[PHP-NOTES] note 130434 added to function.empty

// 1) Define your cases with descriptive keys
$testCases = [
    'empty_string_single'   => '',
    'empty_string_double'   => "",
    'null_value'            => null,
    'empty_array'           => [],
    'false_bool'            => false,
    'uppercase_NULL'        => NULL,
    'string_zero'           => '0',
    'int_zero'              => 0,
];

// 2) Start HTML table
echo '<table border="1" cellpadding="4" cellspacing="0">';
echo '<tr>
        <th>Case</th>
        <th>Raw Value</th>
        <th>Type</th>
        <th>empty()?</th>
      </tr>';

// 3) Iterate and report
foreach ($testCases as $label => $value) {
    $raw    = var_export($value, true);
    $type   = gettype($value);
    $result = empty($value) ? 'true' : 'false';

    echo "<tr>
            <td>{$label}</td>
            <td><code>{$raw}</code></td>
            <td>{$type}</td>
            <td>{$result}</td>
          </tr>";
}

echo '</table>';
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Manual Page -- https://php.net/manual/en/function.empty.php
Edit        -- https://main.php.net/note/edit/130434
Del: integrated  -- https://main.php.net/note/delete/130434/integrated
Del: useless     -- https://main.php.net/note/delete/130434/useless
Del: bad code    -- https://main.php.net/note/delete/130434/bad+code
Del: spam        -- https://main.php.net/note/delete/130434/spam
Del: non-english -- https://main.php.net/note/delete/130434/non-english
Del: in docs     -- https://main.php.net/note/delete/130434/in+docs
Del: other reasons-- https://main.php.net/note/delete/130434
Reject      -- https://main.php.net/note/reject/130434
Search      -- https://main.php.net/manage/user-notes.php