rtrim funktsiyasi

rtrim funktsiyasi satr boshidagi bo'shliqlarni o'chiradi. Ikkinchi parametrda belgilansa, boshqa belgilarni ham o'chirishi mumkin.

Sintaksis

phprtrim(string $string, string $characters = " \t\n\r\0\x0B"): string

Misol

Keling, o'ng tomondagi bo'shliqlarni o'chiramiz:

php<?php
  echo rtrim(' abcde ');
?>

Kodni bajarish natijasi:

php' abcde'

Misol

Keling, o'ng tomondagi chiziqchalarni o'chiramiz:

php<?php
  echo rtrim('/abcde/', '/');
?>

Kodni bajarish natijasi:

php'/abcde'

Misol

Keling, o'ng tomondagi chiziqcha va nuqtalarni o'chiramiz:

php<?php
  echo rtrim('abcde/', '/.');
?>

Kodni bajarish natijasi:

php'abcde'

Misol

Funktsiya chekkada turgan belgilarning har qanday miqdorini o'chiradi:

php<?php
  echo rtrim('abcde/../../', '/.');
?>

Kodni bajarish natijasi:

php'abcde'

Misol

Ikki nuqta '..' yordamida belgilar diapazonini belgilash mumkin. Masalan, 'a' dan 'd' gacha bo'lgan belgilarni o'chirishni belgilaymiz:

php<?php
  echo rtrim('xabcde', 'a..e');
?>

Kodni bajarish natijasi:

php'x'

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