mysql_field_len(3) [php man page]

MYSQL_FIELD_LEN(3)							 1							MYSQL_FIELD_LEN(3)

mysql_field_len - Returns the length of the specified field

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_field_direct(3) [length]

		     o PDOStatement::getColumnMeta [len]

       int mysql_field_len (resource  $result, int  $field_offset)

DESCRIPTION

       mysql_field_len(3) returns the length of the specified field.

	      o $
		result -The result resource that is being evaluated. This result comes from a call to mysql_query(3).

	      o $
		field_offset -The numerical field offset. The $field_offset starts at 0. If $field_offset  does  not  exist,  an  error  of  level
		E_WARNING is also issued.

	The length of the specified field index on success or FALSE on failure.

       Example #1

	      mysql_field_len(3) example

	      <?php
	      $result = mysql_query("SELECT id,email FROM people WHERE id = '42'");
	      if (!$result) {
		  echo 'Could not run query: ' . mysql_error();
		  exit;
	      }

	      // Will get the length of the id field as specified in the database
	      // schema.
	      $length = mysql_field_len($result, 0);
	      echo $length;
	      ?>

       Note

	       For backward compatibility, the following deprecated alias may be used: mysql_fieldlen(3)

       mysql_fetch_lengths(3), strlen(3).

PHP Documentation Group 													MYSQL_FIELD_LEN(3)

MYSQL_FIELD_TABLE(3)							 1						      MYSQL_FIELD_TABLE(3)

mysql_field_table - Get name of the table the specified field is in

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_field_direct(3) [table] or [orgtable]

		     o PDOStatement::getColumnMeta [table]

       string mysql_field_table (resource  $result, int  $field_offset)

DESCRIPTION

	Returns the name of the table that the specified field is in.

	      o $
		result -The result resource that is being evaluated. This result comes from a call to mysql_query(3).

	      o $
		field_offset -The numerical field offset. The $field_offset starts at 0. If $field_offset  does  not  exist,  an  error  of  level
		E_WARNING is also issued.

	The name of the table on success.

       Example #1

	      A mysql_field_table(3) example

	      <?php

	      $query = "SELECT account.*, country.* FROM account, country WHERE country.name = 'Portugal' AND account.country_id = country.id";

	      // get the result from the DB
	      $result = mysql_query($query);

	      // Lists the table name and then the field name
	      for ($i = 0; $i < mysql_num_fields($result); ++$i) {
		  $table = mysql_field_table($result, $i);
		  $field = mysql_field_name($result, $i);

		  echo	"$table: $field
";
	      }

	      ?>

       Note

	       For backward compatibility, the following deprecated alias may be used: mysql_fieldtable(3)

       mysql_list_tables(3).

PHP Documentation Group 												      MYSQL_FIELD_TABLE(3)