Debugging & Errors
Unexpected Token in JSON at Position 0: It Sent HTML
Fix "Unexpected token in JSON at position 0" by finding what the server actually returned. Check HTML responses, redirects, status codes, and Content-Type.
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// Practical AI. Better Code.
$task = 'review the smallest safe diff';
$context = [
'requirements',
'tests',
'security constraints',
];
verify( $task, $context );
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Debugging & Errors
Cannot Read Properties of Undefined: Find Which One
Fix "Cannot read properties of undefined" in JavaScript by finding which value in the property chain is missing, why it happens, and…
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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