php _session



please note that if you have register_globals to on, global variables associated to $_session variables are references, so this may lead to some weird situations. <?php session_start(); $_session['test'] = ; $test = ; echo $_session['test']; ?> load the page, ok it displays , reload the page it displays .

php _session

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php _session

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what is a php session? when you work with an application, you open it, do some changes, and then you close it. this is much like a session. the computer knows who you are. it knows when you start the application and when you end. but on the internet there is one problem: the web server does not know who you are or  comment sont gérées les sessions en php ? voici les trois étapes à connaître. un visiteur arrive sur votre site. on demande à créer une session pour lui. php génère alors un numéro unique. ce numéro est souvent très gros et écrit en hexadécimal, par exemple : abbffceeccbcf.

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cependant, ces fonctions commencent toujours par session. attention !!! avant d'aller plus loin dans le tutorial, vous devez savoir que les sessions ne sont accessibles qu'à partir de php . cependant, je vous rassure, la plupart des hébergeurs sont aujourd'hui fait évoluer leur php en php . afin de voir concrètement  there's nothing special whatsoever about post requests and sessions. you just need to call session_start at the top of every file request you want to use sessions in, that's it. try again with that in mind, it ought to work.

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make sure session_start(); is called before any sessions are being called. so a safe bet would be to put it at the beginning of your page, immediately after the opening <?php tag before anything else. also ensure there are no whitespaces/tabs before the opening <?php tag. after the header redirect, end the  reasoning from the comments to this question, it appears a lack of an adjusted session.save_path causes this misbehavior of php's session handler. just specify a directory (outside your document root directory) that exists and is both readable and writeable by php to fix this.

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don't use $_globals try with this .. <?php session_start(); get current url $goback=$_server['_referer']; $_session['lang']=$_get['lang']; echo $_session['lang']; go to current url header("location:$goback"); ?>. , j'ai un site en php avec une base mysql. ma page index fonctionne bien, elle se connecte à la bd, récupère des infos (login). je choisis un.

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an alternative way to make data accessible across the various pages of an entire website is to use a php session. a session creates a file in a temporary directory on the server where registered session variables and their values are stored. this data will be available to all pages on the site during that visit. the location of 

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php _session

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