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<?php $obj = new stdClass(); $obj->name = 'Fred'; $obj->job = new stdClass(); $obj->job->position = 'Janitor'; $obj->job->years = 4; print_r($obj); echo 'Years in current job: '.string($obj, 'job->years').PHP_EOL; function string($obj, $path_str) { $val = null; $path = preg_split('/->/', $path_str); $node = $obj; while (($prop = array_shift($path)) !== null) { print_r($node); echo 'Property exists: '.$prop; if (!property_exists($node, $prop)) { $val = null; break; } $val = $node->$prop; $node = $node->$prop; } return $val; }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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
stdClass Object ( [name] => Fred [job] => stdClass Object ( [position] => Janitor [years] => 4 ) ) stdClass Object ( [name] => Fred [job] => stdClass Object ( [position] => Janitor [years] => 4 ) ) Property exists: jobstdClass Object ( [position] => Janitor [years] => 4 ) Property exists: yearsYears in current job: 4
Output for 5.0.0 - 5.0.5
stdClass Object ( [name] => Fred [job] => stdClass Object ( [position] => Janitor [years] => 4 ) ) stdClass Object ( [name] => Fred [job] => stdClass Object ( [position] => Janitor [years] => 4 ) ) Property exists: job Fatal error: Call to undefined function property_exists() in /in/eaBFC on line 21
Process exited with code 255.
Output for 4.4.5 - 4.4.9
stdClass Object ( [name] => Fred [job] => stdClass Object ( [position] => Janitor [years] => 4 ) ) stdClass Object ( [name] => Fred [job] => stdClass Object ( [position] => Janitor [years] => 4 ) ) Property exists: job Fatal error: Call to undefined function: property_exists() in /in/eaBFC on line 21
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
stdClass Object ( [name] => Fred [job] => stdClass Object ( [position] => Janitor [years] => 4 ) ) stdClass Object ( [name] => Fred [job] => stdClass Object ( [position] => Janitor [years] => 4 ) ) Property exists: job Fatal error: Call to undefined function: property_exists() in /in/eaBFC on line 21
Process exited with code 255.
Output for 4.3.0 - 4.3.1
stdClass Object ( [name] => Fred [job] => stdClass Object ( [position] => Janitor [years] => 4 ) ) stdClass Object ( [name] => Fred [job] => stdClass Object ( [position] => Janitor [years] => 4 ) ) Property exists: job Fatal error: Call to undefined function: property_exists() in /in/eaBFC on line 21

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