14c09-1.php

来自「介绍PHP5的给类型函数应用」· PHP 代码 · 共 33 行

<?php
// This is a small header file that will connect to the database for us
//  and provide some convenience functions:

// An error handling routine
function blog_error($pdo) {
    // Read the error, and exit printing it to the screen:
    $errinfo = $pdo->errorInfo();
    die("SQL ERROR: {$errinfo[2]}");
}
    
// Provide a function that connects to the database for us:
function blog_connect() {
    // Open the database:
    if (!($pdo = new PDO('sqlite:blog.db'))) {
        blog_error($pdo);
    }
    
    // Return the connection
    return $pdo;
}

// A function that will do queries for us, taking care of error trapping
function blog_query($pdo, $sql) {
    // Run the query:
    if (!($results = $pdo->query($sql))) {
        blog_error($pdo);
    }

    // Return the results
    return $results;
}
?>