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How to debug PDO database queries?

Before moving to PDO, I created SQL queries in PHP by concatenating strings. If I got database syntax error, I could just echo the final SQL query string, try it myself on the database, and tweak it until I fixed the error, then put that back into the code. ...
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Get current domain

...ometimes forget which one to use myself - I think this can be nifty. <?php // Change banana.com to the domain you were looking for.. $wordToHighlight = "banana.com"; $serverVarHighlighted = str_replace( $wordToHighlight, '<span style=\'background-color:#883399; color: #FFFFFF;\'&g...
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Twig: in_array or similar possible within if statement?

... If you want to achieve the same as in_array() in PHP, ommit the keys filter – Burgi Feb 8 '12 at 16:05 25 ...
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Correct file permissions for WordPress [closed]

... @ManuelSchneid3r, I see some PHP files under wp-content, are these really supposed to be writable by www-data??? That really sounds totally not secure at all. – Alexis Wilke Aug 30 '16 at 7:35 ...
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Increment value in mysql update query

...lever for someone who knows what PDO is, but for me who's just diving into PHP/MySQL, it doesn't really shine a lot of light into the matter. Does PDO make that code smaller or more elegant? If so, please edit the answer or post one of your own where you show how it's better with PDO. Thanks. ...
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Difference between array_push() and $array[] =

In the PHP manual, ( array_push ) says.. 9 Answers 9 ...
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How to do a Jquery Callback after form submit?

...mit(function() { $.ajax({ type: "POST", url: "form_handler.php", data: $(this).serialize(), success: function() { // callback code here } }) }) }) </script> share ...
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How do I get the base URL with PHP?

... Try this: <?php echo "http://" . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI']; ?> Learn more about the $_SERVER predefined variable. If you plan on using https, you can use this: function url(){ return sprintf( "%s://%s...
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Best way to give a variable a default value (simulate Perl ||, ||= )

... In PHP 7 we finally have a way to do this elegantly. It is called the Null coalescing operator. You can use it like this: $name = $_GET['name'] ?? 'john doe'; This is equivalent to $name = isset($_GET['name']) ? $_GET['name'...
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How to remove the first character of string in PHP?

How to use PHP , Remove the first character : 13 Answers 13 ...