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run code in 500+ PHP versions simultaneously
<?php $string = 'Apple, Orange, Lemone'; var_export( array_reduce( explode(', ', $string), fn($result, $v) => $result + [strtolower($v) => $v], [] ) );
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 'apple' => 'Apple', 'orange' => 'Orange', 'lemone' => 'Lemone', )
preferences:
76.33 ms | 1254 KiB | 4 Q