tags:

Write to a File in PHP

Use file_put_contents with LOCK_EX for an atomic write.

Author: chris

// Language: PHP

<?php
declare(strict_types=1);

$lines = ['alpha', 'beta', 'gamma'];

file_put_contents(
    'out.txt',
    implode(PHP_EOL, $lines) . PHP_EOL,
    LOCK_EX
);