[SOLVED] easy string checking question

[dreamci]

hi i want to ask how to check if there is a letter in the submitted data

i want the data to contain only numbers nothing more and also opposite of this i mean checking if there is a number in the submitted data

can u tell me the code please thanks

[Stephen]

Try using the function

is_numeric("the string");

 

If it's not a string try using:

is_int(number);

 

[DeanWhitehouse]

is_numeric(); is the function to check if the string is numeric, and search the php manual string functions to find one to check for the number in the string.

[dreamci]

thank you guys