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run code in 150+ php & hhvm versions
Bugs & Features
<?php class parentobj implements Serializable { private $data; protected $extradata; public function __construct() { $this->data = "My private data"; } public function getData() { return $this->data; } public function setData($data) { $this->data = $data; } public function getExtraData(){ $this->extradata = array( 'data1','data2' ); } public function serialize() { return serialize(array( $this->data, $this->extradata, )); } public function unserialize($data) { $orgdata = unserialize($data); $this->data = $orgdata[0]; $this->extradata = $orgdata[1]; } } class childobj extends parentobj { public function __construct() { return parent::construct(); } public function getExtraData(){ $this->extradata = array( 'datachild1','datachild2' ); } public function serialize() { return serialize($this->extradata); } public function unserialize($data) { $this->extradata = unserialize($data); } } $obj = new childobj(); $s = serialize($obj); echo 'first serialize: '; var_dump($s); $u = unserialize($s); echo 'first unserialize: '; var_dump($u); $u->getExtraData(); echo 'with extradata: '; var_dump($u); $s2 = serialize($u); echo 'second serialize: '; var_dump($s2); $u2 = unserialize($s2); echo 'second unserialize: '; var_dump($u2);
based on QFnsW
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined method parentobj::construct() in /in/ovI5N:42 Stack trace: #0 /in/ovI5N(59): childobj->__construct() #1 {main} thrown in /in/ovI5N on line 42
Process exited with code 255.
Output for 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0
Fatal error: Call to undefined method parentobj::construct() in /in/ovI5N on line 42
Process exited with code 255.
Output for 5.0.5
Fatal error: Interface 'Serializable' not found in /in/ovI5N on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'Serializable' not found in /in/ovI5N on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/ovI5N on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting '{' in /in/ovI5N on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/ovI5N on line 2
Process exited with code 255.