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<?php session_start(); $_SESSION = array('a' => 5, 'b' => 'ee"ee', 'c' => 55); var_dump($_SESSION); $str = session_encode(); var_dump($str); $str = str_replace('e', 'é', $str); var_dump($str); $_SESSION = array(); var_dump($_SESSION); session_decode($str); var_dump($_SESSION); $str = session_encode(); var_dump($str);
Output for 7.0.0 - 7.1.0
array(3) { ["a"]=> int(5) ["b"]=> string(5) "ee"ee" ["c"]=> int(55) } string(27) "a|i:5;b|s:5:"ee"ee";c|i:55;" string(31) "a|i:5;b|s:5:"éé"éé";c|i:55;" array(0) { } Warning: session_decode(): Failed to decode session object. Session has been destroyed in /in/J6UvI on line 11 array(0) { } bool(false)
Output for hhvm-3.10.0 - 3.13.2
array(3) { ["a"]=> int(5) ["b"]=> string(5) "ee"ee" ["c"]=> int(55) } string(27) "a|i:5;b|s:5:"ee"ee";c|i:55;" string(31) "a|i:5;b|s:5:"éé"éé";c|i:55;" array(0) { } array(1) { ["s:5:"éé"éé";c"]=> int(55) } string(23) "s:5:"éé"éé";c|i:55;"
Output for 5.4.45, 5.5.29 - 5.5.38, 5.6.13 - 5.6.28
array(3) { ["a"]=> int(5) ["b"]=> string(5) "ee"ee" ["c"]=> int(55) } string(27) "a|i:5;b|s:5:"ee"ee";c|i:55;" string(31) "a|i:5;b|s:5:"éé"éé";c|i:55;" array(0) { } Warning: session_decode(): Failed to decode session object. Session has been destroyed in /in/J6UvI on line 11 array(1) { ["a"]=> int(5) } Warning: session_encode(): Cannot encode non-existent session in /in/J6UvI on line 13 bool(false)
Output for 5.2.3 - 5.4.44, 5.5.0 - 5.5.28, 5.6.0 - 5.6.12
array(3) { ["a"]=> int(5) ["b"]=> string(5) "ee"ee" ["c"]=> int(55) } string(27) "a|i:5;b|s:5:"ee"ee";c|i:55;" string(31) "a|i:5;b|s:5:"éé"éé";c|i:55;" array(0) { } array(3) { ["a"]=> int(5) ["b"]=> NULL ["éé";c"]=> int(55) } string(23) "a|i:5;b|N;éé";c|i:55;"
Output for 4.3.10 - 4.4.9, 5.0.3 - 5.2.2
Warning: session_start(): Cannot send session cookie - headers already sent in /in/J6UvI on line 2 Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /in/J6UvI:2) in /in/J6UvI on line 2 array(3) { ["a"]=> int(5) ["b"]=> string(5) "ee"ee" ["c"]=> int(55) } string(27) "a|i:5;b|s:5:"ee"ee";c|i:55;" string(31) "a|i:5;b|s:5:"éé"éé";c|i:55;" array(0) { } array(3) { ["a"]=> int(5) ["b"]=> NULL ["éé";c"]=> int(55) } string(23) "a|i:5;b|N;éé";c|i:55;"
Output for 4.3.2 - 4.3.9, 5.0.0 - 5.0.2
Warning: session_start(): Cannot send session cookie - headers already sent in /in/J6UvI on line 2 Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /in/J6UvI:2) in /in/J6UvI on line 2 array(3) { ["a"]=> int(5) ["b"]=> string(5) "ee"ee" ["c"]=> int(55) } string(27) "a|i:5;b|s:5:"ee"ee";c|i:55;" string(31) "a|i:5;b|s:5:"éé"éé";c|i:55;" array(0) { } array(3) { ["a"]=> int(5) ["b"]=> string(5) "éé"" ["é";c"]=> int(55) } string(31) "a|i:5;b|s:5:"éé"";é";c|i:55;"
Output for 4.3.0 - 4.3.1
Warning: session_start() [http://www.php.net/function.session-start]: Cannot send session cookie - headers already sent in /in/J6UvI on line 2 Warning: session_start() [http://www.php.net/function.session-start]: Cannot send session cache limiter - headers already sent (output started at /in/J6UvI:2) in /in/J6UvI on line 2 array(3) { ["a"]=> int(5) ["b"]=> string(5) "ee"ee" ["c"]=> int(55) } string(27) "a|i:5;b|s:5:"ee"ee";c|i:55;" string(31) "a|i:5;b|s:5:"éé"éé";c|i:55;" array(0) { } array(3) { ["a"]=> int(5) ["b"]=> string(5) "éé"" ["é";c"]=> int(55) } string(31) "a|i:5;b|s:5:"éé"";é";c|i:55;"