<?php
$string = <<<XML
<?xml version='1.0'?>
<document>
<title>Forty What?</title>
<from>Joe</from>
<to>Jane</to>
<body>
I know that's the answer -- but what's the question?
</body>
</document>
XML;
$xml = simplexml_load_string($string);
var_dump(
isset($xml->undefined),
is_null($xml->undefined),
$xml->undefined != null,
$xml->undefined !== null
);
- Output for 5.2.0 - 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, 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(false)
bool(false)
bool(true)
bool(true)
- Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
- bool(false)
bool(false)
bool(false)
bool(true)
- Output for 4.4.5 - 4.4.9
- Fatal error: Call to undefined function: simplexml_load_string() in /in/gBT5h on line 15
Process exited with code 255. - Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.1, 4.4.3 - 4.4.4
- Fatal error: Call to undefined function: simplexml_load_string() in /in/gBT5h on line 15
Process exited with code 255. - Output for 4.4.2
- Fatal error: Call to undefined function: simplexml_load_string() in /in/gBT5h on line 16
Process exited with code 255. - Output for 4.3.0 - 4.3.1
- Fatal error: Call to undefined function: simplexml_load_string() in /in/gBT5h on line 15
preferences:
280.17 ms | 401 KiB | 457 Q