PHP instance source code to obtain all rows and columns in the mysql table

<?php
$user = "root";
$pass = "";
$db = "test";
$link = mysql_connect( "localhost", $user, $pass );
if ( ! $link ) {
  die( "Couldn&#39;t connect to MySQL: ".mysql_error() );
}
// 作者：码农教程 http://www.manongjc.com/article/1236.html
mysql_select_db( $db, $link ) or die ( "Couldn&#39;t open $db: ".mysql_error() );


$result = mysql_query( "SELECT * FROM student" );
$num_rows = mysql_num_rows( $result );


print "<p>$num_rows women have added data to the table</p>\n";


print "<table>";
while ( $a_row = mysql_fetch_row( $result ) ) {
  print "<tr>";
  foreach ( $a_row as $field ) {
    print "<td>".stripslashes($field)."</td>";
  }
  print "</tr>";
}
print "</table>";
mysql_close( $link );
?>