<?php
class Test {
public function go(){
eval('call_user_func(function(){ var_dump(isset($this) ? "Set" : "Not set"); unset($this); var_dump($this); });');
}
}
$t = new Test;
$t->go();
string(3) "Set"
Notice: Undefined variable: this in /in/4G2tH(4) : eval()'d code on line 1
NULL
Output for 5.3.0 - 5.3.29
string(7) "Not set"
Notice: Undefined variable: this in /in/4G2tH(4) : eval()'d code on line 1
NULL
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/4G2tH(4) : eval()'d code on line 1
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br />
<b>Parse error</b>: syntax error, unexpected T_FUNCTION, expecting ')' in <b>/in/4G2tH(4) : eval()'d code</b> on line <b>1</b><br />
Process exited with code 255.
Output for 5.0.0 - 5.0.5
<br />
<b>Parse error</b>: parse error, unexpected T_FUNCTION, expecting ')' in <b>/in/4G2tH(4) : eval()'d code</b> on line <b>1</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br />
<b>Parse error</b>: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/4G2tH</b> on line <b>3</b><br />
Process exited with code 255.
<br />
<b>Parse error</b>: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/4G2tH</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br />
<b>Parse error</b>: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in <b>/in/4G2tH</b> on line <b>3</b><br />
Process exited with code 255.