String Functions

ascii_safe_name
base64_decode
base64_encode
contains
filter
first
join
json_consume_space
json_encode
map
nibble
print
strpos
str_ends_with
str_starts_with
substr
split
split_http_headers
split_kv
split_space
split_utf8
replace
regex_match
regex_search
regex_search_all
regex_replace
regex_split
to_lower
to_upper
trim
float_val
int_val
html_escape
safe_name
var_dump
json_decode