Unlock the Power of Open Source: New Linux Certification is now on Swayam Plus.
Course Start Date: 2nd February 2026; Course End Date: 2nd April 2026.
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Outline:Common Errors (Part 3) "Cannot modify header information - headers already sent by..." errors when using header() function Using ob_start() to turn on output buffering "Failed to open stream; no such file or directory in..." errors when including a invalid file Using a @ symbol to suppress errors
Common Errors (Part 3) "Cannot modify header information - headers already sent by..." errors when using header() function Using ob_start() to turn on output buffering "Failed to open stream; no such file or directory in..." errors when including a invalid file Using a @ symbol to suppress errors
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