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portable computer
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最后更新: 2006-09-06
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portable document file
pdf(portable document file)
最后更新: 2006-09-06
使用频率: 1
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code that depends on timeouts is not usually portable and difficult to debug.
you should always try to use socket_select() without timeout. your program should have nothing to do if there is no data available. code that depends on timeouts is not usually portable and difficult to debug.
the reason for this is because there is no portable way to implement a non-blocking dns lookup.
참고: the timeout value does not include the time taken to perform a dns lookup. the reason for this is because there is no portable way to implement a non-blocking dns lookup.
while this is tremendously useful for passing any php stream to any third-party libraries, such behaviour is not portable.
참고: if your system supports fopencookie() (systems using glibc 2 or later), the streams api will always be able to synthesize an ansi file* pointer over any stream. while this is tremendously useful for passing any php stream to any third-party libraries, such behaviour is not portable. you are requested to consider the portability implications before distributing you extension. if the fopencookie synthesis is not desireable, you should query the stream to see if it naturally supports file* by using php_stream_is()
php supports a portable way of locking complete files in an advisory way (which means all accessing programs have to use the same way of locking or it will not work).
php는 파일에 대한 접근을 막는데 간단한 방법을 제공합니다. 이것은 모든 접근하는 프로그램이 파일을 잠그는데 같은 방법을 사용해야 하며 그렇지 않으면 동작하지 않습니다.