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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 '.$country['points'].' points.'.PHP_EOL; }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of FifaRankingHeap::compare($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/nlXhv 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.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
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.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/nlXhv on line 3 Fatal error: Class 'SplHeap' not found in /in/nlXhv on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/nlXhv on line 3 Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/nlXhv on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/nlXhv on line 3 Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/nlXhv on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/nlXhv on line 3 Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/nlXhv on line 4
Process exited with code 255.
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