[lang-ref] ( write_file ) ( php )

<?php
public function testWriteFile(): void
{
	// file_put_contents($filename, $text)
	$lines = ['test', 'test', 'test'];
	$text = implode("\n", $lines);
	$fname = $this->tmpDir . DIRECTORY_SEPARATOR . 'a.txt';

	file_put_contents($fname, $text);

	$r = file_get_contents($fname);

	$this->assertSame($text, $r);
}

<?php
public function testWriteFileAlternative(): void
{
	// fwrite($fp, $text)
	$lines = ['test', 'test', 'test'];
	$text = implode("\n", $lines) . "\n";
	$p = $this->tmpDir . DIRECTORY_SEPARATOR . 'a.txt';

	$fp = fopen($p, 'w');
	$this->assertNotFalse($fp);

	foreach ($lines as $line) {
		fwrite($fp, $line . "\n");
	}

	fclose($fp);

	$r = file_get_contents($p);

	$this->assertSame($text, $r);
}