| public static isWhitespace ( string $str ) : boolean | ||
| $str | string | String to be checked. |
| return | boolean | |
public static function isWhitespace($str)
{
return $str === ' ' || $str === "\r" || $str === "\n" || $str === "\t";
} public function testIsWhitespace()
{
$this->assertTrue(Context::isWhitespace(" "));
$this->assertTrue(Context::isWhitespace("\r"));
$this->assertTrue(Context::isWhitespace("\n"));
$this->assertTrue(Context::isWhitespace("\t"));
$this->assertFalse(Context::isWhitespace("a"));
$this->assertFalse(Context::isWhitespace("\\b"));
$this->assertFalse(Context::isWhitespace("\\u1000"));
}
