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db2_bind_param (no version information, might be only in CVS) db2_bind_param --
Binds a PHP variable to an SQL statement parameter
説明bool db2_bind_param ( resource stmt, int parameter-number, string variable-name [, int parameter-type [, int data-type [, int precision [, int scale]]]] ) | 警告 | この関数は、
実験的なステータスにあります。これは、この関数の
動作、関数名、ここで書かれていること全てがPHPの将来のバージョンで予告
なく変更される可能性があることを意味します。注意を喚起するとともに自分
のリスクでこの関数を使用してください。 |
Binds a PHP variable to an SQL statement parameter in a statement resource
returned by db2_prepare(). This function gives you more
control over the parameter type, data type, precision, and scale for the
parameter than simply passing the variable as part of the optional input
array to db2_execute().
パラメータ
- stmt
A prepared statement returned from db2_prepare().
- parameter-number
Specifies the 1-indexed position of the parameter in the prepared
statement.
- variable-name
A string specifying the name of the PHP variable to bind to the
parameter specified by parameter-number.
- parameter-type
A constant specifying whether the PHP variable should be bound to the
SQL parameter as an input parameter (DB2_PARAM_IN),
an output parameter (DB2_PARAM_OUT), or as a
parameter that accepts input and returns output
(DB2_PARAM_INOUT).
- data-type
A constant specifying the SQL data type that the PHP variable should be
bound as: one of DB2_BINARY,
DB2_CHAR, DB2_DOUBLE, or
DB2_LONG .
- precision
Specifies the precision with which the variable should be bound to the
database.
- scale
Specifies the scale with which the variable should be bound to the
database.
戻り値
成功した場合に TRUE を、失敗した場合に FALSE を返します。
例
例 1. Binding PHP variables to a prepared statement
The SQL statement in the following example uses two input parameters in
the WHERE clause. We call db2_bind_param() to bind two
PHP variables to the corresponding SQL parameters. Notice that the PHP
variables do not have to be declared or assigned before the call to
db2_bind_param(); in the example,
$lower_limit is assigned a value before the call to
db2_bind_param(), but $upper_limit
is assigned a value after the call to
db2_bind_param(). The variables must be bound and, for
parameters that accept input, must have any value assigned, before calling
db2_execute().
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<?php
$sql = 'SELECT name, breed, weight FROM animals
WHERE weight > ? AND weight < ?';
$conn = db2_connect($database, $user, $password);
$stmt = db2_prepare($conn, $sql);
$lower_limit = 1;
db2_bind_param($stmt, 1, "lower_limit", DB2_PARAM_IN);
db2_bind_param($stmt, 2, "upper_limit", DB2_PARAM_IN);
$upper_limit = 15.0;
if (db2_execute($stmt)) {
while ($row = db2_fetch_array($stmt)) {
print "{$row[0]}, {$row[1]}, {$row[2]}\n";
}
}
?>
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上の例の出力は以下となります: Pook, cat, 3.2
Rickety Ride, goat, 9.7
Peaches, dog, 12.3 |
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