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function date_iso_year in Date 5

4 calls to date_iso_year()
date_iso2array in ./date.inc
date_iso2unix in ./date.inc
date_is_valid in ./date.inc
Functions to test the validity of various date parts
date_text2iso in ./date.inc
Use stringtotime function to create an iso date out of text

File

./date.inc, line 1475
Date/time API functions

Code

function date_iso_year($iso) {
  return (int) substr($iso, 0, 4);
}