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@ character before a function call

What is the difference between these two function calls in PHP? 5 Answers 5 ...
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Is there a pretty print for PHP?

... If you install the XDebug extension, the var_dump becomes an even prettier printer. – Alan Storm Jul 22 '09 at 20:56 ...
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PHP array: count or sizeof?

To find the number of elements in a PHP $array , which is faster/better/stronger? 7 Answers ...
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Regex select all text between tags

...means "OR". +? Plus character states to select one or more of the above - order does not matter. Question mark changes the default behavior from 'greedy' to 'ungreedy'. (?=(</pre>)) Selection have to be appended by the </pre> tag Depending on your use case you might need to add some...
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PHP prepend leading zero before single digit number, on-the-fly [duplicate]

PHP - Is there a quick, on-the-fly method to test for a single character string, then prepend a leading zero? 3 Answers ...
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Origin is not allowed by Access-Control-Allow-Origin

... of the responding server is to add a response header for: Access-Control-Allow-Origin: * This will allow cross-domain Ajax. In PHP, you'll want to modify the response like so: <?php header('Access-Control-Allow-Origin: *'); ?> You can just put the Header set Access-Control-Allow-Origin ...
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Laravel Check If Related Model Exists

...hp 7.2+ you can't use count on the relation object, so there's no one-fits-all method for all relations. Use query method instead as @tremby provided below: $model->relation()->exists() generic solution working on all the relation types (pre php 7.2): if (count($model->relation)) { ...
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String.Join method that ignores empty strings?

...S tempT WHERE RPT_SearchTerm IS NOT NULL ORDER BY RPT_Sort FOR XML PATH(N''), TYPE ).value('.', 'nvarchar(MAX)') ,1 ,3 ,N'' ) ,N'' ) AS RPT_SearchTerms ...
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PHP page redirect [duplicate]

Can PHP make a redirect call after executing a function? I am creating a function on the completion of which I want it to redirect to a file located in the same root folder. Can it be done? ...
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Is there a naming convention for MySQL?

... @rsb2097 Re: point 5 - After adding one column (to the end) the order could become invalid. You shouldn't add any constraint that requires re-ordering the columns as that's an unnecessary overhead. – Will Sheppard Aug 21 '18 at 10:26 ...