Array
(
    [0] => /var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0000000001.jpg
    [1] => /var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0000000002.mp3
)
/var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0000000001.jpg
/var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0001.jpg
/var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0000000002.mp3
/var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0002.mp3
Comienza cargaficheros
Termina=00066391--20240719-075909
Cuenta=21/var/www/oaistore/img/bivia/00066001_00066500/00066391/origen/*
Array
(
)
/var/www/oaistore/img/bivia/00066001_00066500/00066391/txt/*
Array
(
)
/var/www/oaistore/img/bivia/00066001_00066500/00066391/visor/*
Array
(
)
/var/www/oaistore/img/bivia/00066001_00066500/00066391/mini/*
Array
(
)
/var/www/oaistore/img/bivia/00066001_00066500/00066391/descarga/*
Array
(
)
/var/www/oaistore/img/bivia/00066001_00066500/00066391/alta/*
Array
(
)
/var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/*********ficherolimpio=.....000663910001********ficherolimpio=.....000663910002
Array
(
    [0] => /var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0000000001.jpg
    [1] => /var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0000000002.mp3
)
/var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0000000001.jpg
/var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0001.jpg
/var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0000000002.mp3
/var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0002.mp3
Comienza cargaficheros
Termina=00066391--20240719-075909
Cuenta=21

La funcion renombrar ejecutada con el resultado:

sin resultados al renombrar1  origen /var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0001.jpg destino =/var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0000000001.jpg
2  origen /var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0002.mp3 destino =/var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0000000002.mp3
1  origen /var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0000000001.jpg destino =/var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0001.jpg
2  origen /var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0000000002.mp3 destino =/var/www/oaistore/img/bivia/00066001_00066500/00066391/guarda/00066391_0002.mp3