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What's the difference between isset() and array_key_exists()? [duplicate]
...P function array_key_exists() determines if a particular key, or numerical index, exists for an element of an array. However, if you want to determine if a key exists and is associated with a value, the PHP language construct isset() can tell you that (and that the value is not null). array_key_exis...
How do I log errors and warnings into a file?
...
Simply put these codes at top of your PHP/index file:
error_reporting(E_ALL); // Error/Exception engine, always use E_ALL
ini_set('ignore_repeated_errors', TRUE); // always use TRUE
ini_set('display_errors', FALSE); // Error/Exception display, use FALSE only in pr...
Get current URL path in PHP [duplicate]
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The URI which was given in order to access this page; for instance, '/index.html'.
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How to debug PDO database queries?
...g($sql_string, array $params = null) {
if (!empty($params)) {
$indexed = $params == array_values($params);
foreach($params as $k=>$v) {
if (is_object($v)) {
if ($v instanceof \DateTime) $v = $v->format('Y-m-d H:i:s');
else continu...
Javascript - sort array based on another array
...he sorting array:
result = items.map(function(item) {
var n = sorting.indexOf(item[1]);
sorting[n] = '';
return [n, item]
}).sort().map(function(j) { return j[1] })
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How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
I am trying to add an unique index that gets created from the foreign keys of four associated tables:
9 Answers
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How can I group data with an Angular filter?
...r
(2) Include angular-filter.js (or angular-filter.min.js) in your index.html, after including Angular itself.
(3) Add 'angular.filter' to your main module's list of dependencies.
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Difference between array_map, array_walk and array_filter
...values-directly, unless passed value by reference (array walk might remove indexes/elements as array_filter indirectly via anonymous function use clause passing the original array but it's a workaround). To conclude thus, changing values, nor if a value is returned or passed by reference is of less ...
How can I add additional PHP versions to MAMP
... of the PHP interpreter can be found at http://www.mamp.info/en/ downloads/index.html . Drop this downloaded folder into your /Applications/MAMP/bin/php! directory. Close and re-open your MAMP PRO application. Your new PHP version should now appear in the PHP drop down menu. MAMP PRO will only suppo...
What is the best way to stop people hacking the PHP-based highscore table of a Flash game
...g( AES(random-128-bit-key-from-above, high-score, SHA1(high-score)))
The PHP code on the server checks the token to make sure the request came from a valid game instance, then decrypts the encrypted high score, checking to make sure the high-score matches the SHA1 of the high-score (if you skip th...