<?php
	$valores = [[
     'vl_valor' => '123',
     'vl_valorreal' => '123',
     'referente' => '2018-11'
    ],
    [
     'vl_valor' => '456',
     'vl_valorreal' => '456',
     'referente' => '2018-11'
    ]];
    
    var_dump(reorganizaArray($valores));
    
    function reorganizaArray($arr) {
    	$arrOrganizado = [];
    	for ($i = 0; $i < count($arr); $i++) {
    		$temp = [];
    		foreach ($arr[$i] as $key => $value) {
    			$temp[$key] = $value;
    		}
    		$arrOrganizado[] = $temp;
    	}
    	return $arrOrganizado;
    }