[lang-ref] ( slice_from_m_with_length ) ( php )
<?php
public function testSliceFromMWithLength(): void
{
// substr($s, $m, $length)
$text = '0123456789';
$m = 3;
$length = 5;
$part = substr($text, $m, $length);
$this->assertSame('34567', $part);
}