is_numeric

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Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Finds whether a variable is a number or a numeric string
<?php is_numeric(mixed $value): bool
<?php                     $responseNode->appendChild($parent);

                    

                    foreach ($value as $subKey => $item) {

                        if (is_numeric($subKey)) {

                            $node = $dom->createElement($key, $item);

                            $parent->appendChild($node);

                        } else {
src/Factories/ResponseDocXmlFactory.php