Passing Array Variables using POST or GET with PHP
A convenient way to pass a single or multidimensional (possible utf-8) array is to serialize it ("convert it to a string") and pass it using a hidden input. After post…
Preventing JS or CSS Caching on Web Applications
It is very important for dynamic web applications, any js and css changes to become available to user (without need to refresh - reload browser page). Instead of <script type="text/javascript"…
Find all occurrences of a substring in a string with PHP
PHP stripos (or mb-stripos) finds the position of the first occurrence of a (case-insensitive) substring in a string. How to find all occurrences? Here is a solution: <?php /** *…
A Workaround for mysqldump Error 1449
Trying to dump mysql databases (especially after mysql 5.1), it is possible to get the error mysqldump: Got error: 1449: The user specified as a definer ('root'@'%') does not exist…
How to Escape JSON Special Characters using PHP
JSON is a data format (possible the most) suitable for use with javascript, especially on ajax operations. Some characters in strings have to be escaped, otherwise json cannot be parsed and an error will…
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