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Add Brainfuck converter module and fix copy button trailing whitespace
- New Brainfuck converter module (Convert menu) - Text to Brainfuck conversion - Brainfuck interpreter with 30,000 cell tape - Bracket matching validation and safety limits - Fixed copy button to trim trailing whitespace - Updated CHANGELOG to v1.2.4
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‎CHANGELOG.md‎

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## **v1.2.4** (2025-12-29)
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### 🎉 Major Features
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- **Brainfuck Converter** - Convert text to Brainfuck code or execute Brainfuck programs
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- **Copy Button Fix** - Fixed trailing whitespace issue when copying strings
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<details class="changelog-details">
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<summary><strong>📋 Detailed Changes</strong> (click to expand)</summary>
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<div class="changelog-panel">
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#### New Modules
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- **Brainfuck Converter** (Convert menu)
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- Text → Brainfuck: Convert any text to Brainfuck code that outputs that text
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- Brainfuck → Text: Execute Brainfuck code and capture the output
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- Full Brainfuck interpreter with 30,000 cell tape
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- Bracket matching validation
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- Safety limits to prevent infinite loops
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- Statistics display (code length, compression ratio)
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#### Bug Fixes
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- **Copy to Clipboard** - Fixed trailing whitespace being copied
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- Added `.trim()` to `copyToClipboard()` function
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- Ensures clean text copying without extra spaces
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</div>
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</details>
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---
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## **v1.2.3** (2025-12-29)
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### 🎉 Major Features

