PHP JSON Decode Returns Null but Input Looks Valid
The key distinction: A JSON integration intermittently returns null for incoming strings. The visible error may appear at the last stage of a longer process;…
Read solution →PHP
Explore practical diagnostics, technical sources and step-by-step troubleshooting guides in this topic.
PHP Memory Leak Suspected in Long-Running Queue Worker
What this guide solves: A worker's resident memory grows with each completed job until it is killed. Record the context before changing a server, account…
Read solution →Composer Lockfile Platform Check Fails After a Container Rebuild
The key distinction: An image rebuild unexpectedly fails even though composer.lock did not change. The visible error may appear at the last stage of a…
Read solution →PHP Extension Loads in CLI but Not Through Web Requests
A PHP module appears in php -m but a web request still reports missing functionality. This guide narrows the failure to the responsible component rather…
Read solution →Composer Autoload Class Not Found After Moving a Package Namespace
The key distinction: Classes exist on disk but autoload fails after a package rename. The visible error may appear at the last stage of a…
Read solution →PHP Session Cookie Works Locally but Disappears Behind HTTPS Proxy
Login succeeds locally but the browser drops the session after HTTPS proxy deployment. This guide narrows the failure to the responsible component rather than applying…
Read solution →PHP FPM Pool Reaches pm.max_children During Traffic Spikes
The site slows and upstream errors occur while all PHP-FPM workers remain busy. This guide narrows the failure to the responsible component rather than applying…
Read solution →PHP Fatal Error from Named Argument After a Vendor API Rename
The key distinction: A call that used named parameters fails after a dependency update. The visible error may appear at the last stage of a…
Read solution →