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Javascript + PHP

Go to solution Solved by KTachyon,

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Bom dia pessoal, posso misturar Javascript com PHP, tipo isto:

function getSub(clicked){


    $queryGetClicked = "SELECT * FROM products_sub WHERE mainCat = '".?>clicked<?php."'";
    $resultGetClicked = $link->query($queryGetClicked);
    while($rowGetClicked = $resultGetClicked -> fetch_assoc()){

	    ?>alert(<?php echo $rowGetClicked['mainCat']; ?>);<?php




Ou seja, a minha questão é, dado que é uma função que só é ativada "onclick", o PHP só irá carregar quando a função for ativada ou carregará logo aquando a página carregue? É que não me está a funcionar o código. Obrigado!

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  • Solution

O PHP é executado no servidor. O Javascript é executado no browser. O PHP já foi executado quando o Javascript for executar.

Se queres fazer isto, crias um php isolado que faz a query e devolve os resultados. Depois no Javascript chamas o PHP e tratar os resultados.

“There are two ways of constructing a software design: One way is to make it so simple that there are obviously no deficiencies, and the other way is to make it so complicated that there are no obvious deficiencies. The first method is far more difficult.”

-- Tony Hoare

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