There's 3 types of functions which use array() out of the dozens of different array functions you
Learn PHP Code
The tutorials in this archive help beginners learn how to read, write & use PHP code in WordPress and Genesis child themes. Once you understand what every function in a code block does then you can fully understand how the entire code works.
class_exists
You can use class_exists to check if a plugin is active. ( Watch the video below which tests the
Code array() With [ ] Square Brackets
As of PHP 5.4 you can also use short array syntax, which replaces array() with [ ] square
foreach
The foreach construct only works with arrays. This means you must either use an array like this:
sprintf
sprintf is similar to printf however is used to return the result as a value for a variable to be
add_action
add_action is a function which you'll see in WordPress, Genesis & other theme files. You've
printf
You've probably seen code in your files which looks like this: [code] printf('%s World', $var );
variable
You've probably seen code which includes the $ dollar sign like
Ternary Operator
There's at least 3 ways to code if conditionals and else statements in WordPress using PHP. In