Php/docs/function.db2-field-width

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db2_field_width

(PECL ibm_db2 >= 1.0.0)

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


说明

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

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.


参数

stmt
Specifies a statement resource containing a result set.
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.


返回值

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() returns false.


参见