname )
{
$fp = fopen( $fname, 'r' )
while( $row = fgetcsv( $fp, 128 ) )
$this->rows[] = new Record( $row ) ;
fclose( $fp ) ;
} // end of DataTable()
} // end of DataTable class
$datatable = new DataTable( 'datafile.csv' ) ;
print "<html>\n<body>\n" ;
print "<table>\n <thead>\n <tr>\n" ;
$firstrow = $datatable->rows[0] ;
foreach( $firstrow as $col => $value )
print " <th>" . $col . "</th>\n" ;
print " </tr>\n </thead>\n <tbody>\n" ;
foreach( $datatable->rows as $index => $row )
if( $index > 0 ) $row->toHTMLrow() ;
print " </tbody>\n</table>\n" ;
print "</body>\n</html>" ;
--
http://www.php.net/manual/en/control-structures.foreach.php
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