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PHP Sort a multidimensional array by element containing date
...compare")), so that usort() knows it's a class function/method. See also: php.net/manual/en/…
– Ferdinand Beyer
May 26 '10 at 16:26
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How do you debug PHP scripts? [closed]
How do you debug PHP scripts?
30 Answers
30
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How to destroy an object?
...It will stay there, however if you unset the object and your script pushes PHP to the memory limits the objects not needed will be garbage collected. I would go with unset() (as opposed to setting it to null) as it seems to have better performance (not tested but documented on one of the comments fr...
Tactics for using PHP in a high-load site
... (sigh) an alien that has just landed on the planet, albeit one that knows PHP and a few optimisation techniques.
23 Answer...
JavaScript URL Decode function
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Here is a complete function (taken from PHPJS):
function urldecode(str) {
return decodeURIComponent((str+'').replace(/\+/g, '%20'));
}
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How to get a variable name as a string in PHP?
Say i have this PHP code:
24 Answers
24
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PDO Prepared Inserts multiple rows in single query
...ame answer as Mr. Balagtas, slightly clearer...
Recent versions MySQL and PHP PDO do support multi-row INSERT statements.
SQL Overview
The SQL will look something like this, assuming a 3-column table you'd like to INSERT to.
INSERT INTO tbl_name
(colA, colB, colC)
VALUES (?, ?, ...
How to Flatten a Multidimensional Array?
Is it possible, in PHP, to flatten a (bi/multi)dimensional array without using recursion or references?
29 Answers
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How do I Sort a Multidimensional Array in PHP [duplicate]
...s[$key] = $row[0];
}
array_multisort($dates, SORT_DESC, $mdarray);
For PHP >= 5.5.0 just extract the column to sort by. No need for the loop:
array_multisort(array_column($mdarray, 0), SORT_DESC, $mdarray);
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How do I convert a PDF document to a preview image in PHP? [closed]
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You need ImageMagick and GhostScript
<?php
$im = new imagick('file.pdf[0]');
$im->setImageFormat('jpg');
header('Content-Type: image/jpeg');
echo $im;
?>
The [0] means page 1.
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