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';
}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';
}what is php?
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.<?PHP>
<?php
echo "Hello world";
// ... more code
echo "Last statement";
// the script ends here with no PHP closing tagphp ?:
// 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'];
}Copyright © 2021 Codeinu
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