acaresydney_ts/NdisPrice.php

<?php

namespace Biukop;

class NdisPrice{
    private $html = '';
    private $ndis_table; 
    public function __construct(int $year=2019) {
        global $wpdb;
        $this->ndis_table = $wpdb->prefix . 'acare_ndis_price';
        $sql = "SELECT * FROM {$this->ndis_table} WHERE year=$year"; //for this year
        $results = $wpdb->get_results($sql);
        $html = '            	<select>';
        foreach($results as $r){
            
            $html .= sprintf('<option value="%s" data-level="%d" data-year="%d"  data-unit="%s" data-price="%.2f" data-ot="%s">%.2f - %s %s %s</option>',
                $r->code,
                $r->level,
                (int) $r->year,
                $r->unit,
                (float) $r->price,
                $r->ot,
                (float) $r->price,
                $r->name,
                $this->get_level((int) $r->level),
                $r->ot
             );//end of sprintf
        }
        $html .='    	</select>';
        $this->html = $html;
    }
    
    private function get_level($level_number){
        $levelStr = array(
            0 => '(standard)',
           -1 => '', //no level number needed
            1 => '(Level 1)',
            2 => '(Level 2)',
            3 => '(Level 3)'
        );
        
        if ( array_key_exists($level_number, $levelStr) )
            return $levelStr[$level_number];
        else 
            return '';
    }
    
    public function get_html()
    {
        return $this->html;
    }
}