3v4l.org

run code in 300+ PHP versions simultaneously
<?php class JupilerLeague extends SplHeap { /** * We modify the abstract method compare so we can sort our * rankings using the values of a given array */ public function compare($array1, $array2) { $values1 = array_values($array1); $values2 = array_values($array2); if ($values1[0] === $values2[0]) return 0; return $values1[0] < $values2[0] ? -1 : 1; } } // Let's populate our heap here (data of 2009) $heap = new JupilerLeague(); $heap->insert(array ('AA Gent' => 15)); $heap->insert(array ('Anderlecht' => 20)); $heap->insert(array ('Cercle Brugge' => 11)); $heap->insert(array ('Charleroi' => 12)); $heap->insert(array ('Club Brugge' => 21)); $heap->insert(array ('G. Beerschot' => 15)); print_r(iterator_to_array(clone $heap)); print_r(iterator_to_array(clone $heap));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of JupilerLeague::compare($array1, $array2) 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/4nP0r on line 9 Array ( [5] => Array ( [Club Brugge] => 21 ) [4] => Array ( [Anderlecht] => 20 ) [3] => Array ( [AA Gent] => 15 ) [2] => Array ( [G. Beerschot] => 15 ) [1] => Array ( [Charleroi] => 12 ) [0] => Array ( [Cercle Brugge] => 11 ) ) Array ( [5] => Array ( [Club Brugge] => 21 ) [4] => Array ( [Anderlecht] => 20 ) [3] => Array ( [AA Gent] => 15 ) [2] => Array ( [G. Beerschot] => 15 ) [1] => Array ( [Charleroi] => 12 ) [0] => Array ( [Cercle Brugge] => 11 ) )
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 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
Array ( [5] => Array ( [Club Brugge] => 21 ) [4] => Array ( [Anderlecht] => 20 ) [3] => Array ( [AA Gent] => 15 ) [2] => Array ( [G. Beerschot] => 15 ) [1] => Array ( [Charleroi] => 12 ) [0] => Array ( [Cercle Brugge] => 11 ) ) Array ( [5] => Array ( [Club Brugge] => 21 ) [4] => Array ( [Anderlecht] => 20 ) [3] => Array ( [AA Gent] => 15 ) [2] => Array ( [G. Beerschot] => 15 ) [1] => Array ( [Charleroi] => 12 ) [0] => Array ( [Cercle Brugge] => 11 ) )
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Fatal error: Class 'SplHeap' not found in /in/4nP0r on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/4nP0r on line 9
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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/4nP0r on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/4nP0r on line 9
Process exited with code 255.

preferences:
241.18 ms | 401 KiB | 356 Q