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  1. <?php
  2. $Discounts=array(0=>array('FromArea'=>1,'ToArea'=>0,'Master'=>0,'Slave'=>0),
  3.  1=>array('FromArea'=>0,'ToArea'=>10,'Master'=>5,'Slave'=>0),
  4.  2=>array('FromArea'=>5,'ToArea'=>0,'Master'=>0,'Slave'=>8),
  5.  3=>array('FromArea'=>0,'ToArea'=>0,'Master'=>1,'Slave'=>2),
  6.  4=>array('FromArea'=>0,'ToArea'=>1,'Master'=>7,'Slave'=>5),
  7.  );
  8.  
  9.  
  10.  
  11. function DiscountAmount($FromArea, $ToArea, $Master, $Slave)
  12. {
  13.  global $Discounts;
  14.   if(empty($FromArea) && empty($ToArea) && empty($Master) && empty($Slave)) return false;
  15.  
  16.     $json = json_encode($Discounts);
  17.  
  18.     $reg = "/\{";
  19.  
  20.     if(!empty($FromArea))   $reg .= "(?:[^\}]*\"FromArea\":{$FromArea})";
  21.     if(!empty($ToArea))     $reg .= "(?:[^\}]*\"ToArea\":{$ToArea})";
  22.     if(!empty($Master))     $reg .= "(?:[^\}]*\"Master\":{$Master})";
  23.     if(!empty($Slave))      $reg .= "(?:[^\}]*\"Slave\":{$Slave})";
  24.  
  25.     $reg .= "[^\}]*\}/";
  26.  
  27.     return preg_match($reg, $json);     
  28. }
  29.  
  30. var_dump(DiscountAmount(1, 0, 0, 0));
Success #stdin #stdout 0.02s 52472KB
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Standard input is empty
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int(1)
https://ideone.com/cI0np0
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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