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//서울 37.5668260055 126.9786567859

//인천 37.4559252001 126.705267423

//대전 36.3505388993 127.3848348468

//대구 35.8713802647 128.6018054911

//부산 35.179889464917665 129.0756643974648

//광주 35.1600820602 126.8515729214

//울산 35.5394827878 129.3114679191

//세종 36.480068516 127.2891953381

//경기 37.2749769873 127.0089299695

//강원 37.8853257858 127.7298290104

//충북 36.635358196 127.4914573265

//충남 36.6588292533 126.6727761938

//경북 36.575733576956715 128.50576287406867

//경남 35.2377742105 128.6918968892

//전북 35.820196364 127.108976712

//전남 34.8160821479 126.4627883334

//제주도 33.4889107082 126.4982334867

$lnatX = "37.5668260055";

$lnatY = "126.9786567859";

if($sca=="서울특별시"){ $lnatX = "37.5668260055"; $lnatY = "126.9786567859";

}else if($sca=="인천광역시"){ $lnatX = "37.4559252001"; $lnatY = "126.705267423";

}else if($sca=="대전광역시"){ $lnatX = "36.3505388993"; $lnatY = "127.3848348468";

}else if($sca=="대구광역시"){ $lnatX = "35.8713802647"; $lnatY = "128.6018054911";

}else if($sca=="부산광역시"){ $lnatX = "35.179889464917665"; $lnatY = "129.0756643974648";

}else if($sca=="광주광역시"){ $lnatX = "35.1600820602"; $lnatY = "126.8515729214";

}else if($sca=="울산광역시"){ $lnatX = "35.5394827878"; $lnatY = "129.3114679191";

}else if($sca=="세종시"){ $lnatX = "36.480068516"; $lnatY = "127.2891953381";

}else if($sca=="경기도"){ $lnatX = "37.2749769873"; $lnatY = "127.0089299695";

}else if($sca=="강원도"){ $lnatX = "37.8853257858"; $lnatY = "127.7298290104";

}else if($sca=="충청북도"){ $lnatX = "36.635358196"; $lnatY = "127.4914573265";

}else if($sca=="충청남도"){ $lnatX = "36.6588292533"; $lnatY = "126.6727761938";

}else if($sca=="경상북도"){ $lnatX = "36.575733576956715"; $lnatY = "128.50576287406867";

}else if($sca=="경상남도"){ $lnatX = "35.2377742105"; $lnatY = "128.6918968892";

}else if($sca=="전라북도"){ $lnatX = "35.820196364"; $lnatY = "127.108976712";

}else if($sca=="전라남도"){ $lnatX = "34.8160821479"; $lnatY = "126.4627883334";

}else if($sca=="제주특별자치도"){$lnatX = "33.4889107082"; $lnatY = "126.4982334867";

}

if($sca){

}

1. $암호변수 = SHA256::hash($변환할암호명);

2. $암호변수 =  hash("sha256", trim($변환할암호명));  

동일한 역할을 수행하나

1번은 조건이 좀 있는듯 하고,

2번은 그냥 내장함수

$pass="1234";

$hash = hash('sha256', $pass, true);

$hash3 = hash('sha512', $pass, true);

$hash2 = base64_encode($hash);