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<?php function create_function2($args, $content) { static $counter = PHP_INT_MAX; $funcname = "lambda_" . (--$counter); $rawErrorHandler = null; $rawErrorHandler = set_error_handler(function ($errno, $errstr, $errfile, $errline, $errcontext) use (&$rawErrorHandler) { var_dump($errno, $errstr, $errfile, $errline, $errcontext); if ($rawErrorHandler) { return call_user_func($rawErrorHandler, $errno, $errstr, $errfile, $errline, $errcontext); } else { return false; } }, E_WARNING); eval("function \\0{$funcname}({$args}){{$content};}"); restore_error_handler(); return $funcname; } $f = create_function2('$a,$b', 'return $a+$b;'); var_dump($f); var_dump($f(1,2));
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
Parse error: syntax error, unexpected token "\", expecting "(" in /in/0O3ss(16) : eval()'d code on line 1
Process exited with code 255.
Output for 7.0.5 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR), expecting '(' in /in/0O3ss(16) : eval()'d code on line 1
Process exited with code 255.
Output for 7.0.0 - 7.0.4
Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR), expecting identifier (T_STRING) or '(' in /in/0O3ss(16) : eval()'d code on line 1
Process exited with code 255.
Output for 5.5.0 - 5.5.37, 5.6.0 - 5.6.28
Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR), expecting '(' in /in/0O3ss(16) : eval()'d code on line 1 string(26) "lambda_9223372036854775806" Fatal error: Call to undefined function lambda_9223372036854775806() in /in/0O3ss on line 25
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR), expecting identifier (T_STRING) or '(' in /in/0O3ss(16) : eval()'d code on line 1 string(26) "lambda_9223372036854775806" Fatal error: Call to undefined function lambda_9223372036854775806() in /in/0O3ss on line 25
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_NS_SEPARATOR, expecting T_STRING or '(' in /in/0O3ss(16) : eval()'d code on line 1 string(26) "lambda_9223372036854775806" Fatal error: Call to undefined function lambda_9223372036854775806() in /in/0O3ss on line 25
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/0O3ss on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/0O3ss on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/0O3ss on line 8
Process exited with code 255.

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