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Derek Snider edited this page May 19, 2026 · 1 revision

php:: Namespace

36 PHP-style string and array functions. String functions modify in place. Array functions use the array type (mixed-type storage via MadValue).

See also: Namespaces Overview | Other namespaces

String Functions

Function Description Example
trim(str) Strip whitespace from both ends php::trim(s)
ltrim(str) Strip whitespace from left php::ltrim(s)
rtrim(str) Strip whitespace from right php::rtrim(s)
chop(str) Alias for rtrim php::chop(s)
ucfirst(str) Capitalize first character php::ucfirst(s)
lcfirst(str) Lowercase first character php::lcfirst(s)
str_repeat(str, n) Repeat string n times php::str_repeat(s, 3)
str_replace(search, replace, subject) Replace all occurrences php::str_replace(old, new, s)
str_pad(str, length, pad_str) Pad string to length php::str_pad(s, 20, ".")
str_word_count(str) Count words n = php::str_word_count(s)
nl2br(str) Convert newlines to <br> php::nl2br(s)
str_rot13(str) ROT13 encoding php::str_rot13(s)
chunk_split(str, len, sep) Insert separator every N chars php::chunk_split(s, 4, "-")
number_format(result, number, sep) Format with thousands separator php::number_format(s, 1234567, ",")
wordwrap(str, width, break) Wrap text at width php::wordwrap(s, 72, "\n")

Array Functions

Function Description Example
explode(arr, delim, str) Split string into array php::explode(a, ",", csv)
implode(result, glue, arr) Join array into string php::implode(s, ",", a)
count(arr) Number of elements n = php::count(a)
array_push(arr, str) Append string php::array_push(a, "val")
array_push_int(arr, int) Append integer php::array_push_int(a, 42)
array_pop(result, arr) Remove + return last element php::array_pop(s, a)
array_get(result, arr, index) Get element as string php::array_get(s, a, 0)
array_get_int(arr, index) Get element as int n = php::array_get_int(a, 0)
array_shift(result, arr) Remove + return first element php::array_shift(s, a)
array_unshift(arr, str) Prepend element php::array_unshift(a, "first")
array_reverse(arr) Reverse in place php::array_reverse(a)
array_unique(arr) Remove duplicates php::array_unique(a)
array_search(needle, arr) Find index (-1 if missing) i = php::array_search(s, a)
array_slice(dest, src, off, len) Extract sub-array php::array_slice(b, a, 1, 3)
array_merge(dest, src) Append src to dest php::array_merge(a, b)
in_array(needle, arr) Check if value exists if ( php::in_array(s, a) )
sort(arr) Sort ascending php::sort(a)
rsort(arr) Sort descending php::rsort(a)

Example

#include <iostream>

int main()
{
    string csv = "alice,bob,charlie";
    string delim = ",";
    array names;

    php::explode(names, delim, csv);
    php::sort(names);

    string joined;
    string pipe = " | ";
    php::implode(joined, pipe, names);
    cout << joined << endl;  // alice | bob | charlie

    return 0;
}

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