testing for the type

  • ctype_alnum()
  • is_numeric()
  • is_finite()
  • is_infinite()
  • is_nan()
  • gettype()
  • is_int()
  • is_integer()
  • is_long()
  • is_double()
  • is_float()
  • is_real()
  • is_bool()
  • is_null()
  • is_string()
  • is_array()
  • is_object()
  • is_resource()

Validate Numeric Variables

Finds whether a variable is a number (or a numeric string). This string would result in a TRUE.


Example of usage:

if ( strlen($cost) > 0 and !is_numeric($cost)) {$isAnomaly = true; }

About samehramzylabib

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This entry was posted in Coding, PHP Data Value Types, PHP Form Processing and tagged , . Bookmark the permalink.


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