1 compile 編譯文件
function compile($filename)
{
$content = php_strip_whitespace($filename);
$content = trim(substr($content, 5));
// 替換預編譯指令
$content = preg_replace('/\/\/\[RUNTIME\](.*?)\/\/\[\/RUNTIME\]/s', '', $content);
if(0===strpos($content,'namespace')){
$content = preg_replace('/namespace\s(.*?);/','namespace \\1{',$content,1);
}else{
$content = 'namespace {'.$content;
}
if ('?>' == substr($content, -2))
$content = substr($content, 0, -2);
return $content.'}';
}
2 strip_whitespace 去除代碼中的空白和注釋
function strip_whitespace($content)
{
$stripStr = '';
//分析php源碼
$tokens = token_get_all($content);
$last_space = false;
for ($i = 0, $j = count($tokens); $i < $j; $i++) {
if (is_string($tokens[$i])) {
$last_space = false;
$stripStr .= $tokens[$i];
} else {
switch ($tokens[$i][0]) {
//過濾各種PHP注釋
case T_COMMENT:
case T_DOC_COMMENT:
break;
//過濾空格
case T_WHITESPACE:
if (!$last_space) {
$stripStr .= ' ';
$last_space = true;
}
break;
case T_START_HEREDOC:
$stripStr .= "<<<THINK\n";
break;
case T_END_HEREDOC:
$stripStr .= "THINK;\n";
for($k = $i+1; $k < $j; $k++) {
if(is_string($tokens[$k]) && $tokens[$k] == ';') {
$i = $k;
break;
} else if($tokens[$k][0] == T_CLOSE_TAG) {
break;
}
}
break;
default:
$last_space = false;
$stripStr .= $tokens[$i][1];
}
}
}
return $stripStr;
}
