Hacker Rank – Time Conversion – PHP

Given a time in 12-hour AM/PM format, convert it to military (24-hour) time.

Note: – 12:00:00AM on a 12-hour clock is 00:00:00 on a 24-hour clock.
– 12:00:00PM on a 12-hour clock is 12:00:00 on a 24-hour clock.

Example :
S: 12:01:00PM
return : 12:01:00

S: 12:01:00AM
return : 00:01:00

Function Description

Complete the timeConversion function in the editor below. It should return a new string representing the input time in 24 hour format.

timeConversion has the following parameter(s):

string s: a time in 12 hour format

Returns

string: the time in 24 hour format

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