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php string comparison

When I used PHP for string comparison, I encountered a pit, as shown in the code: {Code...} The first result is true, and the second result is false. After looking through the official documents, if the first one is forced to be converted to the number 0, then the second one should be forced to be c...

typecho 2017-06-16 09:18:38 0  4  1077

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

How to create a string equivalent to yyyyMMddHHmmssffff in PHP?

I'm trying to integrate with some VB code that generates a string using DateTime.Now.ToString("yyyyMMddHHmmssffff"). In PHP, the closest I can get is using date('YmdHis'). But this is missing the millisecond part. I have tried using microtime, such as date('YmdHis', microtime(true)), and t...

P粉238355860 2023-07-31 12:10:17 0  1  934

How to convert json string to json object in php

Looking for a writing method similar to msg = eval('(' + msg + ')'); in js. Currently, it is known that php uses json_decode() for string json and returns null. Baidu does not have other methods.

代言 2017-06-30 09:56:25 0  2  1024

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(guò)去多啦不再A夢(mèng) 2017-06-05 11:07:46 0  2  750

serializers - The data passed by ajax is a serialized string, why does php accept it as an array?

Front-end code: if(register_flag){ //The registration information is correct {code...} php code require 'config.php'; {code...} The error reported here says that the second parameter of explode() should be of type string , but what I wear is an array type. The data passed by ajax is of string type.....

伊謝爾倫 2017-05-16 13:00:09 0  4  1081

How can I make this program format the string correctly? PHP - Nested For Loops

<?php$list=['a','b','c'];$count=[1,3,5];functionstringFormatter($c,$i){return"Charis$c&Intis$i";}for($i=0;i<$list;$i++){for($j=0;$j<$count;$j++){$string=stringFormatter($list[$i

P粉006540600 2024-01-17 09:06:14 0  2  836

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in...

P粉369196603 2023-09-05 15:34:44 0  1  1213

How can I get the first sequence of numbers of a string via php?

my_string='(VAT code) address (address) 034372350-352VoVanKiet,CoGiangWard'my current code=preg_replace('/[^0-9]/','',my_string)my current result=034372350352This is an error but I need the correct result = 034372 How to get the first sequence of numbers in a string using php? Thanks

P粉014218124 2023-09-09 10:11:24 0  2  761

Please write out the OLE connection string (php) to connect to the database "student.mdb"

Please write out the OLE connection string (php) to connect to the database "student.mdb". Please help me. My child is going crazy reviewing. Please help. My child is going crazy reviewing. Please help. My child is going crazy reviewing. Please help. , the child is going crazy reviewing, p...

有為魚 2019-01-08 14:19:58 0  0  1082

Regarding using php and OCR to identify image tables, how can the identified images be displayed completely in their original format?

This is my original code: <?php/** * Post request * * @param string $url address * @param array $headers Http Header * @param string $body content * @return string */function post($url , $headers,

P粉269094165 2023-08-09 19:24:08 0  0  482

php filter special string

How to filter out white squares in php and js? Before and after entering the database, the screenshots are read directly from the database, and the white squares are displayed in the database.

捂耳聽風(fēng)。 2018-06-26 20:46:33 0  5  1442

$zz = '/[0-5]\w+/'; What is the + sign used for? Why is it not included in some of the examples below?

<?php$zz = '/[0-5]\w+/';$string = '1C';$string2 = '1C$';if(preg_match($zz, $string, $matches)){ echo ' Matched, the result is: '; var_dump($matches);}else{&n

益?zhèn)?2017-10-21 12:04:43 0  3  1712

Problem for beginners - phpstorm cannot delete a certain character in the string and reports an error. How to solve it?

<?php $string='king'; $string{1}=''; echo $stringWarning: Cannot assign an empty string to a string offset in E:\phpstudy\demo1\.....This code is very simple and should be no problem. It can be executed in the video tutorial, but my computer just executes the report

Wilson 2018-11-18 12:32:06 0  0  829

Regular expression* problem

<?php$zz = '/Audi*/';$string = "Audi Audi 2500 is my favorite"; if(preg_match($zz, $string, $matches)){ echo 'Matched, the result is ：'; var_dump($matches);}else{ echo

益?zhèn)?2017-11-18 09:49:36 0  8  1667

PHP uses one string to modify characters in another string

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阿神 2017-05-16 13:01:01 0  2  374

PHP warning: illegal string offset

After updating my php version to 5.4.0-3, I'm getting a strange PHP error. I have this array: Array([host]=>127.0.0.1[port]=>11211) When I try to access it like this I get strange warning print$memcachedConfig['host'];print$memcachedConfig[ 'port'];Warning:Illegalstringoffset'host'in.

P粉548512637 2023-10-09 23:52:16 0  2  819

How to implement php

Algorithm, how does PHP implement inputting a string and outputting all combinations of characters in the string. For example: input parameters: string: "abc" Output: "a", "b", "c", "ab", "ac", "bc", "abc"

大大 2019-04-10 20:51:20 0  3  1120

php - string precompilation with tag template

Hello everyone, I encountered a problem when I was using php to do a project. If you want to output a piece of html content with &lt;?php...?&gt;, you usually write the include or require file name at the end for output. But I put this HTML content directly in the database. If I want to outp...

大家講道理 2017-05-16 13:14:51 0  2  472

PHP separate two strings

I need a code to get the first and second number from a PHP string. $string="ACCESS_NUMBER:160375356:13176570247";$stringOne="";$stringTwo="";I need a code that can get 160375356 and store it in $stringOne and also get this 13176570247 and store it in String$st

P粉491421413 2024-04-02 08:57:35 0  1  642