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<?php $heap = new SplMaxHeap(); $heap->insert('111'); $heap->insert('666'); $heap->insert('777'); echo $heap->extract(); // 777 echo $heap->extract(); // 666 echo $heap->extract(); // 111 $heap = new SplMinHeap(); $heap->insert('111'); $heap->insert('666'); $heap->insert('777'); echo $heap->extract(); // 111 echo $heap->extract(); // 666 echo $heap->extract(); // 777
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 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
777666111111666777
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17
Fatal error: Class 'SplMaxHeap' not found in /in/PjDqs on line 3
Process exited with code 255.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/PjDqs on line 19
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: splmaxheap in /in/PjDqs on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: splmaxheap in /in/PjDqs on line 3

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