大约有 40,000 项符合查询结果(耗时:0.0192秒) [XML]

https://stackoverflow.com/ques... 

Laravel migration: unique key is too long, even if specified

... Specify a smaller length for your e-mail: $table->string('email', 250); Which is the default, actually: $table->string('email'); And you should be good. For Laravel 5.4 you can find a solution in this Laravel 5.4: Specified ...
https://stackoverflow.com/ques... 

Check whether an array is empty [duplicate]

...pty($errors)) { } array_filter() function's default behavior will remove all values from array which are equal to null, 0, '' or false. Otherwise in your particular case empty() construct will always return true if there is at least one element even with "empty" value. ...
https://stackoverflow.com/ques... 

Two-way encryption: I need to store passwords that can be retrieved

... Personally, I would use mcrypt like others posted. But there is much more to note... How do I encrypt and decrypt a password in PHP? See below for a strong class that takes care of everything for you: What is the safest algorit...
https://stackoverflow.com/ques... 

How can I get useful error messages in PHP?

...ple syntax error (wrong bracket, missing semicolon), or a failed function call, or something else entirely. 43 Answers ...
https://stackoverflow.com/ques... 

How do I remove all specific characters at the end of a string in PHP?

... using rtrim replaces all "." at the end, not just the last character $string = "something here.."; echo preg_replace("/\.$/","",$string); share | ...
https://stackoverflow.com/ques... 

Best way to initialize (empty) array in PHP

...ferent ways, with the literal grammar not being dogged by the overhead of calling a function. PHP, on the other hand, has language constructs that may look like functions but aren't treated as such. Even with PHP 5.4, which supports [] as an alternative, there is no difference in overhead because...
https://stackoverflow.com/ques... 

Detecting request type in PHP (GET, POST, PUT or DELETE)

How can I detect which request type was used (GET, POST, PUT or DELETE) in PHP? 13 Answers ...
https://stackoverflow.com/ques... 

The character encoding of the HTML document was not declared

...head: <meta charset="UTF-8"> the character encoding (which is actually UTF-8) of the html document was not declared share | improve this answer | follow ...
https://stackoverflow.com/ques... 

String comparison using '==' vs. 'strcmp()'

... @onur güngör Actually, this does answers the op's question, which is So is there any reason to use strcmp() ?, while Postfuturist's answer doesn't. Oh, hell... no one answer seemed to compile at once the use of strcmp(), the performance of =...
https://stackoverflow.com/ques... 

Cookies on localhost with explicit domain

...unction.setcookie.php#73107. If working with the Java Servlet API, don't call the cookie.setDomain("...") method at all. share | improve this answer | follow ...