Linux and UNIX Man Pages

Linux & Unix Commands - Search Man Pages

mysql_num_fields(3) [php man page]

MYSQL_NUM_FIELDS(3)							 1						       MYSQL_NUM_FIELDS(3)

mysql_num_fields - Get number of fields in result

SYNOPSIS
Warning This extension is deprecated as of PHP 5.5.0, and will be removed in the future. Instead, the MySQLi or PDO_MySQL extension should be used. See also MySQL: choosing an API guide and related FAQ for more information. Alternatives to this function include: omysqli_field_count(3) o PDOStatement::columnCount int mysql_num_fields (resource $result) DESCRIPTION
Retrieves the number of fields from a query. o $ result -The result resource that is being evaluated. This result comes from a call to mysql_query(3). Returns the number of fields in the result set resource on success or FALSE on failure. Example #1 A mysql_num_fields(3) example <?php $result = mysql_query("SELECT id,email FROM people WHERE id = '42'"); if (!$result) { echo 'Could not run query: ' . mysql_error(); exit; } /* returns 2 because id,email === two fields */ echo mysql_num_fields($result); ?> Note For backward compatibility, the following deprecated alias may be used: mysql_numfields(3) mysql_select_db(3), mysql_query(3), mysql_fetch_field(3), mysql_num_rows(3). PHP Documentation Group MYSQL_NUM_FIELDS(3)

Check Out this Related Man Page

MYSQL_FETCH_ROW(3)							 1							MYSQL_FETCH_ROW(3)

mysql_fetch_row - Get a result row as an enumerated array

SYNOPSIS
Warning This extension is deprecated as of PHP 5.5.0, and will be removed in the future. Instead, the MySQLi or PDO_MySQL extension should be used. See also MySQL: choosing an API guide and related FAQ for more information. Alternatives to this function include: omysqli_fetch_row(3) o PDOStatement::fetch array mysql_fetch_row (resource $result) DESCRIPTION
Returns a numerical array that corresponds to the fetched row and moves the internal data pointer ahead. o $ result -The result resource that is being evaluated. This result comes from a call to mysql_query(3). Returns an numerical array of strings that corresponds to the fetched row, or FALSE if there are no more rows. mysql_fetch_row(3) fetches one row of data from the result associated with the specified result identifier. The row is returned as an array. Each result column is stored in an array offset, starting at offset 0. Example #1 Fetching one row with mysql_fetch_row(3) <?php $result = mysql_query("SELECT id,email FROM people WHERE id = '42'"); if (!$result) { echo 'Could not run query: ' . mysql_error(); exit; } $row = mysql_fetch_row($result); echo $row[0]; // 42 echo $row[1]; // the email value ?> Note This function sets NULL fields to the PHP NULL value. mysql_fetch_array(3), mysql_fetch_assoc(3), mysql_fetch_object(3), mysql_data_seek(3), mysql_fetch_lengths(3), mysql_result(3). PHP Documentation Group MYSQL_FETCH_ROW(3)
Man Page