OIK_Shipping::pick_smallest_rate() – Picks the right rate from available rates based on cart weight

Description

Picks the right rate from available rates based on cart weight

If you want to set a weight at which shipping is free then set a rate for the weight at the limit, and another way above the limit to 0 e.g.

 50
100.00
 1 
 Not free up to and including 50
 1000
 X 
 1 
 Maximum weight supported is 999
If the weight is above this highest value then the most expensive rate is chosen. This is rather silly logic… but it'll do for the moment. 
We also set the countrygroup title for the selected rate. 
Usage
$- = OIK_Shipping::pick_smallest_rate( $rates_array, $weight );
Parameters
$rates_array
( mixed ) required  – 
$weight
( string ) required  – the cart weight  
Returns
- rate – may be false if no rate can be determined  
Source
File name: oik-weightcountry-shipping/oik-weightcountry-shipping.php
Lines: 
1 to 34 of 34
    function pick_smallest_rate( $rates_array, $weight) {
      $rate = null;
      $max_rate = false;
      $found_weight = -1;
      $found = false;
      
      
      if ( sizeof( $rates_array ) > 0) {
        $rates = $this->sort_ascending( $rates_array );
        //bw_trace2( $rates, "rates" );
        foreach ( $rates as $key => $value) {
          if ( $weight <= $value[0] && ( $found_weight < $weight ) ) {
            if ( true || null === $rate || $value[1] < $rate ) {
              $rate = $value[1];
              //bw_trace2( $rate, "rate is now", false );
              $found_weight = $value[0];
              $found = true;
              $this->set_countrygroup_title( $value );
            }   
          }
          if ( !$found  ) {
            if ( !$max_rate || $value[1] > $max_rate ) {
              $max_rate = $value[1];
              $this->set_countrygroup_title( $value );
            }
          }   
        }
      }
      if ( null === $rate ) {
        $rate = $max_rate;
        //$rate = false;
      }  
      return $rate;
    }
 
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Called by
1 to 2 of 2
init_oik_shipping() – Implement "plugins_loaded" action for oik-weightcountry-shipping
OIK_Shipping::calculate_shipping() – Calculate shipping rates
Invoked by
Calls
1 to 2 of 2
OIK_Shipping::set_countrygroup_title() – Set the title for this country group rate
OIK_Shipping::sort_ascending() – Sort the rates array by ascending weight
Call hooks
Function name: OIK_Shipping::pick_smallest_rate
Class ref: OIK_Shipping
Plugin ref: oik-weightcountry-shipping – WooCommerce extension
Version: 1.4.3
Sourcefile: oik-weightcountry-shipping.php
File ref: oik-weightcountry-shipping.php
Deprecated?: No
API Letters: O,P,R,S