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@hjpbarcelos
Last active December 17, 2015 11:49
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<?php
/**
* Retorna o parâmetro POST se a chave $key existe em $_POST.
* Caso não esteja, o valor $default será retornado.
* Se nenhum valor $default for informado, retorna null.
*
* @return string|null
*/
function getPost($key, $defalt = null) {
if (isset($_POST[$key]) && !empty(isset($_POST[$key]))) {
return $_POST[$key] ;
}
return $default === null ? null : (string) $default;
}
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