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How do getters and setters work?

I'm from the php world. Could you explain what getters and setters are and could give you some examples? 6 Answers ...
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Why am I seeing an “origin is not allowed by Access-Control-Allow-Origin” error here? [duplicate]

...ot the case you cannot use jsonp and you MUST rely on a server side proxy (PHP, ASP, etc.). There are plenty of guides related to this topic, just google it! share | improve this answer | ...
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How do I get a YouTube video thumbnail from the YouTube API?

If I have a YouTube video URL, is there any way to use PHP and cURL to get the associated thumbnail from the YouTube API? 3...
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How to set HTTP headers (for cache-control)?

... You can set the headers in PHP by using: <?php //set headers to NOT cache a page header("Cache-Control: no-cache, must-revalidate"); //HTTP 1.1 header("Pragma: no-cache"); //HTTP 1.0 header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); // Date...
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How to add default value for html ? [closed]

...me="msg" placeholder="Your message here." onfocus='this.select()'> <?php if (isset($_POST['encode'])) { echo htmlspecialchars($_POST['msg']);} ?> </textarea> In this case, $_POST['encode'] came from this: <input class="input_bottom btn btn-default" type="submit" name="encode" va...
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Difference between var_dump,var_export & print_r

...2] => 42 [3] => Array ([0] => 42) ) var_export prints valid php code. Useful if you calculated some values and want the results as a constant in another script. Note that var_export can not handle reference cycles/recursive arrays, whereas var_dump and print_r check for these. var_exp...
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Stop setInterval

...iv,3000); }); function updateDiv(){ $.ajax({ url: 'getContent.php', success: function(data){ $('.square').html(data); }, error: function(){ clearInterval(interval); // stop the interval $.playSound('oneday.wav'); $(...
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What is the “right” way to iterate through an array in Ruby?

PHP, for all its warts, is pretty good on this count. There's no difference between an array and a hash (maybe I'm naive, but this seems obviously right to me), and to iterate through either you just do ...
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How to convert PascalCase to pascal_case?

... $output = strtolower(preg_replace('/(?<!^)[A-Z]/', '_$0', $input)); PHP Demo | Regex Demo Note that cases like SimpleXML will be converted to simple_x_m_l using the above solution. That can also be considered a wrong usage of camel case notation (correct would be SimpleXml) rather than a b...
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Can a class extend both a class and implement an Interface

Can a class extend both an interface and another class in PHP? Basically I want to do this: 3 Answers ...