Can anyone suggest the most effective method for passing a PHP object via AJAX?
For instance:
//objectClass = objectClass.php
$obj = new objectClass();
<a href="javascript:getOutput("some variable", $obj);
Since the other file, output.php (called through ajax in getOutput() function), also needs access to objectClass.php, what is the best way to retrieve $obj?
I attempted to json_encode($obj) then decode it but encountered issues.
Appreciate any help or advice. Thank you.
My recommendation is to store the necessary information, such as an object, in a session variable like @mario mentioned. If you require a dynamically named session variable, you can simply pass the name (string) of the session variable through AJAX.
json_encode is a great tool to utilize.
When using the href argument, it's important to use single quotes instead of double quotes and include the JSON_HEX_APOS option in json_encode to handle any single quotes within the JSON data.
Here's an example:
<?php
//objectClass = objectClass.php
$obj = new objectClass();
?>
<a href='javascript:getOutput(<?php echo $some_variable ?>,<?php echo json_encode ($obj, JSON_HEX_APOS) ?>);'></a>
or
<?php
//objectClass = objectClass.php
$obj = new objectClass();
echo "<a href='javascript:getOutput($some_variable, " . json_encode ($obj, JSON_HEX_APOS) . " );'></a>"
?>
EDIT: If you have jQuery available, I suggest using jQuery.parse() for parsing JSON data. If not, you can use JSON.parse(), but be cautious of compatibility issues with older browsers. However, you should be secure as long as you handle XSS vulnerabilities on your server-side.
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