30 lines
565 B
PHP
30 lines
565 B
PHP
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<?php
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$romaiszamok = array(
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'M' => 1000,
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'CM' => 900,
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'D' => 500,
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'CD' => 400,
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'C' => 100,
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'XC' => 90,
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'L' => 50,
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'XL' => 40,
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'X' => 10,
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'IX' => 9,
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'V' => 5,
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'IV' => 4,
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'I' => 1
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);
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$romaiszam = 'MCMLVI';
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$eredmeny = 0;
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foreach($romaiszamok as $key => $value){
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while(strpos($romaiszam, $key) === 0){
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$eredmeny += $value;
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$romaiszam = substr($romaiszam, strlen($key));
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}
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}
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echo $eredmeny;
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?>
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