(PHP 5 >= 5.3.0, PHP 7)
openssl_digest — 锟斤拷锟斤拷摘要
$data
, string $method
[, bool $raw_output = false
] ) : string使锟矫革拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷莸锟秸拷锟较Ｖ碉拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟皆硷拷幕锟�16锟斤拷锟狡憋拷锟斤拷锟斤拷址锟斤拷锟斤拷锟�
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data锟斤拷锟斤拷锟斤拷锟斤拷锟捷★拷
method要使锟矫碉拷摘要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 "sha256", 锟介看 openssl_get_md_methods() 锟斤拷锟斤拷锟斤拷取锟斤拷锟斤拷锟斤拷玫锟秸拷锟斤拷锟斤拷锟�
raw_output
为 TRUE 时锟斤拷锟结返锟斤拷原始锟斤拷锟斤拷锟斤拷荩锟斤拷锟斤拷蚍祷锟街碉拷锟斤拷锟斤拷锟�16锟斤拷锟狡★拷
锟缴癸拷锟斤拷锟斤拷锟斤拷摘要锟斤拷希值锟斤拷 锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE.
锟斤拷锟酵拷锟�method锟斤拷锟斤拷锟斤拷锟捷碉拷锟斤拷一锟斤拷未知锟斤拷摘要锟姐法锟斤拷锟斤拷锟斤拷锟阶筹拷一锟斤拷E_WARNING 锟斤拷锟侥达拷锟斤拷