php man page for db2_field_width

DB2_FIELD_WIDTH(3)							 1							DB2_FIELD_WIDTH(3)

db2_field_width - Returns the width of the current value of the indicated column in a result set

SYNOPSIS
       int db2_field_width (resource  $stmt, mixed  $column)

DESCRIPTION
	Returns the width of the current value of the indicated column in a result set. This is the maximum width of the column for a fixed-length
       data type, or the actual width of the column for a variable-length data type.

PARAMETERS
	      o $stmt
		- Specifies a statement resource containing a result set.

	      o $column
		- Specifies the column in the result set. This can either be an integer representing the 0-indexed position of the  column,  or  a
		string containing the name of the column.

RETURN VALUES
	Returns  an  integer  containing  the width of the specified character or binary data type column in a result set. If the specified column
       does not exist in the result set, db2_field_width(3) returns FALSE.

SEE ALSO
       db2_field_display_size(3), db2_field_name(3), db2_field_num(3), db2_field_precision(3), db2_field_scale(3), db2_field_type(3).

PHP Documentation Group 													DB2_FIELD_WIDTH(3)