<?php

    $strings = array(
        '99-01[10-10-2010]',
        '29-02[10-11-2011]',
        '95-03[10-12-2013]',
        '88-04[10-10-2015]',
        '59-06[11-12-2016]'
    );
    
    foreach( $strings as $s ) echo 'ALL'.strstr( $s, '-' ) . "\n";