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AJAX POST and Plus Sign ( + ) — How to Encode?

I'm POSTing the contents of a form field via AJAX to a PHP script and using JavaScript to escape(field_contents) . The problem is that any plus signs are being stripped out and replaced by spaces. How can I safely 'encode' the plus sign and then appropriately 'decode' it on the PHP side? ...
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instantiate a class from a variable in PHP?

...r as I can tell) must declare the full namespace path of a class. MyClass.php namespace com\company\lib; class MyClass { } index.php namespace com\company\lib; //Works fine $i = new MyClass(); $cname = 'MyClass'; //Errors //$i = new $cname; //Works fine $cname = "com\\company\\lib\\".$cname...
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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 ...
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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. ...
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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...
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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 ...
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第一个Hello,OS World操作系统 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...0 其中,主要的步骤代码中都有详尽的注释,如有任何问题,请移步至论坛《深入OS》板块发帖讨论。 编译执行过程: 打开dos窗口,进入源码所在目录,执行命令nasm boot.asm -o pfos.img: 同目录下生成一个"pfos.img"软盘映...
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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 | ...
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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...
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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 ...