php null coalesce
// if $_POST['name'] doesn't exist $result will equal to John
$result = $_POST['name'] ?? 'John';php null coalesce
// if $_POST['name'] doesn't exist $result will equal to John
$result = $_POST['name'] ?? 'John';null collapse operator php
$name = $_GET['name'] ?? $user_name ?: 'anonymous';Copyright © 2021 Codeinu
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