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Editorial Team
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Asked: 2026-05-22T19:06:19+00:00

I’ve been trying to return special characters from an AJAX request to a PHP

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I’ve been trying to return special characters from an AJAX request to a PHP script.

The responding character string : abcde1’2’3’4’5“6”7–8é9é10’11’12’13ñ14ñ15’16ñ17ñ18 19 20é21é22í23ñ24ñ25’26ñ27ó28ú29’fghij

Using a JavaScript alert, it displays: abcde1â2â3â4â5â6â7â8é9é10â11â12â13ñ14ñ15â16ñ17ñ18 19 20é21é22í23ñ24ñ25â26ñ27ó28ú29âfghij

The code is below:

HTML File:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0      Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"/> 
    <title></title>
    <script src="js/phpTest.js" charset="ISO-8859-1" type="text/javascript"></script>
</head>
<body>
    <input id="Submit1" type="submit" value="submit" onclick=" initXHR();return false;" />
</body>
</html>

JS File:

var xhr;
//;charset=ISO-8859-1
function initXHR() {
    getXHRobj();
    xhr.open('POST', 'phpinfo.php', true);
    xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    xhr.setRequestHeader("Content-length", 10);
    xhr.setRequestHeader("Connection", "close");
    xhr.send("");
    return false;
}

function getXHRobj() {
    if (window.XMLHttpRequest) {
        xhr = new XMLHttpRequest();
    }
    else if (window.ActiveXObject) {
        xhr = new ActiveXObject("Msxml2.XMLHTTP");
    }
    else {
        throw new Error("Ajax is not supported by this browser");
    }
    xhr.onreadystatechange = function XHRresp() {
        if (xhr.readyState == 4) {
            if (xhr.status >= 200 && xhr.status < 300) {
                document.write("1. " + xhr.responseText);
            }
            else {
                alert(xhr.responseText);
            }
        }
    }
}

And PHP file:

<?php 
header("Content-Type: text/html;charset=ISO-8859-1");

print "abcde1’2’3’4’5“6”7–8é9é10’11’12’13ñ14ñ15’16ñ17ñ18 19 20é21é22í23ñ24ñ25’26ñ27ó28ú29’fghij";
?>

Thank you,
deDogs

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1 Answer

  1. Editorial Team

    Your charset in the HTML code may say ISO-8859-1 but are you sure you saved the data in ISO-8859-1? The data may be saved in UTF-8 or Windows CP-1252

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