Short WP function that is used to output custom data to debug.log

write_log.php

<?php

function write_log ( $log, $text = "write_log: ", $delete = false )  {
    
    if( $delete ){
        unlink( WP_CONTENT_DIR . '/debug.log' );
    }
    
    if ( is_array( $log ) || is_object( $log ) ) {
        error_log( $text . PHP_EOL . print_r( $log, true ) );
    } else {
        error_log( $text . PHP_EOL . $log );
    }
    
}