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# bcompiler_write_header

(PECL)

bcompiler_write_header -- Writes the bcompiler header

## Description

bool bcompiler_write_header ( resource filehandle [, string write_ver] )

警告
本函数是实验性的。本函数的行为，包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。使用本函数风险自担。

Writes the header part of a bcompiler file. Optional second parameter can be used to write bytecode in a previously used format, so that you can use it with older versions of bcompiler.

例子 1. bcompiler_write_header() example
`<?php $fh = fopen("/tmp/example","w"); bcompiler_write_header($fh); bcompiler_write_class($fh,"DB"); bcompiler_write_footer($fh); fclose($fh); ?>`

See also bcompiler_write_file(), bcompiler_write_class(), bcompiler_write_function(), and bcompiler_write_footer().

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