php ?:

// Example usage for: Null Coalesce Operator
$action = $_POST['action'] ?? 'default';

// The above is identical to this if/else statement
if (isset($_POST['action'])) {
    $action = $_POST['action'];
} else {
    $action = 'default';
}

4.2
5
Awgiedawgie 440220 points

                                    PHP stands for Hypertext Preprocessor. 
It is an open source server-side scripting language which is widely used for web development.
It supports many databases like MySQL, Oracle, Sybase, Solid, PostgreSQL, generic ODBC etc.

4.2 (5 Votes)
0
0
0
Phoenix Logan 186120 points

                                    
<?php
echo "Hello world";

// ... more code

echo "Last statement";

// the script ends here with no PHP closing tag

0
0
3.71
7
Awgiedawgie 440220 points

                                    <?php
if ($a > $b)
  echo "a is bigger than b";
?>

3.71 (7 Votes)
0
4
1
A-312 69370 points

                                    ?: // !empty()
?? // isset()

4 (1 Votes)
0
4.2
10
Awgiedawgie 440220 points

                                    // Example usage for: Ternary Operator
$action = $_POST['action'] ?: 'default';

// The above is identical to this if/else statement
if (empty($_POST['action'])) {
    $action = 'default';
} else {
    $action = $_POST['action'];
}

4.2 (10 Votes)
0
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