Debugging & Errors
Headers Already Sent in PHP: Find the Blank Line
Fix PHP “headers already sent” errors by finding stray whitespace, blank lines, BOMs, or early output before header(), cookies, or sessions.
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Tag: WordPress Errors
Debugging & Errors
Cannot Redeclare Function in PHP: Why It Ran Twice
Fix PHP’s “Cannot redeclare function” fatal error by finding duplicate declarations, repeated includes, and WordPress plugin conflicts.
Debugging & Errors
PHP Allowed Memory Size Exhausted: The Real Fix
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.