acf/upload_prefilter/type=(type) │ filter-hook │ ACF 5.1.5

Filters the errors for a file before it is uploaded to WordPress.

Usage

add_filter( 'acf/upload_prefilter/type=(type)', 'wp_kama_acf_upload_prefilter_type_filter', 10, 3 );

/**
 * Function for `acf/upload_prefilter/type=(type)` filter-hook.
 * 
 * @param array $errors An array of errors.
 * @param array $file   An array of data for a single file.
 * @param array $field  The field array.
 *
 * @return array
 */
function wp_kama_acf_upload_prefilter_type_filter( $errors, $file, $field ){
	// filter...
	return $errors;
}

$errors(array)

An array of errors.

$file(array)

An array of data for a single file.

$field(array)

The field array.

Changelog

Where the hook is called

$errors = apply_filters( "acf/upload_prefilter/type={$field['type']}", $errors, $file, $field );

Where the hook is used in Advanced Custom Fields PRO