As we all know PHP stands for “PHP Hypertext Preprocessor” which was initially called as “Personal Home Page” designed by Rasmus Lerdorf. From last few years it has penetrated in the market like a Virus. There are various debates done on PHP as compared to other scripting languages like ASP.net, etc..
Convert Local UNIX Timestamp to GMT This function converts local unix timestamp to GMT time format. It accepts local unix timestamp as input parameter. This is very simple function made using php time and date functions.
Array Index Set This function lets you determine whether an array index is set and whether it has a value. It takes array item, array and default value as parameters. If the element is empty it returns FALSE or whatever you specify as the default value.