PHP HTTP POST Question - How do you pass data from multiple forms as HTTP Post?

I have a step 1 page, and a step 2 page. I want to take the information from step 1 page, then step 2 page, and save as session information (which i have already done). Once this information is all gathered 开发者_C百科i then want to be able to submit it to another php page using HTTP POST.

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If you want to send the data using POST you'll need to bring those variables down as hidden input fields on your form before your users clicks submit:

<input type="hidden" name="firstname" value="<?php echo($_SESSION['firstname']); ?>" />
<input type="hidden" name="surname" value="<?php echo($_SESSION['surname']); ?>" />
<input type="hidden" name="age" value="<?php echo($_SESSION['age']); ?>" />

Alternatively you could just reference the $_SESSION when your at the processing stage, if this is applicable.

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As ILMV said, on subsequent pages you can copy the previous page's details into hidden fields.

Alternatively, if splitting your form into pages is a design decision rather than a technical one, you could output the whole form in one go and then use javascript to show only a certain number of elements at a time.