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non-empty-string-substr-specifying.php
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non-empty-string-substr-specifying.php
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<?php
namespace NonEmptyStringSubstr;
use function PHPStan\Testing\assertType;
class Foo {
public function nonEmptySubstr(string $s, int $offset, int $length): void
{
if (substr($s, 10) === 'hallo') {
assertType('non-empty-string', $s);
}
assertType('string', $s);
if (substr($s, -10) === 'hallo') {
assertType('non-empty-string', $s);
}
assertType('string', $s);
if (substr($s, 10, 5) === 'hallo') {
assertType('non-empty-string', $s);
}
assertType('string', $s);
if (substr($s, 10, -5) === 'hallo') {
assertType('non-empty-string', $s);
}
assertType('string', $s);
if (substr($s, $offset) === 'hallo') {
assertType('non-empty-string', $s);
}
assertType('string', $s);
if (substr($s, $offset, $length) === 'hallo') {
assertType('non-empty-string', $s);
}
assertType('string', $s);
if (substr($s, $offset, $length) !== 'hallo') {
assertType('string', $s);
}
assertType('string', $s);
if (substr($s, $offset, $length) === '') {
assertType('string', $s);
}
assertType('string', $s);
if (substr($s, $offset, $length) == '') {
assertType('string', $s);
}
assertType('string', $s);
}
}