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Take a look at PHP's array_values function. Alternatively, you could typecast. Note that if the array is in serialized form as you have put it above, you will have to unserialize it first, in either case. $numerical_array = array_values( unserialize( 'a:1:{s:8:"post-134";s:3:"134";s:8:"post-136";s:3:"136";}' ) ); or $numerical_array = ...


I think you will require to custom develop some part of it but most of it can be done with Contact Form 7 plugin. You can create forms with upload fields very easily in Contact Form 7. And you can make it visible for loggenin users only like this. <?php if ( is_user_logged_in() ) { echo do_shortcode('[contact-form-7 id="91" title="Form"]'); ...

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