While is a word in the English language that functions both as a noun and as a subordinating conjunction. Its meaning varies largely based on its intended function, position in the phrase and even the writer or speaker's regional dialect.

Циклы while являются простейшим видом циклов в PHP. Just a note about using the continue statement to forego the remainder of a loop - be SURE you're not issuing the continue statement from within a SWITCH case - doing so will not continue the while loop, but rather the switch statement itself.

перевод и определение "while", английский-русский Словарь онлайн. Hence, while UNIDO maintained full control over the quality and performance of the service, there were administrative efficiency gains to reap.