acf/json/eof_newline │ filter-hook │ ACF 1.0

Usage

add_filter( 'acf/json/eof_newline', 'wp_kama_acf_json_eof_newline_filter' );

/**
 * Function for `acf/json/eof_newline` filter-hook.
 * 
 * @param  $PHP_EOL 
 *
 * @return 
 */
function wp_kama_acf_json_eof_newline_filter( $PHP_EOL ){
	// filter...
	return $PHP_EOL;
}

$PHP_EOL

-

Where the hook is called

$result = file_put_contents( $file, acf_json_encode( $post ) . apply_filters( 'acf/json/eof_newline', PHP_EOL ) ); //phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_file_put_contents -- potentially could run outside of admin.

Where the hook is used in Advanced Custom Fields PRO