9th June 2014. The following code snippet will help to sort multi-dimensional arrays by a value of one of the elements. If you look at the code below we have an array populated with 3 other arrays, each of them has an ID element, a title element and an order element.
Environmental allergies, also known as seasonal allergies, hayfever or allergic rhinitis occur when your immune system overreacts to particles in the air that you breathe. Your body's defence system (immune system) attacks the particles in your body, causing symptoms such as sneezing and a runny nose.
Home Â» Allergies. In most cases, people with allergies develop mild to moderate symptoms, such as watery eyes, a runny nose or a rash. But sometimes, exposure to an allergen can cause a life-threatening allergic reaction known as anaphylaxis. This severe reaction happens when an over-release of chemicals puts the person into shock. Allergies to food, insect stings, medications and latex are most frequently associated with anaphylaxis.