3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple"); asort($fruits, SORT_STRING | SORT_FLAG_CASE); foreach ($fruits as $key => $val) { echo "1: $key = $val\n"; } echo "==="; $fruits2 = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple"); natcasesort($fruits2); foreach ($fruits2 as $key => $val) { echo "2: $key = $val\n"; } ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 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, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
1: c = apple 1: b = banana 1: d = lemon 1: a = orange ===2: c = apple 2: b = banana 2: d = lemon 2: a = orange
preferences:
270.74 ms | 406 KiB | 389 Q