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Is there a wikipedia API just for retrieve content summary?

...ow's intro in plain text: Using page title: https://en.wikipedia.org/w/api.php?format=json&action=query&prop=extracts&exintro&explaintext&redirects=1&titles=Stack%20Overflow or use pageids https://en.wikipedia.org/w/api.php?format=json&action=query&prop=extracts&e...
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Difference between “!==” and “==!” [closed]

Yesterday I stumbled over this when I modified PHP code written by someone else. I was baffled that a simple comparison ( if ($var ==! " ") ) didn't work as expected. After some testing I realized that whoever wrote that code used ==! instead of !== as comparison operator. I've never seen ==! ...
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Cannot pass null argument when using type hinting

... PHP 7.1 or newer (released 2nd December 2016) You can explicitly declare a variable to be null with this syntax function foo(?Type $t) { } this will result in $this->foo(new Type()); // ok $this->foo(null); // ok $...
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When and why I should use session_regenerate_id()?

Why and when should I use the session_regenerate_id() function in php? Should I always use it after I use the session_start() ? I've read that I have to use it to prevent session fixation, is this the only reason? ...
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How to add column if not exists on PostgreSQL?

...lumn_name> <column_type>; EXCEPTION WHEN duplicate_column THEN RAISE NOTICE 'column <column_name> already exists in <table_name>.'; END; END; $$ You can't pass these as parameters, you'll need to do variable substitution in the string on the clie...
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Returning first x items from array

... 6); array_splice($input, 5); // $input is now array(1, 2, 3, 4, 5) From PHP manual: array array_splice ( array &$input , int $offset [, int $length = 0 [, mixed $replacement]]) If length is omitted, removes everything from offset to the end of the array. If length is specified and is posit...
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PHP foreach loop key value

....new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f1834703%2fphp-foreach-loop-key-value%23new-answer', 'question_page'); } ); Post as a guest ...
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Show a PDF files in users browser via PHP/Perl

... <?php header('Content-type: application/pdf'); header('Content-Disposition: inline; filename="the.pdf"'); readfile('/dir/to/the.pdf'); ?> – dimassony Jan 13 '11 at 13:10 ...
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MySQL, Check if a column exists in a table with SQL

...his works well for me. SHOW COLUMNS FROM `table` LIKE 'fieldname'; With PHP it would be something like... $result = mysql_query("SHOW COLUMNS FROM `table` LIKE 'fieldname'"); $exists = (mysql_num_rows($result))?TRUE:FALSE; ...
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Uncaught SyntaxError: Unexpected token :

... And how do I fix this? I have a php redirect that is causing this in Chrome. – Works for a Living Mar 8 '16 at 20:20 7 ...