function outdatedbrowser_valid_hexadecimal_string in Outdated Browser 7

Checks, if a hexadecimal CSS color string is valid.

2 calls to outdatedbrowser_valid_hexadecimal_string()

outdatedbrowser_element_validate_colour in ./outdatedbrowser.admin.inc

Element validation callback: validate hexadecimal colour code.

outdatedbrowser_variable_validate_colour in ./outdatedbrowser.variable.inc

Validate hexadecimal colour code.

File

./outdatedbrowser.module, line 162

Outdated Browser module file.

Code

function outdatedbrowser_valid_hexadecimal_string($color) {
  return preg_match('/^#([a-f0-9]{3}){1,2}$/iD', $color);
}