Sign S/MIME Email with PHPMailer
Sign PHPMailer messages with an S/MIME certificate, matching private key, and intermediate certificate chain, then diagnose invalid signatures.
Category: PHP
Detect PHP Socket Timeouts While Copying a Stream
Set a read timeout on a PHP socket, copy its data to a destination stream, and inspect stream metadata so partial data is never mistaken for EOF.
Log Guzzle Requests and Responses Safely in PHP
Add Guzzle middleware that records HTTP method, path, status, duration, and failures without rebuilding requests or leaking headers and bodies.
Implement create_sid() in a Custom PHP Session Handler
Implement create_sid() and validateId() for a database-backed PHP session handler, preserve strict mode, and let write() create the new database row.
Validate JPG and JPEG Uploads with PHP Fileinfo
Validate an uploaded image by its detected MIME type and an explicit extension map instead of assuming image/jpeg must use one filename extension.
Read Microsoft 365 Outlook Email with PHP and Microsoft Graph
Configure Microsoft Entra ID and use PHP with Microsoft Graph to read Outlook mail securely through OAuth 2.0 without storing mailbox passwords.
Fix PHP Maximum Execution Time Exceeded Errors
Find the operation that consumes a PHP request’s time budget, measure slow sections, and fix the underlying bottleneck before increasing the limit.
Detect a CSV Delimiter Automatically in PHP
Guess a CSV delimiter from multiple sampled records in PHP using consistent parsed column counts, while detecting ambiguous or malformed files.
Split Large CSV Files in PHP
Split a large CSV into smaller valid CSV files in PHP while preserving the header, quoted fields, encoding, and bounded memory usage.
Stream Large JSON Files in PHP
Process large newline-delimited JSON files in PHP one record at a time, with bounded memory, line-level errors, and safe batch writes.