title: Check Line Passes Origin
signature: function checkLinePassesOrigin($x1, $y1, $x2, $y2) {
test_code: <?php
  
  
  // SOLUTION CODE 
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  function validateSolution($actual, $expected){
      return serialize($actual) == serialize($expected);
  }
  
  function driver($x1, $y1, $x2, $y2, $expected){
      try{
        if (validateSolution(PLACEHOLDER_FN_NAME($x1, $y1, $x2, $y2), $expected)){
          return "PASSED";
        }
        return "FAILED";
      }
      catch (Exception $exception_obj) {
        return get_class($exception_obj);
      }
  }
  
  function main(){
      printf("TEST-0...%s\n",driver(
        1, 28, 2, 56, 
        true));
      
      printf("TEST-1...%s\n",driver(
        10, 0, 20, 0, 
        true));
      
      printf("TEST-2...%s\n",driver(
        0, 1, 0, 17, 
        true));
      
      printf("TEST-3...%s\n",driver(
        1, 1, 10, 10, 
        true));
      
      printf("TEST-4...%s\n",driver(
        82, 86, 19, 4, 
        false));
      
      printf("TEST-5...%s\n",driver(
        78, 86, 11, 6, 
        false));
      
      printf("TEST-6...%s\n",driver(
        13, 46, 33, 33, 
        false));
      
      printf("TEST-7...%s\n",driver(
        18, 29, 95, 12, 
        false));
      
      printf("TEST-8...%s\n",driver(
        42, 35, 25, 36, 
        false));
      
      printf("TEST-9...%s\n",driver(
        29, 17, 45, 35, 
        false));
      
  }
  
  main();
  ?>
source_py: def check_line_passes_origin(x1, y1, x2, y2):
      return ((x1 * (y2 - y1)) == (y1 * (x2 - x1)))
source_cpp: bool check_line_passes_origin(int x1, int y1, int x2, int y2) {
    return ( x1 * ( y2 - y1 ) == y1 * ( x2 - x1 ) );
  }