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NSLog an object's memory address in overridden description method

... Additional note: %p expects a pointer of type void *, you have to cast self back to void *, else undefined behavior occurs. – user529758 Jun 2 '13 at 20:23 4 ...
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PHP Fatal error: Cannot redeclare class

...x situation). The include_once tip helps to clarify an obscure feature of PHP. – DavidHyogo Mar 20 '13 at 2:12 2 ...
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Php multiple delimiters in explode

... working. I had to remove the spaces and then it worked as expected (using PHP 7) – Boardy Mar 11 '18 at 0:31  |  show 3 more comments ...
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How to implode array with key and value without foreach in PHP

... You could use http_build_query, like this: <?php $a=array("item1"=>"object1", "item2"=>"object2"); echo http_build_query($a,'',', '); ?> Output: item1=object1, item2=object2 Demo ...
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How can I output a UTF-8 CSV in PHP that Excel will read properly?

...his is to use tabs as your separated value. I used this function from the PHP comments (using tabs "\t" instead of commas) and it worked perfectly on OS X and Windows Excel. Note that to fix an issue with an empty column as the end of a row, that I did have to change the line of code that says: ...
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php Replacing multiple spaces with a single space [duplicate]

... Doesn't replace "\n" (PHP 5.3), "/\s+/" get's job done. ;) – Marek Sep 4 '13 at 8:21 1 ...
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List all files in one directory PHP [duplicate]

What would be the best way to list all the files in one directory with PHP? Is there a $_SERVER function to do this? I would like to list all the files in the usernames/ directory and loop over that result with a link, so that I can just click the hyperlink of the filename to get there. Thanks! ...
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PHP报错:Only variables should be passed by reference - C/C++ - 清泛网 - 专注C/C++及内核技术

PHP报错:Only variables should be passed by reference错误信息如下:Strict Standards: Only variables should be passed by reference in D: wamp ecshop includes cls_template.php...错误信息如下: Strict Standards: Only variables should be passed by reference in xxx\ecshop\includes\c...
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PHP去除字符串中的最后一个字符 - 更多技术 - 清泛网 - 专注C/C++及内核技术

PHP去除字符串中的最后一个字符最常见的方法是substr($str, strlen($str) - 1),但使用rtrim($str, , )更优雅。 <?php //PHP去除字符串中的最后一个字符 $str="aaaa,bbb,ccc,ddd,eee,"; echo rtrim($str,','); //第一种方法 trim($str,$chsrlist)去除两边的 ...
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php中0,null,empty,空,false,字符串关系详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术

php中0,null,empty,空,false,字符串关系详解在一个项目中遇到了一个奇怪的问题,耗费了我不少时间都没有解决,最终调试发现是判断的问题—-关于0和 &lsquo; &lsquo; (空单引号,为好...在一个项目中遇到了一个奇怪的问题,耗费了我不...