Latest10 Most Popular PHP Code Snippets Every Developer Should Know

In this article, we'll explore 10 of the most popular PHP code snippets every developer should know.

·2 min read
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PHP is a powerful scripting language that's widely used for web development. It's known for its simplicity and versatility, making it a favorite among many developers. In this post, we'll explore the 10 most popular PHP code snippets that you should have in your arsenal. These snippets are handy for various tasks, from connecting to a database to handling arrays. Let's dive in!

1. Connecting to a MySQL Database

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

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

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

2. Sending an Email with PHP mail() function

$to = "";
$subject = "My subject";
$txt = "Hello world!";
$headers = "From:" . "\r\n" .


3. Need to redirect your users to another page?

$name = "user";
$value = "John Doe";
$expire = time()+60*60*24*7;
setcookie($name, $value, $expire);

5. Define a constant

define("GREETING", "Welcome to Code Snippets AI!");

6. Query a MySQL Database

$sql = "SELECT id, firstname, lastname FROM MyGuests";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
// output data of each row
while($row = $result->fetch_assoc()) {
    echo "id: " . $row["id"]. " - Name: " . $row["firstname"]. " " . $row["lastname"]. "<br>";
} else {
echo "0 results";

7. Create a simple function

function greet($name) {
    echo "Hello, $name!";
greet('John Doe');

8. Handling arrays

$cars = array("Volvo", "BMW", "Toyota");

foreach ($cars as $car) {
    echo "$car <br>";

9. Error Reporting

ini_set('display_errors', 1);

10. File Handling

$file = fopen("test.txt","w");
$txt = "Hello World!";
fwrite($file, $txt);

These are just a few of the many PHP code snippets that you can use to make your coding life easier. With Code Snippets AI, you can store these snippets and more in your team's secure, online code snippets library. Happy coding!

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