No Error, Wrong Answer: Debugging Silent Failure in PHP
Nothing crashed and the output is still wrong. How to find a silent failure by locating the first point where the data stops matching…
Nothing crashed and the output is still wrong. How to find a silent failure by locating the first point where the data stops matching…
An error line tells you where the failure surfaced, not always where the bug began. Learn how to trace PHP and WordPress errors back…
Fix PHP “headers already sent” errors by finding stray whitespace, blank lines, BOMs, or early output before header(), cookies, or sessions.
Fix PHP’s “Cannot redeclare function” fatal error by finding duplicate declarations, repeated includes, and WordPress plugin conflicts.
Fix PHP 8.4’s implicitly nullable parameter deprecation by declaring nullable types explicitly with ?Type or Type|null, with practical examples.
Fix PHP’s "Call to a member function on null" error by tracing where the null value comes from, checking chained calls, queries, and object…
Allowed memory size exhausted" has three distinct causes. Raising memory_limit fixes one of them. Here is how to tell which one you actually have.