<?php
$phrases = array("Aaa", "abb", "acc", "bbb", "bb2");
$groups = array();
foreach($phrases as $phrase) {
$firstLetter = mb_strtoupper($phrase{0});
$groups[$firstLetter][] = $phrase;
}
print_r($groups);
- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Fatal error: Array and string offset access syntax with curly braces is no longer supported in /in/nHDkH on line 7
Process exited with code 255. - Output for 7.4.0 - 7.4.33
- Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/nHDkH on line 7
Array
(
[A] => Array
(
[0] => Aaa
[1] => abb
[2] => acc
)
[B] => Array
(
[0] => bbb
[1] => bb2
)
)
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
- Array
(
[A] => Array
(
[0] => Aaa
[1] => abb
[2] => acc
)
[B] => Array
(
[0] => bbb
[1] => bb2
)
)
preferences:
302.18 ms | 405 KiB | 400 Q