<?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;
}
$node = $node->$prop;
$val = $node->$prop;
}
return $val;
}
- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- stdClass Object
(
[name] => Fred
[job] => stdClass Object
(
[position] => Janitor
[years] => 4
)
)
stdClass Object
(
[name] => Fred
[job] => stdClass Object
(
[position] => Janitor
[years] => 4
)
)
Property exists: job
Warning: Undefined property: stdClass::$job in /in/WZeIB on line 28
stdClass Object
(
[position] => Janitor
[years] => 4
)
Property exists: years
Warning: Attempt to read property "years" on int in /in/WZeIB on line 28
Years in current job:
- Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
- 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
Notice: Undefined property: stdClass::$job in /in/WZeIB on line 28
stdClass Object
(
[position] => Janitor
[years] => 4
)
Property exists: years
Notice: Trying to get property 'years' of non-object in /in/WZeIB on line 28
Years in current job:
- Output for 7.3.32 - 7.3.33
- stdClass Object
(
[name] => Fred
[job] => stdClass Object
(
[position] => Janitor
[years] => 4
)
)
stdClass Object
(
[name] => Fred
[job] => stdClass Object
(
[position] => Janitor
[years] => 4
)
)
Property exists: jobstdClass Object
(
[position] => Janitor
[years] => 4
)
Property exists: yearsYears in current job:
- Output for 5.2.6 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
- stdClass Object
(
[name] => Fred
[job] => stdClass Object
(
[position] => Janitor
[years] => 4
)
)
stdClass Object
(
[name] => Fred
[job] => stdClass Object
(
[position] => Janitor
[years] => 4
)
)
Property exists: job
Notice: Undefined property: stdClass::$job in /in/WZeIB on line 28
stdClass Object
(
[position] => Janitor
[years] => 4
)
Property exists: years
Notice: Trying to get property of non-object in /in/WZeIB on line 28
Years in current job:
- Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.5
- 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
Notice: Undefined property: stdClass::$job in /in/WZeIB on line 28
stdClass Object
(
[position] => Janitor
[years] => 4
)
Property exists: years
Notice: Trying to get property of non-object in /in/WZeIB on line 28
Years in current job:
- 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/WZeIB 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/WZeIB 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/WZeIB 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/WZeIB on line 21
preferences:
343.47 ms | 402 KiB | 459 Q