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select count(*) from table of mysql in php
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@eichertc the php interpreter has the variable always internal, as he needs to have the result in memory one way or the other. So your way just makes the code worser to read and maintain, IMHO.
– Tom
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MySQL复制的概述、安装、故障、技巧、工具 - 数据库(内核) - 清泛网 - 专注...
...主机名作为名字，如此一来一旦主机名发生改变，就会出问题，所以推荐指定log_bin（从服务器的relay_log存在一样的问题）。
注：sync_binlog，innodb_flush_log_at_trx_commit，innodb_support_xa三个选项都是出于安全目的设置的，不是复制的...
Select mySQL based only on month and year
...red statements. In short, use whatever method is recommended these days in PHP, to avoid any SQL injection issues.
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appending array to FormData and send via AJAX
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You have several options:
Convert it to a JSON string, then parse it in PHP (recommended)
JS
var json_arr = JSON.stringify(arr);
PHP
$arr = json_decode($_POST['arr']);
Or use @Curios's method
Sending an array via FormData.
Not recommended: Serialize the data with, then deserialize in PHP
JS
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PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
...fficient - a long long type in GNU C and POSIX/SuS, or sprintf('%u'...) in PHP or the BCmath extension.
What are some potentially breaking use cases even though we're not yet in 2038?
So a MySQL DATETIME has a range of 1000-9999, but TIMESTAMP only has a range of 1970-2038. If your system stores...
jQuery Ajax File Upload
...ed to use the XHR object but could not get results on the server side with PHP.
var formData = new FormData();
formData.append('file', $('#file')[0].files[0]);
$.ajax({
url : 'upload.php',
type : 'POST',
data : formData,
processData: false, // tell jQuery not to proces...
Best way to create an empty object in JSON with PHP?
...ght therefor say that your code is valid and that it's the method to use.
PHP: Objects - Manual
If a value of any other type is converted to an object, a new instance of the stdClass built-in class is created. If the value was NULL, the new instance will be empty.
.. but, try to keep it safe!
Tho...
How to fix getImageData() error The canvas has been tainted by cross-origin data?
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Would it work for you to save a copy of the image to your server using PHP and then just load the new image? For example, you could send the URL to the PHP script and save it to your server, then return the new filename to your javascript like this:
<?php //The name of this file in this exam...
How to remove the first character of string in PHP?
How to use PHP , Remove the first character :
13 Answers
13
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Website screenshots
Is there any way of taking a screenshot of a website in PHP, then saving it to a file?
26 Answers
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