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PHP - Get key name of array value
...f you're sorting, use asort (asort($arr)). This maintains the key values. php.net/manual/en/function.asort.php
– Rich701
Mar 9 '17 at 16:26
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What is output buffering?
What is output buffering and why is one using it in PHP?
7 Answers
7
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php execute a background process
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Write the process as a server-side script in whatever language (php/bash/perl/etc) is handy and then call it from the process control functions in your php script.
The function probably detects if standard io is used as the output stream and if it is then that will set the return value.....
Saving image from PHP URL
I need to save an image from a PHP URL to my PC.
Let's say I have a page, http://example.com/image.php , holding a single "flower" image, nothing else. How can I save this image from the URL with a new name (using PHP)?
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UTF-8 all the way through
...rs. I wish I were kidding.
Data Access:
In your application code (e.g. PHP), in whatever DB access method you use, you'll need to set the connection charset to utf8mb4. This way, MySQL does no conversion from its native UTF-8 when it hands data off to your application and vice versa.
Some driv...
Reference: Comparing PHP's print and echo
What is the difference between PHP's print and echo ?
1 Answer
1
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Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
... operator to
copy an array by reference.
And the given example :
<?php
$arr1 = array(2, 3);
$arr2 = $arr1;
$arr2[] = 4; // $arr2 is changed,
// $arr1 is still array(2, 3)
$arr3 = &$arr1;
$arr3[] = 4; // now $arr1 and $arr3 are the same
?>
For the first part, the best ...
Creating the Singleton design pattern in PHP5
How would one create a Singleton class using PHP5 classes?
21 Answers
21
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Why does PHP 5.2+ disallow abstract static class methods?
After enabling strict warnings in PHP 5.2, I saw a load of strict standards warnings from a project that was originally written without strict warnings:
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How to get current time in milliseconds in PHP?
...e in seconds since the Unix epoch accurate to the nearest microsecond (see PHP reference). It's actually very easy to test if you run the above code in a loop and display the milliseconds.
– laurent
Dec 18 '12 at 10:08
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