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<?php $os = new SplObjectStorage(); $arr = [ new stdClass(), new stdClass(), new stdClass() ]; $os->attach($arr[0]); $os->attach($arr[1]); $os->attach($arr[2]); var_dump($os->contains($arr[0]), $os->contains($arr[1]), $os->contains($arr[2])); // ^^ prints: true, true, true $serialized = igbinary_serialize([ 'os' => $os, 'arr' => $arr ]); unset($os, $arr); $container = igbinary_unserialize($serialized); $os = $container['os']; $arr = $container['arr']; var_dump($os->contains($arr[0]), $os->contains($arr[1]), $os->contains($arr[2])); // ^^ prints: false, false, false
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(true) bool(true) bool(true) Fatal error: Uncaught Error: Call to undefined function igbinary_serialize() in /in/bua9T:17 Stack trace: #0 {main} thrown in /in/bua9T on line 17
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28
bool(true) bool(true) bool(true) Fatal error: Call to undefined function igbinary_serialize() in /in/bua9T on line 17
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/bua9T on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/bua9T on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/bua9T on line 4
Process exited with code 255.
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