? ?? ???? PHP? ??? ?? ????? ??????? ???? ?? ?? ?? ????? ?? ? ??? ?? ????. ??? ????? ?? ? PHP? ???? ????? ??? ?? ?? ??? ???? ?? ????? ?? ???? ? ????. ? ????? ?? ???? ??? ???? ?? 10?? ?? PHP ?? ??? ?????.

1. ??????? ??

MySQL ??????? ?? ?? ??? PHP? ?????. ???? ???? ??? ??? ????.

$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database";

$conn = new mysqli($servername, $username, $password, $dbname);

if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

?:
?????? ?? ??? ?? ??? ??? ????? ?? ?? ??? ?????.

2. ???????? ??? ????

???????? ???? ???? ?? ?? ??????? ?? ?????. ? ???? ???? ???? ????? ?????.

$sql = "SELECT * FROM table_name";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    while ($row = $result->fetch_assoc()) {
        echo "id: " . $row["id"] . " - Name: " . $row["name"] . "<br>";
    }
} else {
    echo "0 results";
}

?:
??? ?? ???? SQL ??? ?????.

3. ??????? ??? ??

??????? ???? ???? ?? ???? ?????. ???? ?? ??? ??? ????.

$sql = "INSERT INTO table_name (name, email) VALUES ('John Doe', 'john@example.com')";

if ($conn->query($sql) === TRUE) {
    echo "New record created successfully";
} else {
    echo "Error: " . $sql . "<br>" . $conn->error;
}

?:
??? ??? ??????? ???? ?? ?? ???? ?????.

4. ??????? ??? ????

?? ????? ? ?? ?? ?????. ? ???? ???? ??? ??? ??? ?????.

$sql = "UPDATE table_name SET email='john.doe@example.com' WHERE name='John Doe'";

if ($conn->query($sql) === TRUE) {
    echo "Record updated successfully";
} else {
    echo "Error updating record: " . $conn->error;
}

?:
????? ????? ????? ??? ?? ? ?? ?????.

5. ???????? ??? ??

??? ??????? ????? ? ?? ???? ?? ??? ???? ?? ?????.

$sql = "DELETE FROM table_name WHERE id=1";

if ($conn->query($sql) === TRUE) {
    echo "Record deleted successfully";
} else {
    echo "Error deleting record: " . $conn->error;
}

?:
???? ??? ??? ????? delete_at ?? ???? ?? ??? ?????.

6. ?? ??? ??

??? ???? ???? ??? ??? ????? ?? ?? ??? ??????.

if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $name = trim($_POST["name"]);
    if (empty($name)) {
        echo "Name is required";
    }
}

?:
??? ??? ???? ????? PHP ??? ?????.

7. ??? ???

PHP? mail() ??? ???? ???? ?? ?? ? ??? ?? ??? ?? PHPMailer? ?? ?????? ???? ?? ??? ???.

$to = "recipient@example.com";
$subject = "Subject";
$message = "Hello!";
$headers = "From: sender@example.com";

mail($to, $subject, $message, $headers);

?:
???? ??? ??? ?? SMTP ??? ?????.

8. ???? ?? ??? ??

??? ?? ??? ???? ?????? ??? ??? ???? ? ??? ? ? ????.

if (empty($array)) {
    echo "Array is empty.";
}

?:
?? ? ??? null ?? ?? ???? ?? ???? ?? count($array) === 0? ?????.

9. ?? ??

??? ?? ??? ?? ??????, ?? ??? ??? ?? ?????.

$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database";

$conn = new mysqli($servername, $username, $password, $dbname);

if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

?:
?? ????? ????? ??? ? ?? ID? ?? ?????.

10. ???? ??

????? ???? ???? ?? ?? ??????? ?? ?????. ??? ?? PHP ?? ??? ?????.

$sql = "SELECT * FROM table_name";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    while ($row = $result->fetch_assoc()) {
        echo "id: " . $row["id"] . " - Name: " . $row["name"] . "<br>";
    }
} else {
    echo "0 results";
}

?:
???? ???? ?? ????_??()? ???? ??()? ?????.

?? PHP ?? ?? ??? ???? ???? ????? ???? ???? ?? ???? ? ????. ?????? ??? ????, ?? ???? ????, ??? ???? ??? ??? ????? ???? ??? ?? ??? ???. ??? ??? ????? ???? ???? ??? ??????? ? ??? ??? ? ????. ?? ???? ????? ??? ??? ??? ?? ??? PHP ?? ???? ???? ????? ?? ??? ????? ? ??? ??? ?? ? ????.

? ??? ?? ???? ???? ???? ?? PHP ?? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!