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? ??? ?? PHP ???? jQuery? $.ajax? ???? JavaScript?? PHP ??? ???? ??? ??????

jQuery? $.ajax? ???? JavaScript?? PHP ??? ???? ??? ??????

Dec 30, 2024 pm 02:02 PM

How to Call a PHP Function from JavaScript using jQuery's $.ajax?

$.ajax? ???? JavaScript?? PHP ?? ??

??:

??? ? ? ???? PHP ????? ?? ?? ????? jQuery? ???? JavaScript?? ?????. $.ajax?

??:

$.ajax? ???? JavaScript?? PHP ??? ????? ?? ??? ????.

  1. PHP ?? ???: PHP ??? ?? ?? ?? ??? ????? logic.

    function test() {
    if (isset($_POST['something'])) {
        // Do something
    }
}

  2. $.ajax ?? ??: PHP ????? URL? ???? ?? ??? 'post'? ?????. ?? ??? PHP ??? ??? ???? ?? ???? 'action' ????? ??????.

    $.ajax({
    url: '/my/site',
    data: { action: 'test' },
    type: 'post'
});

  3. PHP ??? ?????. PHP ??? ????? ???? 'success' ??? ???? JavaScript?? ??? ??? ? ????. function.

    success: function(output) {
    alert(output);
}

  4. PHP ?? ??: ?? ??? 'action' ?? ????? ?? ?? PHP? ?????. ??.

    if (isset($_POST['action']) && !empty($_POST['action'])) {
    $action = $_POST['action'];
    switch ($action) {
        case 'test':
            test();
            break;
        // ...other action cases...
    }
}

?:

PHP ????:

<?php
function test($param) {
    echo "PHP function test called with parameter: $param";
}
?>

JavaScript:

$.ajax({
    url: 'test.php',
    data: { action: 'test', param: 'value' },
    type: 'post',
    success: function(output) {
        alert(output);
    }
});

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