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<?php class FifaRankingHeap extends \SplHeap { protected function compare($value1, $value2) { return $value1['points'] - $value2['points']; }} $heap = new FifaRankingHeap(); $heap->insert(array('country' => 'Colombia', 'points' => 1137)); $heap->insert(array('country' => 'Uruguay', 'points' => 1147)); $heap->insert(array('country' => 'Argentina', 'points' => 1175)); $heap->insert(array('country' => 'Brazil', 'points' => 1242)); $heap->insert(array('country' => 'Portugal', 'points' => 1189)); $heap->insert(array('country' => 'Germany', 'points' => 1300)); $heap->insert(array('country' => 'Switzerland', 'points' => 1149)); $i = 2; foreach ($heap as $country) { echo $i++.$country['country'].' has '.$country['points'].' points.'.PHP_EOL; }
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of FifaRankingHeap::compare($value1, $value2) should either be compatible with SplHeap::compare(mixed $value1, mixed $value2): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/fCHFA on line 4 2Germany has 1300 points. 3Brazil has 1242 points. 4Portugal has 1189 points. 5Argentina has 1175 points. 6Switzerland has 1149 points. 7Uruguay has 1147 points. 8Colombia has 1137 points.

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