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17 lines
295 B
17 lines
295 B
<?php
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$units = array();
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for($i=0;$i<1000000;$i++){
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$units[] = uniqid();
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echo $units[$i].PHP_EOL;
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}
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$values = array_count_values($units);
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$duplicates = [];
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foreach($values as $k=>$v){
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if($v>1){
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$duplicates[$k]=$v;
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}
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}
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echo '<pre>';
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print_r($duplicates);
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echo '</pre>';
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?>
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