Fix typos in PHP files (#78)

* fix typos

* phpcs

* PHPCS

* Update docs, see #77

---------

Co-authored-by: Brandon Kraft <public@brandonkraft.com>

Author: pkevan

docs/code-reference/acf-field-group-functions-file.md

@@ -92,7 +92,7 @@ acf_get_raw_field_groups
 
 acf_filter_field_groups
 
-* Returns a filtered aray of field groups based on the given $args.
+* Returns a filtered array of field groups based on the given $args.
 * @date    29/11/2013
 * @since ACF 5.0.0
 * @param   array $field_groups An array of field groups.
@@ -259,7 +259,7 @@ acf_prepare_field_group_for_import
 
 acf_import_field_group
 
-* Imports a field group into the databse.
+* Imports a field group into the database.
 * @date    11/03/2014
 * @since ACF 5.0.0
 * @param   array $field_group The field group array.

docs/code-reference/acf-helper-functions-file.md

@@ -74,7 +74,7 @@ acf_enable_filter
 * Enables a filter with the given name.
 * @date    14/7/16
 * @since ACF 5.4.0
-* @param   string name The modifer name.
+* @param   string $name The modifier name.
 * @return void
 
 ## `acf_disable_filter()`
@@ -84,7 +84,7 @@ acf_disable_filter
 * Disables a filter with the given name.
 * @date    14/7/16
 * @since ACF 5.4.0
-* @param   string name The modifer name.
+* @param   string $name The modifier name.
 * @return void
 
 ## `acf_is_filter_enabled()`
@@ -94,7 +94,7 @@ acf_is_filter_enabled
 * Returns the state of a filter for the given name.
 * @date    14/7/16
 * @since ACF 5.4.0
-* @param   string name The modifer name.
+* @param   string $name The modifier name.
 * @return array
 
 ## `acf_get_filters()`
@@ -113,7 +113,7 @@ acf_set_filters
 * Sets an array of filter states.
 * @date    14/7/16
 * @since ACF 5.4.0
-* @param   array $filters An Array of modifers
+* @param   array $filters An Array of modifiers.
 * @return array
 
 ## `acf_disable_filters()`
@@ -132,7 +132,7 @@ acf_enable_filters
 * Enables all or an array of specific filters and returns the previous state.
 * @date    14/7/16
 * @since ACF 5.4.0
-* @param   array $filters An Array of modifers
+* @param   array $filters An Array of modifiers.
 * @return array
 
 ## `acf_idval()`
@@ -221,7 +221,7 @@ Returns the length of a string that has been submitted via $_POST.
 1. Unslash the string because posted values will be slashed.
 2. Decode special characters because wp_kses() will normalize entities.
 3. Treat line-breaks as a single character instead of two.
-4. Use mb_strlen() to accomodate special characters.
+4. Use mb_strlen() to accommodate special characters.
 
 * @date    04/06/2020
 * @since ACF 5.9.0