PHP: EAN8 and EAN13 Check Digit calculation
Function ean_checkdigit returns correct check digit for ean-13 and ean-8 barcode standards
PHP: Getting external text data after basic HTTP authentication
A simple function that can retrieve external file into local variable after basic HTTP authentication
PHP: Retrieving content from external website using cURL
get_content function allows us to grab content from external server
PHP: Determine script run time or code execution time
Simple implementation to calculate code execution time
PHP: Loop through string, convert string into array and loop through array
Looping through string and looping through array explained
PHP: Send Unicode emails with sender name and bcc
sendnow makes email sending a charm
PHP: Sort all kinds of arrays
Custom function sortarray sorts uni-dimensional and multi-dimensional array.
PHP: Convert array into unique comma separated string
arraytostr enhance php buit-in implode function
PHP: Convert string to array and make it unique
strtoarray produces array of string and remove duplicates if required
PHP: Getting part of string from left or right
strleft and strright functions return left or right part of string according to length specified

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