setup.php

一个用PHP编写的

    return $ret;
}

/**
 * Terminates script and ends HTML
 *
 * @return nothing
 */
function footer() {
    echo '</body>';
    echo '</html>';
    exit;
}

/**
 * Creates string describing server authentication method
 *
 * @param   array   server configuration
 *
 * @return  string  authentication method description
 */
function get_server_auth($val) {
    global $PMA_Config;

    if (isset($val['auth_type'])) {
        $auth = $val['auth_type'];
    } else {
        $auth = $PMA_Config->default_server['auth_type'];
    }
    $ret = $auth;
    if ($auth == 'config') {
        if (isset($val['user'])) {
            $ret .= ':' . $val['user'];
        } else {
            $ret .= ':' . $PMA_Config->default_server['user'];
        }
    }
    return $ret;
}

/**
 * Creates nice string with server name
 *
 * @param   array   server configuration
 * @param   int     optional server id
 *
 * @return  string  fancy server name
 */
function get_server_name($val, $id = FALSE, $escape = true) {
    if (!empty($val['verbose'])) {
        $ret = $val['verbose'];
    } else {
        $ret = $val['host'];
    }
    $ret .= ' (' . get_server_auth($val) . ')';
    if ($id !== FALSE) {
        $ret .= ' [' . ($id + 1) . ']' ;
    }
    if ($escape) {
        return htmlspecialchars($ret);
    } else {
        return $ret;
    }
}


/**
 * Exports variable to PHP code, very limited version of var_export
 *
 * @param   string  data to export
 *
 * @see var_export
 *
 * @return  string  PHP code containing variable value
 */
function PMA_var_export($input) {
    $output = '';
    if (is_null($input)) {
        $output .= 'NULL';
    } elseif (is_array($input)) {
        $output .= "array (\n";
        foreach($input as $key => $value) {
            $output .= PMA_var_export($key) . ' => ' . PMA_var_export($value);
            $output .= ",\n";
        }
        $output .= ')';
    } elseif (is_string($input)) {
        $output .= '\'' . addslashes($input) . '\'';
    } elseif (is_int($input) || is_double($input)) {
        $output .= (string) $input;
    } elseif (is_bool($input)) {
        $output .= $input ? 'true' : 'false';
    } else {
        die('Unknown type for PMA_var_export: ' . $input);
    }
    return $output;
}	

/**
 * Creates configuration code for one variable
 *
 * @param   string  variable name
 * @param   mixed   configuration
 *
 * @return  string  PHP code containing configuration
 */
function get_cfg_val($name, $val) {
    $ret = '';
    if (is_array($val)) {
        $ret .= "\n";
        foreach ($val as $k => $v) {
            if (!isset($type)) {
                if (is_string($k)) {
                    $type = 'string';
                } elseif (is_int($k)) {
                    $type = 'int';
                    $ret .= $name . " = array(\n";
                } else {
                    // Something unknown...
                    $ret .= $name. ' = ' . PMA_var_export($val) . ";\n";
                    break;
                }
            }
            if ($type == 'string') {
                $ret .= get_cfg_val($name . "['$k']", $v);
            } elseif ($type == 'int') {
                $ret .= "    " . PMA_var_export($v) . ",\n";
            }
        }
        if (!isset($type)) {
            /* Empty array */
            $ret .= $name . " = array();\n";
        } elseif ($type == 'int') {
            $ret .= ");\n";
        }
        $ret .= "\n";
        unset($type);
    } else {
        $ret .= $name . ' = ' . PMA_var_export($val) . ";\n";
    }
    return $ret;
}

/**
 * Creates configuration PHP code
 *
 * @param   array   configuration
 *
 * @return  string  PHP code containing configuration
 */
function get_cfg_string($cfg) {
    global $script_info, $script_version, $now;

    $c = $cfg;
    $ret = "<?php\n/*\n * Generated configuration file\n * Generated by: $script_info\n * Version: $script_version\n * Date: " . $now . "\n */\n\n";

    if (count($c['Servers']) > 0) {
        $ret .= "/* Servers configuration */\n\$i = 0;\n";
        foreach ($c['Servers'] as $cnt => $srv) {
            $ret .= "\n/* Server " . strtr(get_server_name($srv, $cnt, false), '*', '-') . " */\n\$i++;\n";
            foreach ($srv as $key => $val) {
                $ret .= get_cfg_val("\$cfg['Servers'][\$i]['$key']", $val);
            }
        }
        $ret .= "\n/* End of servers configuration */\n\n";
    }
    unset($c['Servers']);

    foreach ($c as $key => $val) {
        $ret .= get_cfg_val("\$cfg['$key']", $val);
    }

    $ret .= "?>\n";
    return $ret;
}

/**
 * Compresses server configuration to be indexed from 0 and contain no gaps
 *
 * @param   array   configuration
 *
 * @return  nothing
 */
function compress_servers(&$cfg) {
    $ns = array();
    foreach ($cfg['Servers'] as $val) {
        if (!empty($val['host'])) {
            $ns[] = $val;
        }
    }
    $cfg['Servers'] = $ns;
}

