Reverse Words in a String
EASY
Given an input string, reverse the string word by word. A word is defined as a sequence of non-space characters.
The input string does not contain leading or trailing spaces and the words are always separated by a single space.
Solution
<?php
$line = trim(fgets(STDIN));
$words = explode(' ', $line);
while ($words !== []) {
echo array_pop($words);
echo ' ';
}
Tests
Test #1 |
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Test #2 |
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Test #3 |
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Test #4 |
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