9 lines
302 B
PHP
9 lines
302 B
PHP
<?php
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$h = 0;
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$s = file_get_contents(__FILE__);
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$l = strlen($s);
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foreach ( count_chars($s, 1) as $c )
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$h -=
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( $c / $l ) *
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log( $c / $l, 2 );
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echo $h;
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