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How can I output a UTF-8 CSV in PHP that Excel will read properly?
...re Office 2016. Newer versions (from Office 365) do now support UTF-8.
In order to output UTF-8 content that Excel both on Windows and OS X will be able to successfully read, you will need to do two things:
Make sure that you convert your UTF-8 CSV text to UTF-16LE
mb_convert_encoding($csv, 'UTF...
How to check that an object is empty in PHP?
How to find if an object is empty or not in PHP.
11 Answers
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Checking if an instance's class implements an interface?
... "Yes!";
}
class_implements() is part of the SPL extension.
See: http://php.net/manual/en/function.class-implements.php
Performance Tests
Some simple performance tests show the costs of each approach:
Given an instance of an object
Object construction outside the loop (100,000 iterations)
_...
Chain-calling parent initialisers in python [duplicate]
... @kracekumar It will be determined by the class' Method Resolution Order (MRO), which you can find out by calling MyClassName.mro(). I may be incorrect, but I believe that the first specified parent is the one whose __init__ will be called.
– Cam Jackson
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How to get all columns' names for all the tables in MySQL?
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select * from information_schema.columns
where table_schema = 'your_db'
order by table_name,ordinal_position
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How to remove part of a string? [closed]
... If one needs regex matching there is also preg_replace() us2.php.net/manual/en/function.preg-replace.php
– Elijah Lynn
Jul 11 '13 at 17:34
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PHP/MySQL insert row then get 'id'
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The PDO equivalent is PDO::lastInsertId (us3.php.net/manual/en/pdo.lastinsertid.php).
– Matthew Flaschen
May 22 '09 at 11:18
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Python append() vs. + operator on lists, why do these give different results?
...st. Specifically, it appends each of the elements of sequence in iteration order.
An aside
Being an operator, + returns the result of the expression as a new value. Being a non-chaining mutator method, list.extend() modifies the subject list in-place and returns nothing.
Arrays
I've added this due t...
Parsing a string into a boolean value in PHP
Today I was playing with PHP, and I discovered that the string values "true" and "false" are not correctly parsed to boolean in a condition, for example considering the following function:
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Sort an Array by keys based on another Array?
...e this? How would you go about writing a function? Here is an example. The order is the most important thing.
15 Answers
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