PHP Program to ASCII to Character with Explanation
PHP
Easy
PHP Data Types
27 views
1 min read
80 words
This problem helps you practice core PHP fundamentals in a practical way. It builds intuition around character, one, ascii. Let’s break it down step by step so you can implement it confidently.
Problem Statement
You get an integer code (0..255). Print the character for it.
Input Format
One integer x.
Output Format
One character.
Constraints
0
Code Solution
This explanation is written for learning purposes and to help beginners understand the concept clearly.
<?php
$inputText=trim(stream_get_contents(STDIN));
if($inputText==='') exit;
$x=intval($inputText);
echo chr($x);
?>
Common Mistakes
- Misreading input/output format.
- Not handling constraints and edge cases.
- Off-by-one errors in loops.
- Forgetting to reset variables between test cases (if any).
Solution Guide
Problem
You get an integer code (0..255). Print the character for it.
Details
Common Mistakes
- Misreading input/output format.
- Not handling constraints and edge cases.
- Off-by-one errors in loops.
- Forgetting to reset variables between test cases (if any).
Official Solution
<?php
$inputText=trim(stream_get_contents(STDIN));
if($inputText==='') exit;
$x=intval($inputText);
echo chr($x);
?>
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