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php array

<?php$gx=array(1,4,5);echo $-------;?>Write those things to output this array

那個男人 2018-11-30 23:11:15 0  1  1473

php array transformation

The php array is as follows {code...} How does the above array become the following {code...}

習慣沉默 2017-06-12 09:22:11 0  4  1113

php array rotation

Of these two integer arrays, how do I determine if the second array is a rotated version of the first array and which php function is required? Example: Original array A=[1,2,3,4,5,6,7,8] Rotated array B=[6,7,8,1,2,3,4,5] In this example, the array All numbers of A are rotated 5 places to the right.

P粉043295337 2023-09-03 14:08:19 0  1  714

PHP multidimensional array traversal, as shown in the figure

<?php $arr=array( 'Teaching Department'=>array( ??????? array('Li','18','shemale'), &nbsp

菜鳥 2019-04-21 01:22:55 0  1  1206

How to insert associative array in PHP?

I need the following arrangement of SQL results in PHP: Luis Carlos Peter if(!$result){echo "Anerroroccurred.\n";exit;}while($array=pg_fetch_array($result)){$list=$ array['list'];}pg_free_result($result);But only pedro is returned in the array.

P粉762730205 2024-04-02 22:27:01 0  1  659

Algorithmic issues with php array splitting

Split the string $str = '12,34,5'; into an array $arr = [[1,3,5],[1,4,5],[2,3,5],[2,4 ,5]]; Find the PHP logical algorithm to convert $str to $arr;

習慣沉默 2017-05-16 13:08:40 0  2  957

How to operate such array in php

<?php //////The currently queried data $redata = array( 0=>['id'=>1,'name'=>'Zhang San','age'=>22,'hobby'=>'study'], &nbs

大叔劉 2018-08-24 13:33:02 0  3  1061

php json_encode function encrypts a two-dimensional array and returns false!!!!!????

The php json_encode function encrypts a two-dimensional array and returns false!!!!!???? Why is this? Please give me some advice.

..... 2018-08-03 17:42:23 0  3  1684

PHP returns a two-dimensional array to ajax. How does ajax display the values ??in this two-dimensional array on the page?

As shown in the title, PHP has successfully passed the two-dimensional array back to ajax. Using alert in ajax can successfully print out the two-dimensional array. However, when alerting a one-dimensional array, the pop-up window will prompt undefined. I want to display the specific values ??in the...

LRTRL 2017-06-27 09:47:06 0  1  1484

PHP warning: cannot convert array to string

I have this code in my file: if(is_array($_REQUEST))$cepl=implode('',$_REQUEST); Every few days I get the following warning in the php log: PHP warning: in / Line 76 of file.php, converting the array into a string, line 76 is: $cepl=implode('',$_REQUEST); I can't figure out what caused this warning?...

P粉101708623 2023-08-15 22:27:37 0  1  622

PHP master looks at an array problem

{Code...} The data in the data inventory is like this ['7','2'] 7 represents the product id and 2 represents the quantity of the product purchased. Now how can I restore it to an array that can be used by PHP?

高洛峰 2017-06-08 11:01:38 0  7  966

PHP array How to elegantly convert 1,2,4,5,6,7,9,11 into a string like '1,2,4-7,9,11'?

For example, if there is a php array {code...} that can be elegantly converted into a string like {code...}? Thank you for your answer.

過去多啦不再A夢 2017-06-05 11:07:46 0  2  747

Title rewritten to: "Undefined variable in PHP array"

I'm trying to get the country code using php. I use the following code, but get this warning: Undefined index: country_codefunctiongetIP($ip){$curl=curl_init();curl_setopt_array($curl,array(CURLOPT_URL=>"http://ipwho.is/". $ip,CURLOPT_RETURNTRANSFER=>true,

P粉432930081 2023-09-05 20:13:14 0  1  793

How to select a random value from an array in PHP?

I have an array of objects in PHP. I need to randomly select 8 of them. My initial idea was to use array_rand(array_flip($my_array),8) but this doesn't work because objects cannot be keys to arrays. I know I can use shuffle, but I'm worried that as the array grows the performance will get worse. Is ...

P粉860897943 2023-08-24 22:40:55 0  2  739

PHP calculates the maximum and minimum values ????of an array Dashenjin

How to calculate the maximum value and minimum value of such an array? It can be seen at a glance that the minimum value is 0 and the maximum value is 459. But how to calculate it using PHP?

怪我咯 2017-05-18 10:46:03 0  6  948

PHP method to flatten a tree array and map it to a new array format s key => value

I have a complex array in php like this: [0=>['id'=>'2''parent_id'=>'1''text'=>'Algoritma''lvl'=>'1' 'nodes'=>[0=>['id'=>'11''parent_id'=>'2''text'=>'Flowchart''lvl'=>'2''href'=>'/site /re

P粉563831052 2023-09-03 20:28:52 0  2  645

Get 2D array from API Post request in PHP

I can't get the 2D array of the APIpost request. Unable to formulate logic in php to get multiple arrays from JSON format API. The structure of the JSONAPI request is: "abc":[{"id":123,"days":[{"a":11,"b":11},{"a":22,"b":22} ]},{&...

P粉057869348 2023-09-08 10:38:02 0  1  859

PHP method that returns interface instance into array

I have a small question that I can't find an answer to on the internet and I'm not really sure how php and the interface work. So the problem is I have an if(!variableinstanceofclass). But here, the class being checked is an interface and should be in an array, you can see in the following code abst...

P粉488464731 2023-09-01 13:40:43 0  1  663

Trying to access array offset of value of type bool in PHP 7.4

I just upgraded my server's PHP version to PHP7.4.1 and now I'm getting this error: NOTE: Trying to access array offset on value of type bool publicstaticfunctionread($id){$Row=MySQL::query("SELECT`Data` FROM`cb_sessions`WHERE`SessionID`='$id'",TRUE);#http://php.net/manua

P粉846294303 2023-08-24 09:06:21 0  2  841

PHP function output shows as Array instead of expected value

I have a php script where I need to update the date format from CYYMMDD to MM/DD/YYYY, I wrote a function to do this for me, but when I print it, the result appears as an 'Array'. //Change the date format from CYYMMDD to MM/DD/YYfunctiongetDate(string$iDATE){$iDay=substr($iDATE,5,2);$iMonth=substr($...

P粉722409996 2024-02-04 11:38:12 0  1  948