Fixed Bug ID : [ 1912430 ] when empty Or chart display DarwChart() function
Fixed Bug ID : [ 1912430 ] when empty Or chart display DarwChart() function

Fixed coding convention violations where <?= was used.

sahana/vesuvius,ramdesh/vesuvius_installer,ramdesh/vesuvius_installer,bobrock/vesuvius,ramdesh/vesuvius_installer,bobrock/vesuvius,sahana/vesuvius,sahana/vesuvius,ramdesh/vesuvius_installer,bobrock/vesuvius,bobrock/vesuvius,sahana/vesuvius,sahana/vesuvius,bobrock/vesuvius,bobrock/vesuvius