PHP Function List

Sorry, but the function key_exists is not in the online manual. Perhaps you misspelled it, or it is a relatively new function that hasn't made it into the online documentation yet. The following are the 20 functions which seem to be closest in spelling to key_exists (really good matches are in bold). Perhaps you were looking for one of these:

array_key_exists
file_exists
property_exists
dba_exists
method_exists
class_exists
interface_exists

msg_queue_exists
yp_next
exit
function_exists
yaz_hits
yp_first
socket_listen

ming_keypress
dba_key_split
socket_get_status
read_exif_data
enchant_broker_dict_exists
yaz_es

If you want to search the entire PHP website for the string "key_exists", then click here.

For a quick overview over all documented PHP functions, click here.