MySQLi_STMT
PHP Manual

mysqli_stmt->param_count

mysqli_stmt_param_count

(PHP 5)

mysqli_stmt->param_count -- mysqli_stmt_param_countReturns the number of parameter for the given statement

설명

Object oriented style (property):

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_STMT
PHP Manual