[lang-ref] ( copy_file ) ( php )

<?php
public function testCopyFile(): void
{
	// copy($src, $dst)
	touch('file1.txt');
	mkdir('dir1');
	copy('file1.txt', 'dir1/file2.txt');

	$this->assertTrue(file_exists('file1.txt'));
	$this->assertTrue(file_exists('dir1/file2.txt'));
}