Why am I Getting Syntax Errors When Using Nested Ternary Operators in PHP?

Understanding Nested Ternary Operators

In PHP, using nested ternary operators can simplify code and enhance its readability. However, encountering syntax errors is not uncommon.

The provided code attempts to use nested ternary operators, but an error is likely due to the missing parentheses around the second ternary operation. The corrected expression should be:

<code class="php">isset($_POST['selectedTemplate'])
? $_POST['selectedTemplate']
: (isset($_GET['selectedTemplate']) ? $_GET['selectedTemplate'] : 0);</code>

Alternatively, a proper if/else statement can be employed for better maintainability:

<code class="php">$selectedTemplate = 0;
if (isset($_POST['selectedTemplate'])) {
    $selectedTemplate = $_POST['selectedTemplate'];
} elseif (isset($_GET['selectedTemplate'])) {
    $selectedTemplate = $_GET['selectedTemplate'];
}</code>

However, for simplicity, it's recommended to use the $_REQUEST[] array, which combines both $_POST[] and $_GET[] arrays:

<code class="php">isset($_REQUEST['selectedTemplate'])
? $_REQUEST['selectedTemplate']
: 0;</code>

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