コード例 #1
0
 public function testIsInteger()
 {
     $this->assertTrue(Validation::isInteger(1));
     $this->assertTrue(Validation::isInteger(0));
     $this->assertTrue(Validation::isInteger(-1));
     $this->assertTrue(Validation::isInteger("1"));
     $this->assertTrue(Validation::isInteger("0"));
     $this->assertTrue(Validation::isInteger("-1"));
     $this->assertFalse(Validation::isInteger("-"));
     $this->assertFalse(Validation::isInteger("true"));
     $this->assertFalse(Validation::isInteger("false"));
     $this->assertFalse(Validation::isInteger(true));
     $this->assertFalse(Validation::isInteger(false));
     $this->assertFalse(Validation::isInteger(4.5));
     $this->assertFalse(Validation::isInteger('4.5'));
     $this->assertFalse(Validation::isInteger(null));
 }
コード例 #2
0
 /**
  * Tests a variable and returns its equivalent explicit integer value, or null if the variable value doesn't
  * represent an integer value.
  * @param mixed $value Value to test.
  * @return int|null Value explicitly converted to an integer value, or null if the value does not represent an
  * integer value.
  */
 public static function parseInteger($value)
 {
     if (Validation::isInteger($value)) {
         return (int) $value;
     }
     return null;
 }