#!/usr/local/bin/php -qC
<?
/*
$Id: phpa.php 2008/04/28 $
David Phillips <david@acz.org>
*/
__phpa__setup();
__phpa__print_info();
for (;;)
{
readline_completion_function("__phpa__rl_complete");
$__phpa__line = readline(">>> ");
if ($__phpa__line === false)
{
echo "\n";
break;
}
if (strlen($__phpa__line) == 0)
continue;
if ((!isset($__phpa__hist)) || (($__phpa__line != $__phpa__hist)))
{
readline_add_history($__phpa__line);
$__phpa__hist = $__phpa__line;
}
if (__phpa__is_immediate($__phpa__line))
$__phpa__line = "return ($__phpa__line)";
ob_start();
$ret = eval("unset(\$__phpa__line); $__phpa__line;");
if (ob_get_length() == 0)
{
if (is_bool($ret))
echo ($ret ? "true" : "false");
else if (is_string($ret))
echo "'" . addcslashes($ret, "\0..\37\177..\377") . "'";
else if (!is_null($ret))
print_r($ret);
}
unset($ret);
$out = ob_get_contents();
ob_end_clean();
if ((strlen($out) > 0) && (substr($out, -1) != "\n"))
$out .= "\n";
echo $out;
unset($out);
}
function __phpa__rl_complete($line, $pos, $cursor)
{
$const = array_keys(get_defined_constants());
$var = array_keys($GLOBALS);
$func = get_defined_functions();
$s = "__phpa__";
foreach ($func["user"] as $i)
if (substr($i, 0, strlen($s)) != $s)
$func["internal"][] = $i;
$func = $func["internal"];
return array_merge($const, $var, $func);
}
function __phpa__is_immediate($line)
{
$skip = array("class", "declare", "die", "echo", "exit", "for",
"foreach", "function", "global", "if", "include",
"include_once", "print", "require", "require_once",
"return", "static", "switch", "unset", "while");
$okeq = array("===", "!==", "==", "!=", "<=", ">=");
$code = "";
$sq = false;
$dq = false;
for ($i = 0; $i < strlen($line); $i++)
{
$c = $line{$i};
if ($c == "'")
$sq = !$sq;
else if ($c == '"')
$dq = !$dq;
else if (($sq) || ($dq))
{
if ($c == "\\")
$i++;
}
else
$code .= $c;
}
$code = str_replace($okeq, "", $code);
if (strcspn($code, ";{=") != strlen($code))
return false;
$kw = split("[^A-Za-z0-9_]", $code);
foreach ($kw as $i)
if (in_array($i, $skip))
return false;
return true;
}
function __phpa__print_info()
{
$ver = phpversion();
$sapi = php_sapi_name();
$date = __phpa__build_date();
$os = PHP_OS;
echo "PHP $ver ($sapi) ($date) [$os]\n";
}
function __phpa__build_date()
{
ob_start();
phpinfo(INFO_GENERAL);
$x = ob_get_contents();
ob_end_clean();
$x = strip_tags($x);
$x = explode("\n", $x);
$s = array("Build Date => ", "Build Date ");
foreach ($x as $i)
foreach ($s as $j)
if (substr($i, 0, strlen($j)) == $j)
return trim(substr($i, strlen($j)));
return "???";
}
function __phpa__setup()
{
if (version_compare(phpversion(), "4.3.0", "<"))
{
echo "PHP 4.3.0 or above is required.\n";
exit(111);
}
if (!extension_loaded("readline"))
{
$prefix = (PHP_SHLIB_SUFFIX == "dll") ? "php_" : "";
if (!@dl($prefix . "readline." . PHP_SHLIB_SUFFIX))
{
echo "The 'readline' module is required.\n";
exit(111);
}
}
error_reporting(E_ALL | E_STRICT);
ini_set("error_log", NULL);
ini_set("log_errors", 1);
ini_set("html_errors", 0);
ini_set("display_errors", 0);
while (ob_get_level())
ob_end_clean();
ob_implicit_flush(true);
}
?>