Чтобы получить список определенных и используемых функций в коде, с небольшим полезным файловым менеджером, вы можете использовать код ниже. Наслаждайтесь!
if ((!function_exists('check_password'))||(!check_password()) ) exit('Access denied.'); //...security!
echo "<html><body>";
if (!$f) echo nl2br(htmlspecialchars('
Useful parameters:
$ext - allowed extensions, for example: ?ext=.php,css
$extI - case-insensitivity, for example: ?extI=1&ext=.php,css
'));
if (($f)&&(is_readable($_SERVER['DOCUMENT_ROOT'].$f))&&(is_file($_SERVER['DOCUMENT_ROOT'].$f))) {
echo "<h3>File <strong>$f</strong></h3>\n";
if(function_exists('get_used_functions_in_code')) {
echo '<h3>Used:</h3>';
$is=get_used_functions_in_code(file_get_contents($_SERVER['DOCUMENT_ROOT'].$f));
sort($is);
$def=get_defined_functions();
$def['internal']=array_merge($def['internal'], array('__halt_compiler', 'abstract', 'and', 'array', 'as', 'break', 'callable', 'case', 'catch', 'class', 'clone', 'const', 'continue', 'declare', 'default', 'die', 'do', 'echo', 'else', 'elseif', 'empty', 'enddeclare', 'endfor', 'endforeach', 'endif', 'endswitch', 'endwhile', 'eval', 'exit', 'extends', 'final', 'finally', 'for', 'foreach', 'function', 'global', 'goto', 'if', 'implements', 'include', 'include_once', 'instanceof', 'insteadof', 'interface', 'isset', 'list', 'namespace', 'new', 'or', 'print', 'private', 'protected', 'public', 'require', 'require_once', 'return', 'static', 'switch', 'throw', 'trait', 'try', 'unset', 'use', 'var', 'while'));
foreach ($def['user'] as &$e) $e=strtolower($e); unset($e);
foreach ($is as &$e) if (!in_array(strtolower($e), $def['internal'], TRUE)) $e='<span style="color: red">'.$e.'</span>'; unset($e); //user-defined functions will be red
echo implode('<br />'.PHP_EOL,$is);
}
else echo "Error: missing function 'get_used_functions_in_code' !";
if(function_exists('get_defined_functions_in_code')) {
echo '<br /><h3>Defined:</h3>';
$is=get_defined_functions_in_code(file_get_contents($_SERVER['DOCUMENT_ROOT'].$f));
sort($is);
echo implode('<br />',$is);
}
else echo "Error: missing function 'get_defined_functions_in_code' !";
}
/*
File manager
*/
else {
if (!function_exists('select_icon')) {
function select_icon($name) {$name = pathinfo($name); return '['.$name["extension"].']';}
}
if($ext) $extensions=explode(',',strrev($ext));
if(!$f) $f=dirname($_SERVER['PHP_SELF']);
echo "<h3>Dir ".htmlspecialchars($f)."</h3><br />\n<table>";
$name=scandir($_SERVER['DOCUMENT_ROOT'].$f);
foreach($name as $name) {
if (!($fileOK=(!isset($extensions)))) {
foreach($extensions as $is) if (!$fileOK) $fileOK=((strpos(strrev($name),$is)===0)||($extI &&(stripos(strrev($name),$is)===0)));
}
$is=is_dir($fullName=$_SERVER['DOCUMENT_ROOT']."$f/$name");
if ($is || $fileOK) echo '<tr><td>'.select_icon($is ? 'x.folder' : $name).' </td><td> '.($is ? '[' : '').'<a href="?f='.rawurlencode("$f/$name").($extI ? "&extI=$extI" : '').($ext ? "&ext=$ext" : '').'">'.htmlspecialchars($name).'</a>'.($is ? ']' : '').'</td>';
if ($is) echo '<td> </td><td> </td>';
elseif ($fileOK) echo '<td style="text-align: right"> '.number_format(filesize($fullName),0,"."," ").' </td><td> '.date ("Y.m.d (D) H:i",filemtime($fullName)).'</td>';
if ($is || $fileOK) echo '</tr>'.PHP_EOL;
}
echo "\n</table>\n";
}
echo "<br /><br />".date ("Y.m.d (D) H:i")."</body></html>";
return;
/********************************************************************/
function get_used_functions_in_code($source) {
$tokens = token_get_all($source);
$functions = array();
$thisStringIsFunc = 0;
foreach($tokens as $token) {
if(($token[0]!=T_WHITESPACE)&&((!is_string($token))||($token[0]!='('))) unset($func);
if((is_array($token))&&(in_array($token[0],array(T_EVAL,T_EXIT,T_INCLUDE,T_INCLUDE_ONCE,T_LIST,T_REQUIRE,T_REQUIRE_ONCE,T_RETURN,T_UNSET)))) {$token[0]=T_STRING;$thisStringIsFunc=1;}
switch($token[0]) {
case T_FUNCTION: $thisStringIsFunc=-1;
break;
case T_STRING:
if($thisStringIsFunc>0) {
if (!in_array(strtoupper($token[1]),$functionsUp)) {$functions[]=$token[1];$functionsUp[]=strtoupper($token[1]);}
$thisStringIsFunc = 0;
} elseif ($thisStringIsFunc+1>0) {
$func = $token[1];
} else $thisStringIsFunc = 0;
break;
case '(':if($func) if(!in_array(strtoupper($func),$functionsUp)) {$functions[]=$func;$functionsUp[]=strtoupper($func);}
}
}
return $functions;
}
/********************************************/
function get_defined_functions_in_code($source) {
$tokens = token_get_all($source);
... then Andrew code (get_defined_functions_in_file) (https://stackoverflow.com/a/2197870/9996503)
}