Sale en todos los archivos php. Pondré uno de ejemplo.
En
Biblioteca.php
Código PHP:
Ver original<?php
//Inicio de sesión.
//Ficheros requeridos.
require_once 'Web.php';
//Creación de la clase Biblioteca.
class Biblioteca extends Web{
...
}
...
?>
el mensaje es:
Código HTML:
Ver original<b>Warning
</b>: session_start(): Cannot send session cookie - headers already sent by (output started at /homepages/**/**********/htdocs/*************/recepcion.php:1) in
<b>/homepages/**/**********/htdocs/*************/recepcion.php
</b> on line
<b>5
</b><br /> <b>Warning
</b>: session_start(): Cannot send session cache limiter - headers already sent (output started at /homepages/**/**********/htdocs/*************/recepcion.php:1) in
<b>/homepages/**/**********/htdocs/*************/recepcion.php
</b> on line
<b>5
</b><br /> <b>Notice
</b>: A session had already been started - ignoring session_start() in
<b>/homepages/**/**********/htdocs/*************/Web.php
</b> on line
<b>5
</b><br /> <b>Notice
</b>: A session had already been started - ignoring session_start() in
<b>/homepages/**/**********/htdocs/*************/usuario.php
</b> on line
<b>3
</b><br /> <b>Notice
</b>: A session had already been started - ignoring session_start() in
<b>/homepages/**/**********/htdocs/*************/BaseDeDatos.php
</b> on line
<b>3
</b><br /> <b>Notice
</b>: A session had already been started - ignoring session_start() in
<b>/homepages/**/**********/htdocs/*************/Usuario_BaseDeDatos.php
</b> on line
<b>2
</b><br /> <b>Strict Standards
</b>: Declaration of Recepcion::iniciar_sesion() should be compatible with Web::iniciar_sesion($usuario, $clave) in
<b>/homepages/**/**********/htdocs/*************/recepcion.php
</b> on line
<b>10
</b><br />
Por cierto, no sé si esto afecta a este tema, pero respecto a:
Código HTML:
Ver original<b>Strict Standards
</b>: Declaration of Recepcion::iniciar_sesion() should be compatible with Web::iniciar_sesion($usuario, $clave) in
<b>/homepages/**/**********/htdocs/*************/recepcion.php
</b> on line
<b>10
</b><br />
Pensaba que podía renombrarse el método con independencia de los parámetros. No había tenido ningún aviso de ello hasta ahora.