Articles about php | UserComp.com

Adjusting PHP-FPM Performance with System Resources (Number of CPU Cores Mostly) on a Fairly Weak Server

Prevents CPU thrashing on weak servers by calculating safe PHP-FPM process limits based on available CPU cores.

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Retrieving JSON with Curl in PHP

Resolve PHP cURL JSON retrieval errors by ensuring proper configuration, error handling, and decoding.

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Troubleshooting PHP Make Posting System: A Starter Guide

Resolve PHP posting system failures by enabling error reporting, verifying database connectivity, and implementing prepared statements to prevent SQL injection.

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Geany 1.36: PHP Highlight Dollar Sign on Double-Click

Configure Geany 1.36 to select PHP variables including the dollar sign on double-click by modifying the wordchars property in the php.lang language definition file.

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How to Grab a Cloaked Link in PHP: A Comprehensive Guide

Extract final destination URLs from cloaked links in PHP by parsing HTML anchor tags and analyzing redirection patterns.

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PHP File Execution Not Working on Freshly Installed Ubuntu Unity (23.10), Prints File Contents Instead

Resolve PHP files printing as text in Ubuntu by explicitly running them with the php command or starting a local server.

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VS Code PHP Executable Validation Error

Fix the PHP executable validation error in VS Code by verifying system PATH or setting php.validate.executablePath to locate the binary.

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HTPasswd Refresh Page: Entering Wrong Password Locks Entering Correct One

Resolves browser caching issues where incorrect HTTP Basic Auth credentials prevent correct passwords from being accepted on refresh.

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What is the value of this php variable?

Debug undefined variables and verify data types in PHP using var_dump or print_r.

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PHP-FPM & Nginx: Security Isolation Not Working

Resolve PHP-FPM and Nginx security isolation failures by configuring dedicated pools with unique system users and correct socket permissions.

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PHP file_put_contents: Failed to open stream: Permission denied

Resolves PHP file_put_contents permission denied errors by configuring www-data ownership and directory permissions for web server write access.

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Should I add subdomain each time I have to use Mailgun?

Consolidate Mailgun usage under one verified domain using sender aliases to avoid unnecessary DNS management and simplify configuration for multiple projects.

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Troubleshooting PHP-FPM Apache Logging: Finding Error Output Locations

Resolve missing PHP-FPM error logs by verifying configuration paths, enabling log_errors, and fixing file permissions for the web server user.

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Installing PHP-FPM on Nginx Raspberry Pi: A Failed Attempt

Resolves PHP-FPM installation and Nginx configuration failures on Raspberry Pi by fixing dependency errors, service status issues, and socket path mismatches.

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PHP File Prints Contents Instead of Executing on Ubuntu UnityOS

Resolve PHP source code printing instead of executing by running scripts with the php binary prefix like php index.php.

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Troubleshooting PHP MySQLi: Form Cannot Display All Column IDs with Double-Digit IDs

Resolve PHP MySQLi form sorting issues where double-digit IDs appear out of order by using explicit integer casting in SQL queries and validating input types.

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How to Remove Array Using Key Value in PHP

Remove array elements by key in PHP using unset and reindex with array_values to fix gaps in numeric sequences.

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Laravel Command Not Found: Accidentally Changed Terminal Path

Resolve the Laravel command not found error by adding the Composer vendor bin directory to your system PATH.

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Converting PHP Script to TypeScript for Node.js: A Tech Support Guide

Resolve errors when migrating PHP scripts to Node.js by mapping procedural logic to TypeScript interfaces and handling asynchronous I/O.

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Fixing Apache PHP Project: Large Post Requests (40MB) with 500 Internal Error

Resolve 500 Internal Server Error for large POST requests by increasing post_max_size, upload_max_filesize, and LimitRequestBody.

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APT Failed Run: 404 Not Found Error

Fix APT 404 Not Found errors by correcting misspelled repository components like multiplex to multiverse in sources.list.

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Ubuntu 20.04: Permission Error when Writing to /var/www/html

Fix permission errors when writing to /var/www/html on Ubuntu 20.04 by setting group ownership and setgid bits for the www-data user.

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Implementing Best Relationships for Product Attributes in Laravel PHP

Solves the problem of managing dynamic product attributes in Laravel by implementing a flexible many-to-many relationship with a pivot table to store attribute values without schema migrations.

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Fixing a PHP Script that Deletes Accidentally

Prevent accidental file deletion in PHP by validating inputs, checking existence before unlinking, and using dry-run modes.

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RoundCube not displaying mails with attachments over certain size

Resolve RoundCube failing to display large email attachments by increasing PHP upload limits and IIS request size restrictions.

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PHP: Convert "squiggles and hooks" text to normal english/latin alphabet letters

Convert HTML entities and strip Unicode diacritics from PHP strings to produce clean ASCII text.

