PHP: Simple script to detect Germany ip address
PHP: Simple script to detect Germany ip address Example 1: Result: Example 2: Result: Note: image copyright: blog.gostorm.net
Tag: snippet
PHP: convert binary to text string
The PHP’s core offers some function to convert data between binary, decimal, hexadecimal and etc. But how to convert from binary to text, we offer…
PHP: convert string to binary
Tool online: Convert string to binary online The PHP’s core offers some function to convert data between binary, decimal, hexadecimal and etc. But how to…
PHP: ActionScript Array.slice method
In ActionScript, to slice an array, we use Array.slice method: Returns a new array that consists of a range of elements from the original array,…
PHP function to parse BMP header
Read first: BMP file structure analysis by PHP Example 1: 5-5-5 16-bit Result: Example 2: 5-6-5 16-bit Result: Example 3: 4-4-4 16-bit Result:
PHP: How to check if a Polygon is self-intersect?
How to check if a Polygon is self-intersect? Example 1: Result: bool(false) Example 2: Result: bool(true)
PHP function: mb_ucfirst
Currently on PHP does not have a multibyte (UTF-8) version of ucfirst function. I wrote some multibyte mb_ucfirst function: You must call these functions before:…
PHP: How to determine the center of a Polygon
How to determine the center of a Polygon. Read first: PHP: How to calculate signed area of a Polygon Method 1: Result: array(2) { [0]=>…
PHP: How to check if polygon is concave or convex?
How to check if polygon is concave or convex? Note: It is assumed that the polygon is simple (does not intersect itself or have holes)…
PHP: How to check if the vertices of polygon are in clockwise or counter-clockwise order?
How to check if the vertices of polygon are in clockwise or counter-clockwise order? There are many of method to check this. We offer some…