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PHP + MySQL transactions examples
I really haven't found normal example of PHP file where MySQL transactions are being used. Can you show me simple example of that?
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PHP multidimensional array search by value
... or just use == instead ===.
Based on angoru answer. In later versions of PHP (>= 5.5.0) you can use one-liner.
$key = array_search('100', array_column($userdb, 'uid'));
Here is documentation: http://php.net/manual/en/function.array-column.php.
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What is the function __construct used for?
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__construct was introduced in PHP5 and it is the right way to define your, well, constructors (in PHP4 you used the name of the class for a constructor).
You are not required to define a constructor in your class, but if you wish to pass any parameters on...
PHP array_filter with arguments
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I am not a php savy, so maybe this is an obvious question, but how can you pass in an array to array_filter and still make it work? the documentation never talks about this, except for someone's comment.
– Nicola P...
How do I convert a string to a number in PHP?
...Script we can use Number() , but is there any similar method available in PHP?
30 Answers
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How do I get a PHP class constructor to call its parent's parent's constructor?
I need to have a class constructor in PHP call its parent's parent's (grandparent?) constructor without calling the parent constructor.
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The first day of the current month in php using date_modify as DateTime object
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Requires PHP 5.3 to work ("first day of" is introduced in PHP 5.3). Otherwise the example above is the only way to do it:
<?php
// First day of this month
$d = new DateTime('first day of this month');
echo $d->forma...
Array to String PHP?
What is the best method for converting a PHP array into a string?
I have the variable $type which is an array of types.
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AJAX POST and Plus Sign ( + ) — How to Encode?
I'm POSTing the contents of a form field via AJAX to a PHP script and using JavaScript to escape(field_contents) . The problem is that any plus signs are being stripped out and replaced by spaces. How can I safely 'encode' the plus sign and then appropriately 'decode' it on the PHP side?
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deny direct access to a folder and file by htaccess
...way you cannot open any file from that folder, but you can include them in php without any problems.
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