A: Replace PHP stripos() with more readable form and better lang -support. (Is case insensitive) B: Check if given valus is found in array

Return value

Bool

Arguments

$needle string

string Text to search for

array Multiple search texts

$haystack string

string to search from

array List of values to compare against

Full documentation

Note:

Check if needle is in haystack:

if ( isIn('me','memory') ){
    // me was found
}

Multiple needles:

if ( isIn( Array('me','ney') , 'money' ) ){
    // me and/or you was found in money
}

Check if needle is same as one of preceding values:

if ( isIn('name','phone','name') ){
    // name is one of the preceding values
}

Check if needle is in array

if ( isIn('name',Array('phone','name') ){
    // name is a value in array
}