mysqli_stmt::num_rows
mysqli_stmt::prepare
MySQLi_STMT
PHP Manual

# mysqli_stmt->param_count

# mysqli_stmt_param_count

(PHP 5)

mysqli_stmt->param_count -- mysqli_stmt_param_count — Returns the number of parameter for the given statement

### 설명

Object oriented style (property):

mysqli_stmt
int $param_count;

Procedural style:

int mysqli_stmt_param_count ( mysqli_stmt `$stmt` )

Returns the number of parameter markers present in the prepared statement.

### 인수

`stmt`

  순차 형식 전용: mysqli_stmt_init()가 반환한 statement 식별자.

### 반환값

Returns an integer representing the number of parameters.

### 예제

Example #1 Object oriented style

`<?php
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
if ($stmt = $mysqli->prepare("SELECT Name FROM Country WHERE Name=? OR Code=?")) {
$marker = $stmt->param_count;
printf("Statement has %d markers.\n", $marker);
/* close statement */
$stmt->close();
}
/* close connection */
$mysqli->close();
?>`

Example #2 Procedural style

`<?php
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
if ($stmt = mysqli_prepare($link, "SELECT Name FROM Country WHERE Name=? OR Code=?")) {
$marker = mysqli_stmt_param_count($stmt);
printf("Statement has %d markers.\n", $marker);
/* close statement */
mysqli_stmt_close($stmt);
}
/* close connection */
mysqli_close($link);
?>`

위 예제의 출력:

    Statement has 2 markers.

### 참고

- mysqli_prepare() - Prepare a SQL statement for execution

mysqli_stmt::num_rows
mysqli_stmt::prepare
MySQLi_STMT
PHP Manual