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Suppressing PHP Error Messages in Alpine Linux VServer via SSH Terminal

Suppress PHP error messages in Alpine Linux by disabling display_errors and restarting the service.

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Troubleshooting Occasional PHP Errors on Archive Websites

Resolve PHP errors during website archiving by configuring wget and httrack to mimic browsers and limit recursion depth.

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How to Add a New Folder to Yii2 with Nginx

Resolve 404 errors when accessing new folders in Yii2 by configuring Nginx location blocks and ensuring proper directory permissions.

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Updating Docker Container PHPMyAdmin to New Image Version while Keeping Configs

Update Docker PHPMyAdmin to a new image version while preserving configurations by stopping the old container, removing it without deleting volumes, and launching a new instance with the same persistent volume mounts.

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Troubleshooting: Blank Page Error in phpMyAdmin on VPS1 Hosting

Resolve blank page errors in phpMyAdmin on VPS1 hosting by enabling PHP error reporting, verifying database credentials, and correcting file permissions.

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How to Run PHP on Your Browser by Opening the File

Resolves the issue of PHP code not executing when opening files directly in a browser by establishing a local server environment.

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Display All Source Code from URL Link Using PHP

Retrieve and display raw HTML source code from a URL in PHP using file_get_contents or cURL with proper error handling and output escaping.

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WordPress Admin Page: Plain Text Apache Webserver Not Parsing PHP

Fix WordPress admin page displaying raw PHP code by enabling the Apache mod_php module and correcting file permissions.

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Struggling with Vue.js component integration in Laravel's app.blade.php

Resolve Vue.js component integration failures in Laravel app.blade.php by fixing asset pipeline configuration and script loading order.

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Serving HTML and PHP from Multiple Folders on Nginx Host

Configure Nginx to serve static HTML and dynamic PHP from separate folders using distinct location blocks with alias directives.

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Why is json_decode null but $data is not empty when adding raw $data to file_put_contents?

Resolve json_decode returning null on valid Telegram webhook payloads by using json_last_error_msg to identify syntax errors, depth limits, or UTF-8 encoding issues.

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PHP OpenSSL Encode/Decode Multiple String

Resolve PHP OpenSSL decryption failures by storing unique IVs with ciphertext for each string.

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Granting Sudo Privileges in Visual Studio Code for Apache, MySQL, and PHP on Fedora 40

Resolves the inability to edit protected Apache, MySQL, and PHP files in Visual Studio Code on Fedora 40 by implementing secure sudoedit or targeted sudoers configurations.

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PHP 8.2.7 Compilation Error: cURL Included - A Tech Support Guide

Resolve PHP 8.2.7 compilation errors caused by missing cURL development headers or incorrect library paths during configuration.

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Deleting Multiple Teams Dynamically Created in PHP Script

Resolve 403 errors when deleting dynamically created Microsoft Teams in PHP by using Group.ReadWrite.All permissions and the correct Graph API endpoints.

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ASUS DSL-N16 Router: Localhost Connection Issue with Stand-alone PHP Web Server

Resolve localhost connection timeouts with a standalone PHP server on port 88 by fixing HTTP keep-alive handling and local firewall rules.

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Continuing Callback Action Without View in Yii: A Comprehensive Guide

Sends immediate JSON responses from Yii controller actions without rendering views for API endpoints and AJAX callbacks.

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How to Use DB::where() in Laravel 9

Resolve dynamic database filtering in Laravel 9 by applying WHERE clauses with operators, chaining conditions, and handling nulls via DB::where().

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XAMPP Not Loading PHP Files Connected to Internet

Resolve XAMPP PHP loading delays caused by IPv6 DNS timeouts by binding Apache to 127.0.0.1 in httpd.conf.

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Identifying Unknown Popup Windows in phpMyAdmin

Resolve unknown popup windows in phpMyAdmin by clearing browser cache, disabling interfering extensions, and checking for JavaScript errors.

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Fixing BadMethodCallException: Call to Undefined Method in Laravel

Resolve Laravel BadMethodCallException for undefined restore method by adding SoftDeletes trait and using query builder scopes.

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Fixing a Blank Page Issue in phpMyAdmin on VPS1 Hosting

Resolve blank phpMyAdmin pages on VPS1 by setting the blowfish secret and increasing PHP memory limits.

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Reloading php.ini in IIS: Is Restart Required?

Resolve php.ini changes not taking effect in IIS by recycling the Application Pool to restart the PHP FastCGI process without stopping the entire web server.

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Troubleshooting GitHub Project Login Errors with PHP

Resolve GitHub PHP login errors by fixing invalid PATs, incorrect OAuth scopes, wrong API endpoints, and rate limit issues.

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