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PHP random string generator

... To answer this question specifically, two problems: $randstring is not in scope when you echo it. The characters are not getting concatenated together in the loop. Here's a code snippet with the corrections: function generateRandomString($length = 10)...
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Passing arrays as url parameter

...5D=4&aParam%5Ba%5D=b&aParam%5Bc%5D=d" http_build_query() handles all the necessary escaping for you (%5B => [ and %5D => ]), so this string is equal to aParam[0]=1&aParam[1]=4&aParam[a]=b&aParam[c]=d. ...
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What is the function __construct used for?

... __construct was introduced in PHP5 and it is the right way to define your, well, constructors (in PHP4 you used the name of the class for a constructor). You are not required to define a constructor in your class, but if you wish to pass any parameters on...
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Parsing a string into a boolean value in PHP

...urned only for "0", "false", "off", "no", and "", and NULL is returned for all non-boolean values. share | improve this answer | follow | ...
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Get URL query string parameters

... This is actually the best answer based on the question. The other answers only get the current URI whereas the question only specifies "from URL". – Chris Harrison Aug 29 '13 at 5:38 ...
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What is the best way to stop people hacking the PHP-based highscore table of a Flash game

...e key encryptions and high score postings throughout the binary. This is all mostly a waste of time. It goes without saying, SSL isn't going to help you either; SSL can't protect you when one of the two SSL endpoints is evil. Here are some things that can actually reduce high score fraud: Requi...
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How to declare a global variable in php?

...']; } From the Manual: An associative array containing references to all variables which are currently defined in the global scope of the script. The variable names are the keys of the array. If you have a set of functions that need some common variables, a class with properties may be a g...
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PHP method chaining?

...g PHP 5 and I've heard of a new featured in the object-oriented approach, called 'method chaining'. What is it exactly? How do I implement it? ...
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可重入函数、不可重入函数及线程安全 - C/C++ - 清泛网 - 专注C/C++及内核技术

...区,中断向量表等,所以它如果被中断的话,可能会出现问题,这类函数是不能运行在多任务环境下的。 可重入函数也可以这样理解,重入即表示重复进入,首先它意味着这个函数可以被中断,其次意味着它除了使用自己栈上...
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How to get multiple selected values of select box in php?

... If you want PHP to treat $_GET['select2'] as an array of options just add square brackets to the name of the select element like this: <select name="select2[]" multiple … Then you can acces the array in your PHP script <?php he...