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Convert SVG image to PNG with PHP
... and I was thinking I should write a tutorial... Here is how to do it with PHP/Imagick, which uses ImageMagick:
$usmap = '/path/to/blank/us-map.svg';
$im = new Imagick();
$svg = file_get_contents($usmap);
/*loop to color each state as needed, something like*/
$idColorArray = array(
"AL" =>...
what is faster: in_array or isset? [closed]
... {
$v = rand(1, 1000000);
$a[$v] = $v;
}
echo "Size: ", count($a), PHP_EOL;
$start = microtime( true );
for ($i = 0; $i < 10000; ++$i) {
isset($a[rand(1, 1000000)]);
}
$total_time = microtime( true ) - $start;
echo "Total time: ", number_format($total_time, 6), PHP_EOL;
$start = m...
RadioButton单选按钮扩展集合 · App Inventor 2 中文网
...见应用场景
故障排除
常见问题
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RadioButton单选按钮扩展
本页面收录了多个RadioButton（单选按钮）扩展，为App Inventor应用提供了单选按钮功能。...
PHP Redirect with POST data
... snippet on how you can achieve that:
<form id="myForm" action="Page_C.php" method="post">
<?php
foreach ($_POST as $a => $b) {
echo '<input type="hidden" name="'.htmlentities($a).'" value="'.htmlentities($b).'">';
}
?>
</form>
<script type="text/javasc...
How can you integrate a custom file browser/uploader with CKEditor?
...r which file was selected:
window.opener.CKEDITOR.tools.callFunction(<?php echo $callback; ?>,url)
Where "url" is the URL of the file they picked. An optional third parameter can be text that you want displayed in a standard alert dialog, such as "illegal file" or something. Set url to an e...
Can I get CONST's defined on a PHP class?
... are doing this a lot you may want to looking at caching the result.
<?php
class Profile {
const LABEL_FIRST_NAME = "First Name";
const LABEL_LAST_NAME = "Last Name";
const LABEL_COMPANY_NAME = "Company";
}
$refl = new ReflectionClass('Profile');
print_r($refl->getConstants());
...
What's the difference between echo, print, and print_r in PHP?
...en debugging
No return value
var_export()
Outputs a human-readable and PHP-executable representation of any one value
Accepts not just strings but other types including arrays and objects, formatting them to be readable
Uses a different output format to both print_r() and var_dump() - resulting ...
Setting up a deployment / build / CI cycle for PHP projects
I am a lone developer most of my time, working on a number of big, mainly PHP-based projects. I want to professionalize and automate how changes to the code base are handled, and create a Continuous Integration process that makes the transition to work in a team possible without having to make funda...
Why check both isset() and !empty()
... @karim IMO empty is one of the most misunderstood functions in PHP. The tiny snippet about "no warning is generated" is very easy to overlook. I had to scan the documentation myself a few times to spot it to post it here.
– deceze♦
Dec 30 '10 at 4...
Multiple file upload in php
...me[]"
Input element must have multiple="multiple" or just multiple
In your PHP file use the syntax "$_FILES['inputName']['param'][index]"
Make sure to look for empty file names and paths, the array might contain empty strings. Use array_filter() before count.
Here is a down and dirty example (sho...