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checkbox e array


tlima

Question

Tenho um check box num form

<td><input type='checkbox' name='valor[]' value=emprestimo" ></td>

<td><input type='checkbox' name='valor[]' value="compra" ></td>

<td><input type='checkbox' name='valor[]' value="venda" ></td>

recebo esses dados dessa forma

foreach($_POST['valor] as $value) {

$tipo[$value] = $value ;

}

Ate aqui tudo bem, mas gostaria de fazer uma estrutura igual a de baixo, mas não consigo pegar esses dados dessa forma

if($tipo[$value] == 'emprestimo'){

executa uma query

}

if($tipo[$value] == 'compra'){

executa uma query

}

if($tipo[$value] == 'venda'){

executa uma query

}

alguém saberia?

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