大约有 40,000 项符合查询结果（耗时：0.0428秒） [XML]
Sort array of objects by object fields
... second argument. Here are some examples:
Using anonymous functions (from PHP 5.3)
usort($your_data, function($a, $b) {return strcmp($a->name, $b->name);});
From inside a class
usort($your_data, array($this, "cmp")); // "cmp" should be a method in the class
Using arrow functions (from...
Chain-calling parent initialisers in python [duplicate]
...ar though. Python is strong-dynamic. Something like Java is strong-static. PHP is weak-dynamic. Static typing guarantees (within some limits at least) that input parameters are the correct type. Strong typing means that the compiler/runtime will not attempt to coerce the value of one type to another...
How can I output leading zeros in Ruby?
...but similar formating functions are available in perl, ruby, python, java, php, etc.
share
|
improve this answer
|
follow
|
...
Grabbing the href attribute of an A element
...t;getElementsByTagName('a') as $node) {
echo $dom->saveHtml($node), PHP_EOL;
}
The above would find and output the "outerHTML" of all A elements in the $html string.
To get all the text values of the node, you do
echo $node->nodeValue;
To check if the href attribute exists you can ...
PHP case-insensitive in_array function
...
Or use array_change_key_case() secure.php.net/manual/en/function.array-change-key-case.php
– boctulus
Jan 16 '19 at 20:39
add a comment
...
Hidden features of mod_rewrite
...directories
RewriteCond %{REQUEST_FILENAME} !-d
# map requests to index.php and append as a query string
RewriteRule ^(.*)$ index.php?query=$1
Since Apache 2.2.16 you can also use FallbackResource.
Handling 301/302 redirects:
RewriteEngine on
# 302 Temporary Redirect (302 is the default, but ...
Deleting all files from a folder using PHP?
...ed `Temp' and I wanted to delete or flush all files from this folder using PHP. Could I do this?
17 Answers
...
MySQL OPTIMIZE all tables?
...n any SQL IDE connected to your database.
Notice: this code WON'T work on phpmyadmin.
How it works
It runs a show tables statement and stores it in a prepared statement. Then it runs a optimize table in the selected set.
You can control which tables to optimize by setting a different value in th...
Convert timestamp to readable date/time PHP
...
Use PHP's date() function.
Example:
echo date('m/d/Y', 1299446702);
share
|
improve this answer
|
fo...
Remove non-numeric characters (except periods and commas) from a string
...
see also php function money_function() ( php.net/manual/en/function.money-format.php )
– horatio
Feb 9 '11 at 19:28
...