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PHP : Function Reference : Session Handling Functions : session_encode

session_encode

Encodes the current session data as a string (PHP 4, PHP 5)
string session_encode ( )


Related Examples ( Source code ) » session_encode




Code Examples / Notes » session_encode

sica

session_encode() just return the session dataset in a formatted form
session_start();
$_SESSION['login_ok'] = true;
$_SESSION['nome'] = 'sica';
$_SESSION['inteiro'] = 34;
echo session_encode();
this code will print
login_ok|b:1;nome|s:4:"sica";inteiro|i:34;


php

If anybody wants to encode any arbitrary array in the session serialization style, I have come up with the following function ( along with a corresponding decoding function in the session_decode notes ) to do just that.
Note the step I take to make sure we are not using a reference of the array, because calling session_raw_encode( $_SESSION ) ; will modify the real session when doing the recursion checks.
<?php
function session_raw_encode( $array, $safe = true ) {

// the session is passed as refernece, even if you dont want it to
if( $safe )
$array = unserialize(serialize( $array )) ;

$raw = '' ;
$line = 0 ;
$keys = array_keys( $array ) ;
foreach( $keys as $key ) {
$value = $array[ $key ] ;
$line ++ ;

$raw .= $key .'|' ;

if( is_array( $value ) && isset( $value['huge_recursion_blocker_we_hope'] )) {
$raw .= 'R:'. $value['huge_recursion_blocker_we_hope'] . ';' ;
} else {
$raw .= serialize( $value ) ;
}
$array[$key] = Array( 'huge_recursion_blocker_we_hope' => $line ) ;
}

return $raw ;

}
?>


onur yerlikaya < http://www.witkey.org >

<?php
session_start();
# boolean type
$_SESSION['logged'] = true;
# string type
$_SESSION['name'] = "Onur Yerlikaya";
# integer type
$_SESSION['age'] = 17;
// logged|b:1;name|s:14:"Onur Yerlikaya";age|i:17;
function readSessions() {
$encodedData = session_encode();
$explodeIt = explode(";",$encodedData);
for($i=0;$i<count($explodeIt)-1;$i++) {
$sessGet = explode("|",$explodeIt[$i]);
$sessName[$i] = $sessGet[0];
if(substr($sessGet[1],0,2) == "s:") {
$sessData[$i] = str_replace("\"","",strstr($sessGet[1],"\""));
} else {
$sessData[$i] = substr($sessGet[1],2);
} // end if
} // end for
$result = array_combine($sessName,$sessData);
return $result;
}
/*
readSessions Func shows encoded data in array
Array
(
   [logged] => 1
   [name] => Onur Yerlikaya
   [age] => 17
)
*/
print_r(readSessions());
?>


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session_cache_expire
session_cache_limiter
session_commit
session_decode
session_destroy
session_encode
session_get_cookie_params
session_id
session_is_registered
session_module_name
session_name
session_regenerate_id
session_register
session_save_path
session_set_cookie_params
session_set_save_handler
session_start
session_unregister
session_unset
session_write_close
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