PHP Function List

Sorry, but the function is_numeric%e3%80%82 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 is_numeric%e3%80%82 (really good matches are in bold). Perhaps you were looking for one of these:

is_numeric
is_unicode
isinterface
iis_stop_service
ibase_num_fields
iis_start_service
ibase_name_result

ingres_num_fields
ibase_errcode
ovrimos_num_fields
mb_encode_numericentity
mb_decode_numericentity
is_buffer
imagick_getnumberimages

ifx_num_fields
sca_getservice
msql_numfields
oci_num_fields
xdiff_string_merge3
is_integer

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