大约有 47,000 项符合查询结果（耗时：0.0455秒） [XML]
Measuring the distance between two coordinates in PHP
...- http://www.codexworld.com/distance-between-two-addresses-google-maps-api-php/
$latitudeFrom = '22.574864';
$longitudeFrom = '88.437915';
$latitudeTo = '22.568662';
$longitudeTo = '88.431918';
//Calculate distance from latitude and longitude
$theta = $longitudeFrom - $longitudeTo;
$dist = sin(de...
刘强东：一家公司特别针对我们时 他已经恐惧了 - 资讯 - 清泛网 - 专注C/C+...
...淘宝京东两者商业模式竞争最后的结局是什么，只是时间问题。
我们见刘强东的当天晚上，京东公布了2015财年第三季度财报。这是公司上市以来，刘强东第6次向资本市场上交成绩单。考虑到双十一刚刚过去，这份财报就显得...
In PHP with PDO, how to check the final SQL parametrized query? [duplicate]
In PHP, when accessing MySQL database with PDO with parametrized query, how can you check the final query (after having replaced all tokens)?
...
Show a PDF files in users browser via PHP/Perl
...
<?php header('Content-type: application/pdf'); header('Content-Disposition: inline; filename="the.pdf"'); readfile('/dir/to/the.pdf'); ?>
– dimassony
Jan 13 '11 at 13:10
...
How to delete a file via PHP?
How do I delete a file from my server with PHP if the file is in another directory?
6 Answers
...
Cannot pass null argument when using type hinting
...
PHP 7.1 or newer (released 2nd December 2016)
You can explicitly declare a variable to be null with this syntax
function foo(?Type $t) {
}
this will result in
$this->foo(new Type()); // ok
$this->foo(null); // ok
$...
PHP: How to remove specific element from an array?
...lse) {
unset($array[$key]);
}
array_search returns false (null until PHP 4.2.0) if no item has been found.
And if there can be multiple items with the same value, you can use array_keys to get the keys to all items:
foreach (array_keys($array, 'strawberry') as $key) {
unset($array[$key])...
JSON Naming Convention (snake_case, camelCase or PascalCase) [closed]
...mponents.
Programming language for generating JSON
Python - snake_case
PHP - snake_case
Java - camelCase
JavaScript - camelCase
JSON itself has no standard naming of keys
Programming language for parsing JSON
Python - snake_case
PHP - snake_case
Java - camelCase
JavaScript - camelCase
Mix-...
What is 'YTowOnt9'?
Our (PHP) framework sometimes renders hidden inputs with value YTowOnt9 . I can't find that string anywhere in the (huge) codebase, and can't figure out where it came from. I decided to Google for that particular string, and the result surprised me. Over half a million - kind of random - hits. I ...
Manipulate a url string by adding GET parameters
...
Basic method
$query = parse_url($url, PHP_URL_QUERY);
// Returns a string if the URL has parameters or NULL if not
if ($query) {
$url .= '&category=1';
} else {
$url .= '?category=1';
}
More advanced
$url = 'http://example.com/search?keyword=test&...