usort

PHP

private function compare_asc($a, $b){ $value1 = $a->tx_price; $value2 = $b->tx_price; if($value1 == $value2){ return 0; }elseif($value1 < $value2){ return -1; }else{ return 1; } } private function compare_desc($a, $b){ if($a == $b){ return 0; } if($a->tx_price > $b->tx_price){ return -1; }else{ return 1; } } private function collection2array($collection){ $arr = []; foreach ($collection as $key => $item) { $arr[] = $item; } return $arr; } private function compare_string($a, $b){ $v = strcmp($a->BEDNO, $b->BEDNO); if($v == 0){ return 0; } if($v > 0){ return 1; }else{ return -1; } } public function test(){ $future_id = 10; //$price = FutureM::get_price($future_id); $price = FutureM::get_price_by_id(19009); //logg($price); //logg($price); $buy_prices = ReportM::future5_buy_prices($price); $buy_prices = $this->collection2array($buy_prices); usort($buy_prices, array($this,'compare_desc')); logg($buy_prices); }

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private function compare_asc($a, $b){         $value1 = $a->tx_price;         $value2 = $b->tx_price;           if($value1 == $value2){             return 0;         }elseif($value1 < $value2){             return -1;         }else{             return 1;         }     }       private function compare_desc($a, $b){         if($a == $b){             return 0;         }           if($a->tx_price > $b->tx_price){             return -1;         }else{             return 1;         }     }       private function collection2array($collection){         $arr = [];         foreach ($collection as $key => $item) {             $arr[] = $item;         }           return $arr;     }       private function compare_string($a, $b){         $v = strcmp($a->BEDNO, $b->BEDNO);         if($v == 0){             return 0;         }           if($v > 0){             return 1;         }else{             return -1;         }     }       public function test(){         $future_id = 10;         //$price = FutureM::get_price($future_id);         $price = FutureM::get_price_by_id(19009);         //logg($price);                  //logg($price);           $buy_prices = ReportM::future5_buy_prices($price);         $buy_prices = $this->collection2array($buy_prices);         usort($buy_prices, array($this,'compare_desc'));         logg($buy_prices);     }