- “Upload: failed to write file to disk” error in WordPress
- Accidentally using the assignment operator rather than the comparison for a condition
- Assuming $_POST will always contain your POST data
- Confusion about returning by reference vs. by value
- Convert PHP Warnings and notices into fatal errors
- Custom Post Type 404 Errors
- Disabling error reporting
- Error establishing database connection in WordPress
- Escaping a WP_Error object
- Facebook incorrect thumbnail issue in WordPress
- Fatal error: Cannot redeclare (function)
- Fatal error: Maximum execution time exceeded in WordPress
- Fix Sidebar below Content Error in WordPress
- Flagged superglobal usage in WordPress VIP
- Flagged superglobal usage in WordPress VIP
- FunctionDoubleUnderscore
- Hardcoded Text Found
- Hiding of the admin bar is not allowed.
- HTTP Errors while uploading images
- Ignoring coding standards
- Ignoring Unicode/UTF-8 issues
- Image Upload issue & Broken Image Error
- Internal server error
- Leaving dangling array references after foreach loops
- Memory usage headfakes and inefficiencies
- MissingSingularPlaceholder
- Misunderstanding isset() behavior
- Misusing empty()
- Never include files from user input
- Nonces
- Not Securing SQL Code
- Overriding WordPress globals is prohibited
- Performing queries in a loop
- WordPress white screen of death
- WordPress posts returning 404 error
- WordPress Parse or Syntax Error
- WordPress memory exhausted error by increasing PHP memory limit
- WordPress login page refreshing/redirecting issue
- White text and missing buttons in WordPress visual editor
- WP_Error
- Validation
- “Upload: failed to write file to disk” error in WordPress
- Unexpected T_IS_EQUAL
- Thinking that PHP supports a character data type
- Theme is missing the style.css stylesheet
- Allowing SQL injection
- Getting Started
- Common Errors and Fixes
- Flagged superglobal usage in WordPress VIP
- Accidentally using the assignment operator rather than the comparison for a condition
- Allowing SQL injection
- Assuming $_POST will always contain your POST data
- Confusion about returning by reference vs. by value
- Convert PHP Warnings and notices into fatal errors
- Custom Post Type 404 Errors
- Disabling error reporting
- Error establishing database connection in WordPress
- Escaping a WP_Error object
- Facebook incorrect thumbnail issue in WordPress
- Fatal error: Cannot redeclare (function)
- Fix Sidebar below Content Error in WordPress
- Flagged superglobal usage in WordPress VIP
- FunctionDoubleUnderscore
- HTTP Errors while uploading images
- Hardcoded Text Found
- Hiding of the admin bar is not allowed.
- Ignoring Unicode/UTF-8 issues
- Ignoring coding standards
- Image Upload issue & Broken Image Error
- Internal server error
- Leaving dangling array references after foreach loops
- Fatal error: Maximum execution time exceeded in WordPress
- Memory usage headfakes and inefficiencies
- MissingSingularPlaceholder
- Misunderstanding isset() behavior
- Misusing empty()
- Never include files from user input
- Nonces
- Not Securing SQL Code
- Overriding WordPress globals is prohibited
- Performing queries in a loop
- SQL injection found
- Sanitization
- Sanitizing array input data
- This site ahead contains harmful programs” error in WordPress
- Slashing
- Staying on the same page after the form was processed
- Strings should have translatable content
- Syntax error in WordPress
- Syntax error on return statement
- Theme is missing the style.css stylesheet
- Thinking that PHP supports a character data type
- Unexpected T_IS_EQUAL
- “Upload: failed to write file to disk” error in WordPress
- Validation
- WP_Error
- White text and missing buttons in WordPress visual editor
- WordPress login page refreshing/redirecting issue
- WordPress memory exhausted error by increasing PHP memory limit
- WordPress Parse or Syntax Error
- WordPress posts returning 404 error
- WordPress white screen of death