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How to check whether a string is Base64 encoded or not

...ror-prone than if non-base64 input typically contains spaces, punctuation, etc. – tripleee Nov 22 '12 at 21:43 ...
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How can I remove 3 characters at the end of a string in php?

How can I remove 3 characters at the end of a string in php? "abcabcabc" would become "abcabc"! 3 Answers ...
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How do I get the last inserted ID of a MySQL table in PHP?

... mysql_(...) is deprecated in PHP >= 5.5 version. – Iago Oct 30 '14 at 2:12 ...
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json_encode() escaping forward slashes

...ur enemy) json_encode($str, JSON_UNESCAPED_SLASHES); If you don't have PHP 5.4 at hand, pick one of the many existing functions and modify them to your needs, e.g. http://snippets.dzone.com/posts/show/7487 (archived copy). Example Demo <?php /* * Escaping the reverse-solidus character ("/"...
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JavaScript isset() equivalent

In PHP you can do if(isset($array['foo'])) { ... } . In JavaScript you often use if(array.foo) { ... } to do the same, but this is not exactly the same statement. The condition will also evaluate to false if array.foo does exists but is false or 0 (and probably other values as well). ...
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使用App Inventor 2 控制物联网设备/低功耗蓝牙设备(BLE) · App Inventor 2 中文网

...接。 因此,我们开发蓝牙 LE 组件是为了解决物联网连接问题。 三. 技术方法 BluetoothLE 组件是 MIT App Inventor 的新颖补充。 如图 4 所示,在 MIT App Inventor 平台上创建时,BLE 组件可以作为移动应用程序的一部分实现。 然后,该...
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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 4 ...
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What is the difference between self::$bar and static::$bar in PHP?

...atic, you're invoking a feature called late static bindings (introduced in PHP 5.3). In the above scenario, using self will result in Foo::$bar(1234). And using static will result in Bar::$bar (4321) because with static, the interpreter takes takes into account the redeclaration within the Bar clas...
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Get value of dynamically chosen class constant in PHP

... $id = constant("ThingIDs::$thing"); http://php.net/manual/en/function.constant.php share | improve this answer | follow | ...
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Get the Query Executed in Laravel 3/4

...equires that you enable the profiler option in application/config/database.php. Alternatively you could, as @dualed mentioned, enable the profiler option, in application/config/application.php or call DB::profile() to get all queries ran in the current request and their execution time. ...