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Sort array of objects by object fields
...gt;name, $b->name);
}
usort($your_data, "cmp");
You can also use any callable as the 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, arr...
How to remove duplicate values from a multi-dimensional array in PHP
How can I remove duplicate values from a multi-dimensional array in PHP?
19 Answers
19...
py2exe - generate single executable file
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PyInstaller will create a single .exe file with no dependencies; use the --onefile option. It does this by packing all the needed shared libs into the executable, and unpacking them before it runs, just as you describe (EDIT: py2ex...
Abstract classes in Swift Language
... importantly, notice that there is no dynamic dispatch. When logSalary is called on the instance that is stored as a SoftwareEngineer it calls the overridden version of the method. When logSalary is called on the instance after it has been cast to an Employee, it calls the original implementation (i...
致PHP路上的“年轻人” - PHP - 清泛IT社区，为创新赋能！
今晚在公司，又与一位刚做PHP工作一年的朋友聊了甚久。他与他们有一样的问题，比较迷茫。而我当年也有他们的困惑。虽然自己也还年轻，但作为一个阶段告以段落的“过来人”，还是想写点东西给“年轻人”。关于如何成长...
jQuery.parseJSON throws “Invalid JSON” error due to escaped single quote in JSON
...hine diagram on the JSON website, only escaped double-quote characters are allowed, not single-quotes. Single quote characters do not need to be escaped:
Update - More information for those that are interested:
Douglas Crockford does not specifically say why the JSON specification does not al...
What is the difference between self::$bar and static::$bar in PHP?
...keyword. In this case, your Foo class defines a protected static property called $bar. When you use self in the Foo class to refer to the property, you're referencing the same class.
Therefore if you tried to use self::$bar elsewhere in your Foo class but you had a Bar class with a different value ...
PHP - How to check if a string contains a specific text [duplicate]
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Use the strpos function: http://php.net/manual/en/function.strpos.php
$haystack = "foo bar baz";
$needle = "bar";
if( strpos( $haystack, $needle ) !== false) {
echo "\"bar\" exists in the haystack variable";
}
In your case:
if( strpos( $a, 'some ...
Get current URL with jQuery?
...Do new C#/Java programmers understand pointers? No. Do they need to? Not really, newer abstractions are powerful enough for it not to matter..
– flesh
Jan 11 '11 at 22:10
201
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Print newline in PHP in single quotes
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That's not the right reasoning. It's no because in PHP you can not express a new-line character in single quotes. And that's it. Reading the manual could have helped :)
– hakre
May 21 '13 at 9:35
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