Comments for PHP MySQL Brain

Comment on PHP array_key_exists – checking a key exist in array by admin

admin — Wed, 21 Sep 2011 14:26:50 +0000

Most of the PHP beginners are unaware about the array_key_exists function. Instead of that they do loop through the array and using if condition . That’s quite bad method on performance wise, because it will consume more time and resources. So always use this function for your key search in an array.

Comment on A Prime Number list generation PHP script by admin

admin — Wed, 18 Aug 2010 13:51:10 +0000

We can use the same logic in this program to check a number is primer number or not .

Comment on Array in PHP tutorial by admin

admin — Wed, 18 Aug 2010 12:38:22 +0000

Arrays are for storing the data temporary only , when we leave the script data in array automatically deleted in the server… That’s why we use database tables for permanent storage of data .

Comment on PHP trim() – Remove whitespace from string by admin

admin — Wed, 11 Aug 2010 12:11:43 +0000

And note this function wont affect the contents in the middle of a string … It will affect only the starting and end of a string … If you want to remove some characters or whitespaces in the middle of string we need to use some other functions …

Comment on File Upload in PHP by admin

admin — Mon, 09 Aug 2010 12:32:44 +0000

Maximum size for the uploading file is limited by php.ini , We can set the limit by editing php.ini

Comment on PHP fwrite() – writing to a file by admin

admin — Sat, 07 Aug 2010 11:50:03 +0000

We can copy another file using fopen ,fread and fwrite. Simply open a file using fopen , and then store the contents of that file to a variable using fread , and then write that variable to another file using fwrite.

Comment on PHP include file by Tuttu

Tuttu — Fri, 06 Aug 2010 06:14:02 +0000

Can we include any type of files ? can I write PHP codes in a .txt file and include that file in another PHP file ?

Comment on elseif statement in PHP by Sari

Sari — Tue, 03 Aug 2010 18:17:48 +0000

Ohh its look like same as other programming. I am a beginner in PHP. Going to start my PHP learning. I like this website. Going to use heavily.

Comment on for in PHP loop programming by Praveen

Praveen — Tue, 03 Aug 2010 18:12:06 +0000

I dont think PHP for statement’s syntax is that much complex.Comparing with our statements it may.Personally I like to prefer for statement in my PHP programming.Its really good have all the required expressions within a single statements itself rather than the use of several other variables and unwanted checking.

Comment on foreach array in PHP programming by Priya

Priya — Tue, 03 Aug 2010 18:08:06 +0000

Good tutorial about foreach statement.I got a clear picture now. Thank You