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run code in 150+ php & hhvm versions
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<?php // Create a simple array. $array = array(1, 2, 3, 4, 5); print_r($array); // Now delete every item, but leave the array itself intact: foreach ($array as $i => $value) { unset($array[$i]); } print_r($array); // Append an item (note that the new key is 5, instead of 0). $array[] = 6; print_r($array); // Re-index: $array = array_values($array); $array[] = 7; print_r($array); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 5 ) Array ( ) Array ( [5] => 6 ) Array ( [0] => 6 [1] => 7 )