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Hooks Trait

Adds the methods required to use hooks in a class, similar to how functions can be hooked into Wordpress.

Usage

Add a use statement at the start of the class to include the trait.

class Foo
{
    Use dgifford\Traits\HooksTrait;
}

The doHook method adds a hook into the class. This method requires a name for the hook and a variable that the hook will act on.

$value = $this->doHook('my_hook_name', $value );

Additional arguments can be provided if hooked in functions require them.

$value = $this->doHook('my_hook_name', $value, $arguments );

Callbacks can then be hooked into the class with the addHook method, which accepts the hook name and a callable, such as a closure.

$foo->addHook( 'my_hook_name', function( $value, $arguments ) { return $value + 1; } );