PHP: how to fix error: A non-numeric value encountered
Example: to parse youtube duration format to seconds, we use this method: This method work well with PHP5, but i use PHP7 i get error:…
Tag: PHP
How to create own helper functions in Laravel
Let’s create a Helpers directory under app and create a Helper.php file. These is an example: If you are using a class and its methods…
Linux, PHP: How to install php_gmp module
Step 1: install php-gmp Now you can see file gmp.so and 20-gmp.ini Step 2 (optinal if not exists file /etc/php.d/20-gmp.ini): restart PHP-FPM now you can…
PHP: How to check if a remote file exists
Main method is read header file, so, you can read 2 article first: PHP: How to get size of a remote file PHP: How to…
Function apache_request_headers on Nginx
Function apache_request_headers supports only on Apache, how to use it on Nginx. Here is the solution:
PHP: Example of usage CURLOPT_WRITEFUNCTION
CURLOPT_WRITEFUNCTION: A callback accepting two parameters. The first is the cURL resource, and the second is a string with the data to be written. The…
PHP: Example of usage CURLOPT_HEADERFUNCTION
If you set option CURLINFO_HEADER_OUT to true, you can get request header with function curl_getinfo (see example 2) CURLOPT_HEADERFUNCTION: A callback accepting two parameters. The…
RC4 implementation in PHP and Javascript
In cryptography, RC4 (Rivest Cipher 4 also known as ARC4 or ARCFOUR meaning Alleged RC4, see below) is a stream cipher. We provide some function…
PHP function ord of unicode character
PHP have function ord to find ASCII value of character. But PHP don’t support a function to find this value of unicode character. Now, we…
Edge detection with PHP
We do some example with this image : http://static.asiawebdirect.com/m/bangkok/portals/vietnam/homepage/hanoi/pagePropertiesImage/hanoi-guide.jpg Method 1: Online demo: Method 2: Use imagefilter: Online demo: Method 3: Online demo: Method 4:…