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archived-php-src/tests/lang/string/unicode_escape.phpt
Peter Kokot d679f02295 Sync leading and final newlines in *.phpt sections
This patch adds missing newlines, trims multiple redundant final
newlines into a single one, and trims redundant leading newlines in all
*.phpt sections.

According to POSIX, a line is a sequence of zero or more non-' <newline>'
characters plus a terminating '<newline>' character. [1] Files should
normally have at least one final newline character.

C89 [2] and later standards [3] mention a final newline:
"A source file that is not empty shall end in a new-line character,
which shall not be immediately preceded by a backslash character."

Although it is not mandatory for all files to have a final newline
fixed, a more consistent and homogeneous approach brings less of commit
differences issues and a better development experience in certain text
editors and IDEs.

[1] http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_206
[2] https://port70.net/~nsz/c/c89/c89-draft.html#2.1.1.2
[3] https://port70.net/~nsz/c/c99/n1256.html#5.1.1.2
2018-10-15 04:33:09 +02:00

19 lines
489 B
PHP

--TEST--
Valid Unicode escape sequences
--FILE--
<?php
var_dump("\u{61}"); // ASCII "a" - characters below U+007F just encode as ASCII, as it's UTF-8
var_dump("\u{FF}"); // y with diaeresis
var_dump("\u{ff}"); // case-insensitive
var_dump("\u{2603}"); // Unicode snowman
var_dump("\u{1F602}"); // FACE WITH TEARS OF JOY emoji
var_dump("\u{0000001F602}"); // Leading zeroes permitted
--EXPECT--
string(1) "a"
string(2) "ÿ"
string(2) "ÿ"
string(3) ""
string(4) "😂"
string(4) "😂"