Online PHP editor | output for 0NJSo

@ 2014-09-26T17:36:55Z

<?php
$configArray = array(
    'grand_total' =>
        array(
            'after' =>
                array(
                    0 => 'subtotal',
                ),
            'before' =>
                array(),
            '_code' => 'grand_total',
        ),
    'discount' =>
        array(
            'after' => array(),
            'before' => array('grand_total'),
            '_code' => 'discount',
        ),
);

reset($configArray);
$element = current($configArray);
foreach ($configArray as $code => $data) {
    foreach ($data['before'] as $beforeCode) {
        if (!isset($configArray[$beforeCode])) {
            continue;
        }
        $configArray[$code]['before'] = array_unique(
            array_merge(
                $configArray[$code]['before'],
                $configArray[$beforeCode]['before']
            )
        );
        $configArray[$beforeCode]['after'] = array_merge(
            $configArray[$beforeCode]['after'],
            array($code),
            $data['after']
        );
        $configArray[$beforeCode]['after'] = array_unique($configArray[$beforeCode]['after']);
    }
    foreach ($data['after'] as $afterCode) {
        if (!isset($configArray[$afterCode])) {
            continue;
        }
        $configArray[$code]['after'] = array_unique(
            array_merge(
                $configArray[$code]['after'],
                $configArray[$afterCode]['after']
            )
        );
        $configArray[$afterCode]['before'] = array_merge(
            $configArray[$afterCode]['before'],
            array($code),
            $data['before']
        );
        $configArray[$afterCode]['before'] = array_unique($configArray[$afterCode]['before']);
    }
}
uasort($configArray, 'compareTotals');

print_r($configArray);

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Fatal error: Uncaught TypeError: uasort(): Argument #2 ($callback) must be a valid callback, function "compareTotals" not found or invalid function name in /in/0NJSo:59 Stack trace: #0 /in/0NJSo(59): uasort(Array, 'compareTotals') #1 {main} thrown in /in/0NJSo on line 59
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Warning: uasort() expects parameter 2 to be a valid callback, function 'compareTotals' not found or invalid function name in /in/0NJSo on line 59 Array ( [grand_total] => Array ( [after] => Array ( [0] => subtotal [1] => discount ) [before] => Array ( ) [_code] => grand_total ) [discount] => Array ( [after] => Array ( ) [before] => Array ( [0] => grand_total ) [_code] => discount ) )
Output for 5.2.5 - 5.2.17: Warning: uasort(): Invalid comparison function in /in/0NJSo on line 59 Array ( [grand_total] => Array ( [after] => Array ( [0] => subtotal [1] => discount ) [before] => Array ( ) [_code] => grand_total ) [discount] => Array ( [after] => Array ( ) [before] => Array ( [0] => grand_total ) [_code] => discount ) )
Output for 4.3.9 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.4: Warning: uasort(): Invalid comparison function. in /in/0NJSo on line 59 Array ( [grand_total] => Array ( [after] => Array ( [0] => subtotal [1] => discount ) [before] => Array ( ) [_code] => grand_total ) [discount] => Array ( [after] => Array ( ) [before] => Array ( [0] => grand_total ) [_code] => discount ) )
Output for 4.3.0 - 4.3.8: Array ( [discount] => Array ( [after] => Array ( ) [before] => Array ( [0] => grand_total ) [_code] => discount ) [grand_total] => Array ( [after] => Array ( [0] => subtotal [1] => discount ) [before] => Array ( ) [_code] => grand_total ) )

preferences:dark modelive preview