acf/validate_attachment/key=(key) │ filter-hook │ ACF 1.0

Usage

add_filter( 'acf/validate_attachment/key=(key)', 'wp_kama_acf_validate_attachment_key_filter', 10, 5 );

/**
 * Function for `acf/validate_attachment/key=(key)` filter-hook.
 * 
 * @param  $errors     
 * @param  $file       
 * @param  $attachment 
 * @param  $field      
 * @param  $context    
 *
 * @return 
 */
function wp_kama_acf_validate_attachment_key_filter( $errors, $file, $attachment, $field, $context ){
	// filter...
	return $errors;
}

$errors

-

$file

-

$attachment

-

$field

-

$context

-

Where the hook is called

$errors = apply_filters( "acf/validate_attachment/key={$field['key']}", $errors, $file, $attachment, $field, $context );

Where the hook is used in Advanced Custom Fields PRO