‎includes/handlers_functional.php‎

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@@ -37,6 +37,7 @@ function getHandlerRegistry(): array {
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'currency' => 'handle_currency',
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'qrcode' => 'handle_qrcode',
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'regex' => 'handle_regex',
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'brainfuck' => 'handle_brainfuck',
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];
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}
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@@ -963,5 +964,247 @@ function handle_regex(array $req): string {
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return $output;
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}
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/**
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* Handle Brainfuck conversion requests
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*
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* Converts text to Brainfuck code or executes Brainfuck code to produce text output.
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* Supports two modes:
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* - text2bf: Converts text to Brainfuck code that outputs that text
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* - bf2text: Executes Brainfuck code and captures the output
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*
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* @param array $req Request array containing: 'brainfuck' (input), 'mode' (text2bf|bf2text)
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* @return string Formatted HTML with conversion result or error message
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*/
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function handle_brainfuck(array $req): string {
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$input = req_get($req, 'brainfuck', '');
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$mode = req_get($req, 'mode', 'text2bf');
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if (empty($input)) {
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return formatOutput("Input cannot be empty.", type: "danger");
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}
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// Validate input length
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if (strlen($input) > 100000) {
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return formatOutput("Input must be at most 100,000 characters.", type: "danger");
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}
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try {
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if ($mode === 'text2bf') {
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// Convert text to Brainfuck code
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$bfCode = textToBrainfuck($input);
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$output = "<div style='margin-bottom: 20px;'>";
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$output .= "<div style='margin-bottom: 15px;'><strong>Text → Brainfuck</strong></div>";
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$output .= copyableOutput($bfCode);
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$output .= "<div style='margin-top: 15px; padding: 12px; background-color: rgba(255, 193, 7, 0.15); border-radius: 0.5rem;'>";
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$output .= "<strong>📊 Stats:</strong><br>";
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$output .= "Input length: <code>" . strlen($input) . " characters</code><br>";
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$output .= "Brainfuck code length: <code>" . strlen($bfCode) . " characters</code><br>";
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$output .= "Ratio: <code>" . number_format(strlen($bfCode) / strlen($input), 2) . "x</code>";
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$output .= "</div>";
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$output .= "</div>";
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return $output;
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} elseif ($mode === 'bf2text') {
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// Execute Brainfuck code
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$result = executeBrainfuck($input);
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if ($result['success']) {
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$output = "<div style='margin-bottom: 20px;'>";
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$output .= "<div style='margin-bottom: 15px;'><strong>Brainfuck → Text</strong></div>";
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$output .= copyableOutput($result['output']);
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if (!empty($result['warnings'])) {
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$output .= "<div style='margin-top: 15px; padding: 12px; background-color: rgba(255, 193, 7, 0.15); border-radius: 0.5rem;'>";
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$output .= "<strong>⚠️ Warnings:</strong><br>";
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$output .= htmlspecialchars($result['warnings']);
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$output .= "</div>";
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}
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$output .= "</div>";
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return $output;
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} else {
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return formatOutput("Brainfuck execution error: " . htmlspecialchars($result['error']), type: "danger");
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}
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} else {
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return formatOutput("Invalid mode specified.", type: "danger");
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}
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} catch (Exception $e) {
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return formatOutput("Error: " . htmlspecialchars($e->getMessage()), type: "danger");
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}
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}
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/**
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* Convert text to Brainfuck code
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*
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* Generates Brainfuck code that outputs the given text by setting each cell
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* to the ASCII value of each character and outputting it.
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*
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* @param string $text The text to convert
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* @return string Brainfuck code that outputs the text
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*/
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function textToBrainfuck(string $text): string {
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$bfCode = '';
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$currentValue = 0;
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for ($i = 0; $i < strlen($text); $i++) {
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$targetValue = ord($text[$i]);
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$diff = $targetValue - $currentValue;
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if ($diff == 0) {
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// Already at target value, just output
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$bfCode .= '.';
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} else {
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// Calculate the most efficient way to reach target
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// Use absolute value and determine direction
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if (abs($diff) <= 10) {
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// Small difference: just increment/decrement
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if ($diff > 0) {
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$bfCode .= str_repeat('+', $diff);
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} else {
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$bfCode .= str_repeat('-', -$diff);
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}
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} else {
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// Large difference: reset to 0 and build up
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// Reset current value to 0
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if ($currentValue > 0) {
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$bfCode .= str_repeat('-', $currentValue);
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}
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$currentValue = 0;
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// Build up to target
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$bfCode .= str_repeat('+', $targetValue);
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}
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$bfCode .= '.';
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$currentValue = $targetValue;
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}
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// Move to next cell for next character (optional optimization)
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// For simplicity, we'll reuse the same cell
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}
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return $bfCode;
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}
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/**
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* Execute Brainfuck code and capture output
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*
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* Implements a Brainfuck interpreter with:
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* - 30,000 cell tape (standard Brainfuck)
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* - Cell values 0-255 (wrapping)
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* - Input support (reads from empty string if not provided)
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* - Loop support with bracket matching
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*
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* @param string $code The Brainfuck code to execute
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* @param string $input Optional input string for ',' commands
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* @return array ['success' => bool, 'output' => string, 'error' => string|null, 'warnings' => string]
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*/
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function executeBrainfuck(string $code, string $input = ''): array {
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$tape = array_fill(0, 30000, 0);
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$pointer = 0;
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$output = '';
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$inputIndex = 0;
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$codeIndex = 0;
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$codeLength = strlen($code);
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$maxSteps = 10000000; // Safety limit to prevent infinite loops
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$stepCount = 0;
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$warnings = '';
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// Validate brackets are balanced
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$bracketCount = 0;
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for ($i = 0; $i < $codeLength; $i++) {
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if ($code[$i] === '[') $bracketCount++;
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if ($code[$i] === ']') $bracketCount--;
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if ($bracketCount < 0) {
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return ['success' => false, 'output' => '', 'error' => 'Unmatched closing bracket at position ' . $i, 'warnings' => ''];
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}
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}
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if ($bracketCount !== 0) {
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return ['success' => false, 'output' => '', 'error' => 'Unmatched opening brackets', 'warnings' => ''];
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}
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// Precompute bracket pairs for efficient loop handling
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$bracketPairs = [];
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$stack = [];
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for ($i = 0; $i < $codeLength; $i++) {
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if ($code[$i] === '[') {
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$stack[] = $i;
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} elseif ($code[$i] === ']') {
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if (empty($stack)) {
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return ['success' => false, 'output' => '', 'error' => 'Unmatched closing bracket at position ' . $i, 'warnings' => ''];
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}
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$start = array_pop($stack);
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$bracketPairs[$start] = $i;
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$bracketPairs[$i] = $start;
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}
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}
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// Execute the code
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while ($codeIndex < $codeLength && $stepCount < $maxSteps) {
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$stepCount++;
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$command = $code[$codeIndex];
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switch ($command) {
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case '>':
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$pointer++;
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if ($pointer >= 30000) {
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$pointer = 0; // Wrap around
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}
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break;
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case '<':
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$pointer--;
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if ($pointer < 0) {
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$pointer = 29999; // Wrap around
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}
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break;
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case '+':
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$tape[$pointer] = ($tape[$pointer] + 1) % 256;
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break;
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case '-':
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$tape[$pointer] = ($tape[$pointer] - 1 + 256) % 256;
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break;
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case '.':
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$output .= chr($tape[$pointer]);
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break;
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case ',':
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if ($inputIndex < strlen($input)) {
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$tape[$pointer] = ord($input[$inputIndex]);
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$inputIndex++;
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} else {
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$tape[$pointer] = 0; // EOF: set to 0
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}
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break;
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case '[':
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if ($tape[$pointer] == 0) {
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// Jump to matching ']'
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$codeIndex = $bracketPairs[$codeIndex];
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}
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break;
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case ']':
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if ($tape[$pointer] != 0) {
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// Jump back to matching '['
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$codeIndex = $bracketPairs[$codeIndex];
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}
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break;
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}
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$codeIndex++;
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}
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if ($stepCount >= $maxSteps) {
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$warnings = "Execution stopped after {$maxSteps} steps (possible infinite loop).";
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}
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return [
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'success' => true,
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'output' => $output,
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'error' => null,
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'warnings' => $warnings
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];
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}
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// Additional handlers can be added here following the same pattern...
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// handle_ip, handle_urlencode, handle_htmlentities, handle_minify, etc.

