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WordPress WordPress Theme Development WordPress Header and Footer Templates Porting existing headers and footers into WordPress

Ben Attenborough
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Ben Attenborough
Front End Web Development Techdegree Graduate 32,769 Points
Posted by Ben Attenborough
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Ben Attenborough
Front End Web Development Techdegree Graduate 32,769 Points

Debugging PHP

I had some problems with the code in this section and had a job debugging the PHP. I had made a few spelling errors which were hard to spot. I wondered if there is a good method for debugging PHP code. It does not seem as straight forward as debugging JS, as in this instance if the code doesn't work nothing appears on screen and no errors show up in the developer console either.

1 Answer

Zachary Green
Zachary Green
16,359 Points
Zachary Green
Zachary Green
16,359 Points

you can turn on errors in php in you script which outputs html with the text of the error. http://php.net/manual/en/function.error-reporting.php

Ben Attenborough
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Ben Attenborough
Front End Web Development Techdegree Graduate 32,769 Points
Ben Attenborough
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Ben Attenborough
Front End Web Development Techdegree Graduate 32,769 Points

Also I discovered that by default WordPress has error reporting switched off

define('WP_DEBUG', false);

If you change this line to the following it should report errors: define('WP_DEBUG', true);

In addition you can log the errors instead define('WP_DEBUG_LOG', true); define('WP_DEBUG_DISPLAY', false); @ini_set('display_errors', 0);

Might be an idea for the track on WordPress development to explain this early on to help developers. Obviously debugging should be switched off when the project goes live. There's more on WordPress debugging here: http://css-tricks.com/snippets/wordpress/turn-on-wordpress-error-reporting/