File: generator_with_keys.phpt

package info (click to toggle)
php8.4 8.4.11-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 208,108 kB
  • sloc: ansic: 1,060,628; php: 35,345; sh: 11,866; cpp: 7,201; pascal: 4,913; javascript: 3,091; asm: 2,810; yacc: 2,411; makefile: 689; xml: 446; python: 301; awk: 148
file content (26 lines) | stat: -rw-r--r-- 395 bytes parent folder | download | duplicates (8) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
--TEST--
Generators can also yield keys
--FILE--
<?php

function reverse(array $array) {
    end($array);
    while (null !== $key = key($array)) {
        yield $key => current($array);
        prev($array);
    }
}

$array = [
    'foo' => 'bar',
    'bar' => 'foo',
];

foreach (reverse($array) as $key => $value) {
    echo $key, ' => ', $value, "\n";
}

?>
--EXPECT--
bar => foo
foo => bar