/**
 * Grabs values from POST
 *
 * @param   string   list of values to grab, values are separated by ";",
 *                   each can have defined type separated by ":", if no type
 *                   is defined, string is assumed. Possible types: bool -
 *                   boolean value, serialized - serialized value, int -
 *                   integer, tristate - "TRUE"/"FALSE" converted to bool,
 *                   other strings are kept.
 *
 * @return  array   array with grabbed values
 */
function grab_values($list)
{
    $a = split(';', $list);
    $res = array();
    foreach ($a as $val) {
        $v = split(':', $val);
        if (!isset($v[1])) {
            $v[1] = '';
        }
        switch($v[1]) {
            case 'bool':
                $res[$v[0]] = isset($_POST[$v[0]]);
                break;
            case 'serialized':
                if (isset($_POST[$v[0]]) && strlen($_POST[$v[0]]) > 0) {
                    $res[$v[0]] = unserialize($_POST[$v[0]]);
                }
                break;
            case 'int':
                if (isset($_POST[$v[0]]) && strlen($_POST[$v[0]]) > 0) {
                    $res[$v[0]] = (int)$_POST[$v[0]];
                }
                break;
            case 'tristate':
                if (isset($_POST[$v[0]]) && strlen($_POST[$v[0]]) > 0) {
                    $cur = $_POST[$v[0]];
                    if ($cur == 'TRUE') {
                        $res[$v[0]] = TRUE;
                    } elseif ($cur == 'FALSE') {
                        $res[$v[0]] = FALSE;
                    } else {
                        $res[$v[0]] = $cur;
                    }
                }
                break;
            case 'string':
            default:
                if (isset($_POST[$v[0]]) && strlen($_POST[$v[0]]) > 0) {
                    $res[$v[0]] = $_POST[$v[0]];
                }
                break;
        }
    }
    return $res;
}

/**
 * Displays overview
 *
 * @param   string  title of oveview
 * @param   array   list of values to display (each element is array of two
 *                  values - name and value)
 * @param   string  optional buttons to be displayed
 *
 * @return  nothing
 */
function show_overview($title, $list, $buttons = '') {
    echo '<fieldset class="overview">' . "\n";
    echo '<legend>' . $title . '</legend>' . "\n";
    foreach ($list as $val) {
        echo '<div class="row">';
        echo '<div class="desc">';
        echo $val[0];
        echo '</div>';
        echo '<div class="data">';
        echo $val[1];
        echo '</div>';
        echo '</div>' . "\n";
    }
    if (!empty($buttons)) {
        echo '<div class="buttons">';
        echo '<div class="desc">Actions:</div>';
        echo $buttons;
        echo '</div>' . "\n";
    }
    echo '</fieldset>' . "\n";
    echo "\n";
}

/**
 * Displays configuration, fallback defaults are taken from global $PMA_Config
 *
 * @param   array   list of values to display (each element is array of two or
 *                  three values - desription, name and optional type
 *                  indicator). Type is determined by type of this parameter,
 *                  array means select and array elements are items,
 *                  'password' means password input.
 * @param   string  title of configuration
 * @param   string  help string for this configuration
 * @param   array   optional first level defaults
 * @param   string  optional title for save button
 * @param   string  optional prefix for documentation links
 *
 * @return  nothing
 */
function show_config_form($list, $legend, $help, $defaults = array(), $save = '', $prefix = '') {
    global $PMA_Config;

    if (empty($save)) {
        $save = 'Update';
    }

    echo '<fieldset class="optbox">' . "\n";
    echo '<legend>' . $legend . '</legend>' . "\n";
    echo '<p>' . $help . '</p>' . "\n";
    foreach ($list as $val) {
        echo '<div class="opts">';
        $type = 'text';
        if (isset($val[3])) {
            if (is_array($val[3])) {
                $type = 'select';
            } elseif (is_bool($val[3])) {
                $type = 'check';
            } elseif ($val[3] == 'password') {
                $type = 'password';
            }
        }
        switch ($type) {
            case 'text':
            case 'password':
                echo '<label for="text_' . $val[1] . '" class="desc" title="' . $val[2] . '">' . $val[0] . get_cfg_doc($prefix . $val[1]) . '</label>';
                echo '<input type="' . $type . '" name="' . $val[1] . '" id="text_' . $val[1] . '" title="' . $val[2] . '" size="50"';
                if (isset($defaults[$val[1]])) {
                    echo ' value="' . htmlspecialchars($defaults[$val[1]]) . '"';
                } else {
                    echo ' value="' . htmlspecialchars($PMA_Config->get($val[1])) . '"';
                }
                echo ' />';
                break;
            case 'check':
                echo '<input type="checkbox" name="' . $val[1] . '" value="something" id="checkbox_' . $val[1] . '" title="' . $val[2] . '"';
                if (isset($defaults[$val[1]])) {
                    if ($defaults[$val[1]]) {
                        echo ' checked="checked"';
                    }
                } else {
                    if ($PMA_Config->get($val[1])) {
                        echo ' checked="checked"';
                    }
                }
                echo ' />';
                echo '<label for="checkbox_' . $val[1] . '" title="' . $val[2] . '">' . $val[0] . get_cfg_doc($prefix . $val[1]) . '</label>';
                break;
            case 'select':