大约有 31,000 项符合查询结果（耗时：0.0173秒） [XML]
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
$...
Delete directory with files in it?
...ainly useful for explode()ing a path taken from the OS. alanhogan.com/tips/php/directory-separator-not-necessary
– ReactiveRaven
Jul 16 '12 at 23:47
...
Returning first x items from array
... 6);
array_splice($input, 5); // $input is now array(1, 2, 3, 4, 5)
From PHP manual:
array array_splice ( array &$input , int $offset [, int $length = 0 [, mixed $replacement]])
If length is omitted, removes everything from offset to the end of the array. If length is specified and is posit...
Remove all files except some from a directory
...
rm !(textfile.txt|backup.tar.gz|script.php|database.sql|info.txt)
The extglob (Extended Pattern Matching) needs to be enabled in BASH (if it's not enabled):
shopt -s extglob
share
...
Explode PHP string by new line
...tioned in the comment to the first answer, the best practice is to use the PHP constant PHP_EOL which represents the current system's EOL (End Of Line).
$skuList = explode(PHP_EOL, $_POST['skuList']);
PHP provides a lot of other very useful constants that you can use to make your code system inde...
How do I make an asynchronous GET request in PHP?
...use error but in my case resulted in request not being processed by called php script.
– user3285954
Jun 20 '15 at 22:35
...
linux svn搭建配置及svn命令详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...2、往版本库中添加新的文件
svn add file
例如：svn add test.php(添加test.php)
svn add *.php(添加当前目录下所有的php文件)
3、将改动的文件提交到版本库
svn commit -m “LogMessage“ [-N] [--no-unlock] PATH(如果选择了保持锁，就使用–no-unloc...
Does file_get_contents() have a timeout setting?
... link may take more than 15 minutes to process. Now, I worry about whether PHP's file_get_contents() has a timeout period?
...
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
...
Sending a JSON to server and retrieving a JSON in return, without JQuery
... }
};
xhr.send();
Handling data in JSON format on the server-side using PHP
<?php
// Handling data in JSON format on the server-side using PHP
//
header("Content-Type: application/json");
// build a PHP variable from JSON sent using POST method
$v = json_decode(stripslashes(file_get_contents(...