如何使用javascript正确转义数据查询字符串以便在PHP中解码[重复]

Question

This question already has an answer here:

• Get PHP to stop replacing '.' characters in $_GET or $_POST arrays? 13 answers

I'm trying to create a query string, which passes all form elements and the entered data via a GET request to a PHP file.

I'm using encodeURIComponent in JavaScript to encode the input field names as well as the field values.

What I'm encountering is that the field values seem to be passed well as I receive them in $GET correctly, but the field names will have the dot (.) replaced by an underscore ().

Example:

<input type="text" name="form.0.text.0" value="" />

This field.name would arrive at my PHP script as form_0_text_0 instead of form.0.text.0, while the entered text (e.g. this contains a lot of ....) would arrive just fine.

I'm using the following code as part of the query string generation:

+ encodeURIComponent(field.name) + "=" + (field.type == "checkbox" ? (field.checked) : encodeURIComponent(field.value))

Any ideas about what to do?

</div>

Answer 1

This is PHP “protecting you”. If you try to pass GET variables containing dots, they'll be replaced by underscores. See Get PHP to stop replacing '.' characters in $_GET or $_POST arrays?

There is a way around that “protection” if you really must use dots in your name attributes: https://stackoverflow.com/a/1939911/2397004