Online PHP editor | output for 8MNU0

<?php declare(strict_types=1); $array = ['A', 'AA', 'AAA']; $arrayWithKeys = ['A' => 1, 'AA' => 2, 'AAA' => 3]; echo "array_find examples" . PHP_EOL; var_dump(array_find($array, static fn(string $value): bool => strlen($value) > 2)); // returns AAA var_dump(array_find($array, static fn(string $value): bool => strlen($value) > 3)); // returns null var_dump(array_find($arrayWithKeys, static fn(int $value, string $key): bool => $value === strlen($key))); // returns 1 echo PHP_EOL . "array_find_key examples" . PHP_EOL; var_dump(array_find_key($array, static fn(string $value): bool => strlen($value) > 2)); // returns 2 var_dump(array_find_key($array, static fn(string $value): bool => strlen($value) > 3)); // returns null var_dump(array_find_key($arrayWithKeys, static fn(int $value, string $key): bool => $value === strlen($key))); // returns A echo PHP_EOL . "array_any examples" . PHP_EOL; var_dump(array_any($array, static fn(string $value): bool => strlen($value) > 2)); // returns true var_dump(array_any($arrayWithKeys, static fn(int $value, string $key): bool => $value === strlen($key))); // returns true echo PHP_EOL . "array_all examples" . PHP_EOL; var_dump(array_all($array, static fn(string $value): bool => strlen($value) < 4)); // returns true var_dump(array_all($arrayWithKeys, static fn(int $value, string $key): bool => $value === strlen($key))); // returns true