Reading the parameters of an ajax link in PHP in codeigniter -

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i new ajax. have link has 4 parameters 1 of these $str_post initialized in controller: 

$str_post="&ajax =1"; $str_post.="&province=".$this->input->post('province'); $str_post.="&city=".$this->input->post('city'); $str_post.="&name=".$this->input->post('name');      $this->ajax_pagination->make_search($this->case_model->case_paginations(),$starting,$url,$str_post);

by using function(make_search) sets $str_post parameters of ajax pagination link. when echo $str_post thing this: 

&ajax=1&proince=all&city=all&name=all

now need these parameters , assign every of them in variables this:

$province=$str_post['province'];

but shows & how can all value? can 1 me?

try getting values way!

$province = $_post['province']; // if ajax type post

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