<?php
$mystring = '05/07/2017 06:14:22: #1 atualizacao de status da entrega UN085464466BR para a nova situacao 058 em 2017-07-05 06:14:22 [imagens/33/2017/06/30/UN085464466BR.jpg][Sucesso]';
$pos1 = strpos($mystring, ' [imagens');
$pos2 = strpos($mystring, '.jpg][');
echo '='.substr($mystring, $pos1+2, $pos2-($pos1-2)).'=';
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
=imagens/33/2017/06/30/UN085464466BR.jpg=