explode | 易学教程

PHP explode and assign it to a multi-dimensional array

阅读更多关于 PHP explode and assign it to a multi-dimensional array

问题 i want to explode a string two time and make a multi-dimensional array. $data = "i love funny movies \n i love stackoverflow dot com \n i like rock song"; $data = explode("\n", $data); so a print_r($data); will output: Array ( [0] => i love funny movies [1] => i love stackoverflow com [2] => i like rock song ) now if i do like this: $line_data = explode(" ", $data); // explode $data variable by spaces. a print_r($line_data); will give me this: Array ( [0] => i [1] => love [2] => funny [3] =>

PHP中implode()和explode()

阅读更多关于 PHP中implode()和explode()

1， implode()函数返回由数组元素组合成的字符串，函数语法：string implode(separator,array),separator参数可选，规定数组元素之间放置的内容，默认是空字符串；array参数表示要组合为字符串的数组。实例： 1 <?php 2 $arr = array('Hello','World!','I','love','Shanghai!'); 3 echo implode(" ",$arr); 4 ?> 输出： Hello World! I love Shanghai! 2，explode()函数返回有字符串组成的数组，这些字符串都是另一个字符串被字符串 delimiter 作为边界点分割出来的。函数语法：array explode(string $delimiter,string $string),$delimiter表示边界上的分割字符；$string表示输入的字符串。 1 <?php 2 $data = "foo:*:1023:1000::/home/foo:/bin/sh"; 3 list($user, $pass, $uid, $gid, $gecos, $home, $shell) = explode(":", $data); 4 echo $user; // foo 5 echo $pass; // * 6 ?> 输出： foo

日常常用方法

阅读更多关于日常常用方法

1.严格搜索数组中是否存在指定的值（第三个参数：true,数据类型也要相同） in_array($search, $arr, true); 2. 获取数组的第一个元素的值 $first = current(explode('.', $field, 2)); 这样写可以兼容到数字索引和关联索引都来源： https://www.cnblogs.com/echojson/p/12631962.html

PHP报错Only variables should be passed by reference in的解决方法

阅读更多关于 PHP报错Only variables should be passed by reference in的解决方法

这个问题多半是因为引用传递参数引起的，解决办法一是修改代码不使用引用传递。 array_shift(explode(' ', $tag)); PHP5.3以上默认只能传递具体的变量，而不能通过函数返回值传递。 $tagArr = explode(' ', $tag); $tag_sel = array_shift($tagArr); 参考地址： https://www.jb51.net/article/121929.htm 来源： https://www.cnblogs.com/wanghaokun/p/12400779.html

Count() returning 1 with comma separated string with explode

阅读更多关于 Count() returning 1 with comma separated string with explode

问题 I have a field that stores tags comma seperated. I'm trying to count the number of items listed. Let's say I've already pulled the data from the DB, and the $tags variable has the following info: $tags = "Videos,Magazines,Store"; // First separate tags by commas, put into into array $tagArray = explode(",",$tags); // Count how many items are in the array $arrayCount = count($tagArray); That always returns "1", regardless if there's an item in the array or not. the $tags variable can have any

How to loop only first value from checkbox with insert query

阅读更多关于 How to loop only first value from checkbox with insert query

问题 i have checkbox with two values like <input type="checkbox" name="analysis[]" value="'.$rows['name'].'_'.$rows['cost'].'"> i want loop only the first value (name) with insert query that is my code , working but it only insert one record every time . loop not working $allAnalysis = $_REQUEST['analysis']; foreach($allAnalysis as $analysis) { $analysis = explode("_", $analysis); $analysis_name = $analysis[0]; $analysis_insert = "INSERT INTO analysis ( analysis_id , analysis_name ) VALUES ( NULL

How to loop only first value from checkbox with insert query

阅读更多关于 How to loop only first value from checkbox with insert query

MySQL - explode/split input to stored procedure

阅读更多关于 MySQL - explode/split input to stored procedure

问题 I have problem, I need to explode my input to my stored procedure, but don't know how I can do it. My stored procedure has a VARCHAR(256) input which I need to split and generate insert statements. i what to explode this varchar "1,2,3,7,8,9" so I need to split that string on "," and iterate through the result 回答1: Yes, please see this forum thread on replicating the functionality in mysql that tsql provides. That thread also discusses some of the downfalls of this method. Also, I think you

Php agrupate elements in array with explode

阅读更多关于 Php agrupate elements in array with explode

问题 I need explode different values, and at the same time, with differents delimiters, in this case "*" and ",", and i want group elements with the same element in common, in this case "car1" With the example i try group elements with the same element when use explode, but don´t get finally <?php /// Values to Explode $a="house1,car1,phone1*house2,car1,phone2*house3,car3,phone3*"; /// First Explode $exp_1=explode("*",$a); /// Loop Explode with "*" foreach($exp_1 as $exps) { $exps=explode(",",

exploding a string with variable

阅读更多关于 exploding a string with variable

问题 I'm trying to manipulate a path to an image using php. The path has a variable userdirectory in it, so i'm struggling with how to write this. Ive used to do : $texthtml = $content; if (preg_match('/<img.+src=[\'"](?P<src>.+?)[\'"].*>/i', $texthtml, $image) ) { $promopic = $image['src']; } to find if there is an image in my content and make a variable out of it. that works, but i need to alter my code to load image from a thumbnail directory for pageload reasons. an image src looks like this :