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run code in 150+ php & hhvm versions
Bugs & Features
<?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($path)) !== null) { if (!is_object($obj) || !property_exists($node, $prop)) { $val = null; break; } $val = $node->$prop; // TODO: Insert any logic here for cleaning up $val $node = $node->$prop; } return $val; }
based on ouK2p
Output for 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
stdClass Object ( [name] => Fred [job] => stdClass Object ( [position] => Janitor [years] => 4 ) ) Years in current job: 4
Output for 5.0.0 - 5.0.5
stdClass Object ( [name] => Fred [job] => stdClass Object ( [position] => Janitor [years] => 4 ) ) Fatal error: Call to undefined function property_exists() in /in/9L4gc on line 19
Process exited with code 255.
Output for 4.4.5 - 4.4.9
stdClass Object ( [name] => Fred [job] => stdClass Object ( [position] => Janitor [years] => 4 ) ) Fatal error: Call to undefined function: property_exists() in /in/9L4gc on line 19
Process exited with code 255.
Output for 4.3.2 - 4.4.4
stdClass Object ( [name] => Fred [job] => stdClass Object ( [position] => Janitor [years] => 4 ) ) Fatal error: Call to undefined function: property_exists() in /in/9L4gc on line 19
Process exited with code 255.
Output for 4.3.0 - 4.3.1
stdClass Object ( [name] => Fred [job] => stdClass Object ( [position] => Janitor [years] => 4 ) ) Fatal error: Call to undefined function: property_exists() in /in/9L4gc on line 19