‎includes/navbar.php‎

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"formalName" => "Currency Converter",
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"icon" => icon('currency-exchange')
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],
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"brainfuck" => [
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"name" => "brainfuck",
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"formalName" => "Brainfuck Converter",
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"icon" => icon('code-slash')
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],
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],
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],
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"misc" => [

‎modules/brainfuck.php‎

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<div id="brainfuck" class="content">
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<div class="card card-primary">
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<h1 class="card-header">🧠 Brainfuck Converter</h1>
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<div class="card card-body">
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<div class="alert alert-info mb-4">
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<strong>ℹ️ About Brainfuck</strong><br>
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Brainfuck is an esoteric programming language with only 8 commands: <code>&gt;</code> <code>&lt;</code> <code>+</code> <code>-</code> <code>.</code> <code>,</code> <code>[</code> <code>]</code>.
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This tool converts between text and Brainfuck code, or executes Brainfuck code.
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</div>
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<form class="form" action="gen.php" method="POST" data-action="brainfuck">
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<?php
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$brainfuckInput = $_POST['brainfuck'] ?? '';
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$brainfuckMode = $_POST['mode'] ?? 'text2bf';
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?>
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<!-- Mode Selection -->
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<div class="card border-primary mb-4" style="background-color: rgba(13, 110, 253, 0.05);">
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<div class="card-header bg-primary text-white">
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<strong>⚙️ Conversion Mode</strong>
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</div>
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<div class="card-body">
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<div class="form-check mb-2">
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<input class="form-check-input" type="radio" name="mode" id="modeText2Bf" value="text2bf" <?= $brainfuckMode === 'text2bf' ? 'checked' : '' ?>>
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<label class="form-check-label" for="modeText2Bf">
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<strong>Text → Brainfuck</strong><br>
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<small class="text-muted">Convert text to Brainfuck code that outputs that text</small>
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</label>
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</div>
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<div class="form-check mb-2">
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<input class="form-check-input" type="radio" name="mode" id="modeBf2Text" value="bf2text" <?= $brainfuckMode === 'bf2text' ? 'checked' : '' ?>>
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<label class="form-check-label" for="modeBf2Text">
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<strong>Brainfuck → Text</strong><br>
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<small class="text-muted">Execute Brainfuck code and show the output</small>
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</label>
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</div>
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</div>
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</div>
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<!-- Input Section -->
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<div class="mb-4">
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<label for="brainfuckInput" class="form-label mb-3">
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<strong style="font-size: 1.1rem;">
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<span id="inputLabel">Input Text</span>
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</strong>
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</label>
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<textarea name="brainfuck" class="form-control" id="brainfuckInput"
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style="min-height: 300px; resize: vertical; font-family: monospace; font-size: 0.95rem; border: 2px solid #495057;"
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placeholder="Enter text or Brainfuck code..." required><?= htmlspecialchars($brainfuckInput) ?></textarea>
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</div>
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<!-- Action Button -->
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<div class="d-flex gap-3 mb-4">
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<?= submitBtn("brainfuck", "action", "🧠 Convert", "arrow-repeat", "lg") ?>
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</div>
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<!-- Output Section -->
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<div class="responseDiv" id="brainfuckresponse" style="border: 2px solid #495057; padding: 20px; min-height: 200px; max-height: 500px; overflow-y: auto; background: linear-gradient(135deg, rgba(102, 16, 242, 0.1) 0%, rgba(108, 92, 231, 0.05) 100%); border-radius: 0.5rem; font-family: monospace; font-size: 0.95rem; white-space: pre-wrap; word-break: break-all;">
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<div style="opacity: 0.5; text-align: center; padding-top: 50px;">
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<div style="font-size: 3rem; margin-bottom: 10px;">🧠</div>
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<div>Conversion result will appear here...</div>
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</div>
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</div>
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</form>
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</div>
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</div>
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</div>
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<script>
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// Update input label based on mode
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$('input[name="mode"]').change(function() {
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const mode = $(this).val();
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const label = mode === 'text2bf' ? 'Input Text' : 'Brainfuck Code';
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$('#inputLabel').text(label);
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const placeholder = mode === 'text2bf' ? 'Enter text to convert to Brainfuck...' : 'Enter Brainfuck code to execute...';
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$('#brainfuckInput').attr('placeholder', placeholder);
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});
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</script>

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