The following is a php function:
bool mkdir (string$pathname [, int$mode = 0777 [, bool$recursive = false [,resource context]
我要指出这一职能,具体说明了第一个参数和第三个参数,留下第二个缺省。 我能否?
您不能。 见。 http://www.php.net/manual/en/Functions.arguments.php esp. ex #5 and #6
具体地说:
请注意,在使用缺省论点时,任何缺省都应放在任何非违约论点的正确一边;否则,事情不会像预期的那样奏效。
仅凭你想要说明的参数发挥总结作用。
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