Jifunze tofauti kati ya PHP PDO na MySQLi, jinsi zinavyoshughulikia errors, na njia bora ya kuchagua kwa projects zako za PHP MySQL.

Utangulizi

Kila developer wa PHP anapokuwa anakabiliana na MySQL, lazima ajue tofauti kati ya:

MySQLi

PDO (PHP Data Objects)

Tatizo ni: errors zinaweza kutokea kutokana na uelewa mdogo wa tofauti hizi. Katika post hii, tutajifunza tofauti kuu, error handling, na recommendations kwa beginners na intermediate developers.

MySQLi Errors
1️⃣ Connection Errors
$conn = mysqli_connect('localhost','root','','faulink_blog');
if(!$conn){
die("Connection failed: " . mysqli_connect_error());
}

Huonyesha error message moja kwa moja

Rahisi kwa beginners

2️⃣ Query Errors
$result = mysqli_query($conn, "SELECT * FROM users");
if(!$result){
die(mysqli_error($conn));
}

Error ni specific na inatoa clue ya tatizo

PDO Errors
1️⃣ Connection Errors
try{
$pdo = new PDO('mysql:host=localhost;dbname=faulink_blog','root','');
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
}catch(PDOException $e){
echo "Connection failed: " . $e->getMessage();
}

Errors zinapewa exceptions

Inakuwezesha try-catch block

Bora kwa projects kubwa

2️⃣ Query Errors
$stmt = $pdo->prepare("SELECT * FROM users");
try{
$stmt->execute();
}catch(PDOException $e){
echo "Query failed: " . $e->getMessage();
}

Errors zinashughulikiwa kwa exception handling

Flexible na safe

Tofauti Kuu Kati ya PDO na MySQLi
Kitu MySQLi PDO
Database Support MySQL tu Multiple (MySQL, PostgreSQL, SQLite...)
Error Handling mysqli_error() Exceptions (try-catch)
Prepared Statements Optional Recommended & safe
Flexibility Low High
Recommendation

Beginner small project: MySQLi inaweza kutosha

Intermediate/Advanced or multiple DB projects: PDO inapendekezwa

Security: PDO na prepared statements = SQL Injection prevention