Recent questions tagged PHP

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php - How to enable notices on my development server

I have a development version of PHP on Apache. I moved it to production and got this weird notices in my ... version of website to fix them? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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396 views

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php - Sort multidimensional array alphabetically

How can I sort a array like this alphabetically: $allowed = array( 'pre' => array(), 'code' => array(), 'a' => ... ), ); // sort($allowed); ? ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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343 views

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php - How can I check if a URL exists via Laravel?

I did look at this answer: How can I check if a URL exists via PHP? However, I was wondering if a method ... URL exists (not 404) or not? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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314 views

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php - Decoding a canvas todataURL

I'm having difficulty using data created with canvas's todataurl() method. Currently my code sends the ... Any help greatly appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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307 views

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php - Uniquely identify one computer

I work for a university, and i'm implementing a PHP web app that needs to have different behavior when ... greasemonkey scripts are allowed... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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681 views

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php - MySQL- Unable to jump to row 0 on MySQL result index

I have got an old site that has recently been displaying an error which is weird as its been untouched for some time ... It is a PHP/MySQL site. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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292 views

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php - Why MySQLi prepared statements?

What are the advantages of using prepared statements with MySQLi? If the only purpose is to secure the query, isn't ... , execute, close, etc.)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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202 views

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php - How to create and set values for attribute in XML?

How to create and set values for attribute in XML ? I need to set ateam id="101" ? With this I listed my code. ... > </Game> </messsage> </xml> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - Can't use column name "desc" in mysql

INSERT INTO movie (id, title, desc, released, views, featured) VALUES ('', 'title', ' description ', ' ... ) ] running in phpmyadmin sql editor See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php domdocument read element inner text

I'm new to php so please forgive the simple question: How do I extract the text from an element? <span ... ? What is the correct instruction? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.3k views

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php - Get refunded orders and refunded order items details in Woocommerce 3

I see when I look at an order it will show the specific item that was refunded if the whole order wasn't. ... already, I would rather use it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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271 views

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php - Odd behaviour in a switch statement

I'm writing code for a sortable table, where clicking the links in the header change the ORDER BY executed when ... of which I'm not aware? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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226 views

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php - GPG Error Code 2

GPG is always returning 2 at the result. My code is as follows $cmd = "/usr/bin/gpg -a --recipient $to - ... tell me what's wrong. Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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232 views

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php - stripos returns false when special characters is used

I am using the stripos function to check if a string is located inside another string, ignoring any cases. ... . These are Danish characters. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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290 views

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php - Use case for output buffering as the correct solution to "headers already sent"

I see (not just on this site) a lot of question from inexperienced PHP programmers about the infamous " ... is actually the correct solution? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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749 views

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php - PHP5 calculate IPv6 range from cidr prefix?

I am able to do this with IPv4 using code snippets from various online sources. I was wondering if there was ... Thanks to everyone in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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192 views

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php - Regular expression: same character 3 times

I want a regular expression (in php) to this (same character 3 times): aa => false aaa => true baaa => true aaab ... , not only 'a' and 'b'. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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631 views

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php - How can I make sure that PDO's lastInsertId() is not that of another simultaneous insert?

I am doing a signup form with an INSERT SQL query using PDO. After this INSERT, I want to extract the ... table? Should I use transactions? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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372 views

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php - Chrome has "Failed to load PDF document" error message on inline PDFs

I have a problem with reading pdf file in Chrome by using PHP. The following code is how I do in PHP $path ... what the problem is? Thank you. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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347 views

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php - What is the equivalent of bind_result on PDO

I'm converting to PDO and Im using prepared statements, I want to bind my result as so $stmt->bind_result($email_count); ... database!'; } } ?> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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146 views

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php - DOM Error - ID 'someAnchor' already defined in Entity, line X

If I try to load an HTML document into PHP DOM I get an error along the lines ... ->loadDOMObjAndWriteOut($stringWithAnchorButOnlyIdAtt); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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288 views

1 answer

php - Detect if uploaded file is too large

This is my upload form: <form action="uploads.php" method="post" enctype="multipart/form-data"> <input name="fileupload ... "]=> int(352361) } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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299 views

1 answer

php - get filename of extended class

Let's say I have two files, each one has a class. How can I get the filename where the child class is, ... or whatever class is the child } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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192 views

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php - Only Variables can be passed by reference error

An error occurred in script '/usr/local/apache2/htdocs/read.php' on line 197: Only variables should be passed by ... me in the right direction? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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798 views

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php - How to get id from URL in codeigniter?

I am trying to get 'id' from URL in order to delete that specific selected product. I have used $this-> ... load->view('delete_confirmation'); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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234 views

1 answer

php - Is there a limitation to the length of the query in mysql?

I am asking this question because I need to know this limitation as I am generating SELECT query in my ... could contain many items. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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234 views

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php - in foreach, isLastItem() exists?

Using a regular for loop, it's possible to comapred the current index with the last to tell if I'm in the ... it to the length of the $array? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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176 views

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php - Get a subset of an array based on an array of keys

I wrote this function to get a subset of an array. Does php have a built in function for this. I can't ... $array[$key]; } return $result; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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