(PECL bcompiler >= 0.5)
bcompiler_write_constant — Writes a defined constant as bytecodes
Reads the bytecodes from PHP for an existing constant, and writes them to the open file handle.
A file handle as returned by fopen().
The name of the defined constant, as a string.
成功时返回 TRUE， 或者在失败时返回 FALSE.
Example #1 bcompiler_write_constant() example
<?php
define("MODULE_MAX", 30);
$fh = fopen("/tmp/example","w");
bcompiler_write_header($fh);
bcompiler_write_constant($fh,"MODULE_MAX");
bcompiler_write_footer($fh);
fclose($fh);
?>
此函数是实验性的。 此函数的表象，包括名称及其相关文档都可能在未来的 PHP 发布版本中未通知就被修改。使用本扩展风险自担 。