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@@ -43,13 +43,37 @@ class RandomHelper
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if ($length <= 0) {
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return "";
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}
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+ $randomChar1 = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9'];
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+ $randomChar2 = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'];
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+ $randomChar3 = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'];
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$randomChar = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
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'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C',
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'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
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'Y', 'Z'];
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+
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$stringBuffer = '';
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+ $flag1 = 0;
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+ $flag2 = 0;
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+ $flag3 = 0;
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for ($i = 0; $i < $length; $i++) {
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- $stringBuffer .= $randomChar[abs(rand()) % count($randomChar)];
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+ if($flag1 && $flag2 && $flag3 && $i > 2){
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+ $key = $randomChar[abs(rand()) % count($randomChar)];
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+ }else if(!$flag1){
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+ $key = $randomChar1[abs(rand()) % count($randomChar1)];
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+ }else if(!$flag2){
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+ $key = $randomChar2[abs(rand()) % count($randomChar2)];
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+ }else {
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+ $key = $randomChar3[abs(rand()) % count($randomChar3)];
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+ }
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+
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+ if(in_array($key,$randomChar1)){
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+ $flag1 = 1;
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+ }else if(in_array($key,$randomChar2)){
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+ $flag2 = 1;
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+ }else{
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+ $flag3 = 1;
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+ }
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+ $stringBuffer .= $key;
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}
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return $stringBuffer;
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}
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