getting warning “Header may not contain more than a single header, new line detected”

Question

I am doing coding in oops for uploading image in PHP. But After submit image, it\'s giving warning

\"Header may not contain more than a single header, new line detec

Answer 1

Trouble could be in your phpMyAdmin, table wp_options, option_value.

If there is a space before the URL it will generate the ERROR: warning: header may not contain more than a single header, new line detected in...