3v4l.org

run code in 300+ PHP versions simultaneously
<?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 '.$country['points'].' points.'; }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of FifaRankingHeap::compare($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/BrbKS 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 - 5.6.21, 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/BrbKS on line 3 Fatal error: Class 'SplHeap' not found in /in/BrbKS 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/BrbKS on line 3 Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/BrbKS 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/BrbKS on line 3 Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/BrbKS 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/BrbKS on line 3 Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/BrbKS on line 4
Process exited with code 255.

preferences:
237.5 ms | 401 KiB | 356 Q