Posts tagged with php:

Meaning of Default, Preset, Fallback, Callback, Rollback value - differenceWhat is the meaning of Default value, Preset value, Fallback value, Callback value and Rollback value in software development ?

At sign @ or Exclamation mark ! before PHP function - meaningWhat is the meaning of At sign or Exclamation mark situated in front of PHP function ? For example, what will the functions @mail() or !strpos() do ?

Email not received - If PHP mail() returns true, was mail sent ?I would like to ask, if PHP email() returns true, does it mean email was sent ? Beacuse I am not receiving it.

Examples of difference between == and === , != and !== in PHPWhat is the difference between operators double equals and triple equals when they are used in IF condition in PHP ? Could you please provide an examples when are the...

Replace backslashes with PHP str_replace or regex preg_replaceHow can I replace the backslashes in PHP with functions str_replace or regex preg_replace ?

Fatal error: Call to undefined function mysql_query() - PHPOn my new hosting, when I try to get the data from MySQL database with SELECT statement, the following error notification appears: Fatal error: Uncaught Error: Call to...

How to Add / Remove leading zeros before number in PHP ?What is a simple way how to add / remove leading zeros before number in PHP ?

Fix warning: Headers already sent - setcookie error in PHPAfter some modifications on my website, I am receiveing error notification: Warning: Cannot modify header information - headers already sent by (output started at...

Get date of tomorrow, day after, yesterday, day before - PHPHow to get the date of tomorrow and day after, yesterday and day before in standard format ? What PHP function should I use to get these values ?

CSV file export without additional HTML data before and after - PHPWhat should I do to avoid showing additional web page HTML data in CSV file exported in PHP ? Additional data are added before and after the CSV data. What is the best way to...