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Rev 103 Rev 155
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         // reset code
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         // reset code
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         $this->sCode = '';
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         $this->sCode = '';
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         // loop through and generate the code letter by letter
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         // loop through and generate the code letter by letter
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         for ($i = 0; $i < $this->iNumChars; $i++) {
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         for ($i = 0; $i < $this->iNumChars; $i++) {
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            if (count($this->aCharSet) > 0) {
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            if (is_countable($this->aCharSet) && count($this->aCharSet) > 0) {
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               // select random character and add to code string
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               // select random character and add to code string
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               $this->sCode .= $this->aCharSet[array_rand($this->aCharSet)];
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               $this->sCode .= $this->aCharSet[array_rand($this->aCharSet)];
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            } else {
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            } else {
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               // select random character and add to code string
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               // select random character and add to code string
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               $this->sCode .= chr(rand(65, 90));
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               $this->sCode .= chr(rand(65, 90));