Cloudflare Workers provides a serverless execution environment that allows you to create entirely new applications or augment existing ones without configuring or maintaining infrastructure.
preg_replace_callback(
string|array $pattern,
callable $callback,
string|array $subject,
int $limit = -1,
int &$count = null,
int $flags = 0
): string|array|null
const materials = [
'Hydrogen',
'Helium',
'Lithium',
'Beryllium'
];
console.log(materials.map(material => material.length));
// expected output: Array [8, 6, 7, 9]