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Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?
The following PHP code snippet uses GD to resize a browser-uploaded PNG to 128x128. It works great, except that the transparent areas in the original image are being replaced with a solid color- black in my case.
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防挂马：apache禁止访问文件或目录执行权限、禁止运行脚本PHP文件的设置方...
...挂马：apache禁止访问文件或目录执行权限、禁止运行脚本PHP文件的设置方法我们来看俩段通常对上传目录设置无权限的列子,配置如下:代码如下:<Directory " var www upload"><FilesMatch " PHP">Order Allow,DenyDe 我们来看俩段通常对上传目录设...
Passing a 2D array to a C++ function
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What about passing dynamically allocated arrays to functions in C++? In C11 standard it can be done for statically and dynamically allocated arrays like that fn(int col,int row, int array[col][row]): stackoverflow.com/questions/16004668/… I have made the...
What's the deal with a leading underscore in PHP class methods?
While looking over various PHP libraries I've noticed that a lot of people choose to prefix some class methods with a single underscore, such as
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PHP substring extraction. Get the string before the first '/' or the whole string
I am trying to extract a substring. I need some help with doing it in PHP.
15 Answers
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How to convert an NSTimeInterval (seconds) into minutes
...Calendar currentCalendar];
// Create the NSDates
NSDate *date1 = [[NSDate alloc] init];
NSDate *date2 = [[NSDate alloc] initWithTimeInterval:theTimeInterval sinceDate:date1];
// Get conversion to months, days, hours, minutes
unsigned int unitFlags = NSHourCalendarUnit | NSMinuteCalendarUnit | NSD...
How to sort an array of associative arrays by value of a given key in PHP?
... = $row['price'];
}
array_multisort($price, SORT_DESC, $inventory);
As of PHP 5.5.0 you can use array_column() instead of that foreach:
$price = array_column($inventory, 'price');
array_multisort($price, SORT_DESC, $inventory);
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PHP script to loop through all of the files in a directory?
I'm looking for a PHP script that loops through all of the files in a directory so I can do things with the filename, such as format, print or add it to a link. I'd like to be able to sort the files by name, type or by date created/added/modified. (Think fancy directory "index".) I'd also like to be...
Adding days to $Date in PHP
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All you have to do is use days instead of day like this:
<?php
$Date = "2010-09-17";
echo date('Y-m-d', strtotime($Date. ' + 1 days'));
echo date('Y-m-d', strtotime($Date. ' + 2 days'));
?>
And it outputs correctly:
2010-09-18
2010-09-19
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PHP Difference between array() and []
I'm writing a PHP app and I want to make sure it will work with no errors.
5 Answers
5...