Detect if a string contains a line longer than the maximum line length allowed.
| public static hasLineLongerThanMax ( string $str ) : boolean | ||
| $str | string | |
| return | boolean | |
/**
* Test line length detection
*/
public function testLineLength()
{
$oklen = str_repeat(str_repeat('0', PHPMailer::MAX_LINE_LENGTH) . "\r\n", 10);
$badlen = str_repeat(str_repeat('1', PHPMailer::MAX_LINE_LENGTH + 1) . "\r\n", 2);
$this->assertTrue(PHPMailer::hasLineLongerThanMax($badlen), 'Long line not detected (only)');
$this->assertTrue(PHPMailer::hasLineLongerThanMax($oklen . $badlen), 'Long line not detected (first)');
$this->assertTrue(PHPMailer::hasLineLongerThanMax($badlen . $oklen), 'Long line not detected (last)');
$this->assertTrue(PHPMailer::hasLineLongerThanMax($oklen . $badlen . $oklen), 'Long line not detected (middle)');
$this->assertFalse(PHPMailer::hasLineLongerThanMax($oklen), 'Long line false positive');
$this->Mail->isHTML(false);
$this->Mail->Subject .= ": Line length test";
$this->Mail->CharSet = 'UTF-8';
$this->Mail->Encoding = '8bit';
$this->Mail->Body = $oklen . $badlen . $oklen . $badlen;
$this->buildBody();
$this->assertTrue($this->Mail->send(), $this->Mail->ErrorInfo);
$this->assertEquals('quoted-printable', $this->Mail->Encoding, 'Long line did not override transfer encoding');
}
