guerrato

#!/bin/bash
function jsonval {
    temp=`echo $json | sed 's/\\\\\//\//g' | sed 's/[{}]//g' | awk -v k="text" '{n=split($0,a,","); for (i=1; i<=n; i++) print a[i]}' | sed 's/\"\:\"/\|/g' | sed 's/[\,]/ /g' | sed 's/\"//g' | grep -w $prop`
    echo ${temp##*|}
}

json=`curl -s -X GET http://twitter.com/users/show/$1.json`
prop='profile_image_url'
picurl=`jsonval`

guerrato

/**
 * This file contains a PHP code to generate a checksum based in Luhn Algorithm.
 * To learn more about Luhn algorithm: https://en.wikipedia.org/wiki/Luhn_algorithm
 * To validate the generated code: https://www.dcode.fr/luhn-algorithm
 *
 * @param  string  $code
 * @return int
 * 
 * Example: $code = '7992739871'
 *          function returning: 3