Quand est apparue cette méthode ?
depuis Laravel < v5.1
Description
La méthode collapse() peut, par exemple, inverser le résultat de la méthode chunk .
Exemples
Il y a 1 exemple pour cette collection
Exemple #1 : On 'chunk' et on 'collapse' la collection languages :D
Collection utilisée
Cliquez sur chaque collection pour voir son code, ou cliquez sur le bouton 'Voir toutes les
collections' pour toutes les ouvrir en une fois.
// define languages collection
$this->languages = collect([
'php',
'python',
'javascript',
'go',
'c#',
'java',
'cobol',
'basic'
]);
Illuminate\Support\Collection {#413 ▼
#items: array:8 [▼
0 => "php"
1 => "python"
2 => "javascript"
3 => "go"
4 => "c#"
5 => "java"
6 => "cobol"
7 => "basic"
]
}
Code source
$languages = collect([
"php",
"python",
"javascript",
"go",
"c#",
"java",
"cobol",
"basic"
]);
$chunked_languages = $languages->chunk(3);
echo "<h2>CHUNKED</h2>" . PHP_EOL;
print_r($chunked_languages);
$collapse_languages = $chunked_languages->collapse();
echo "<h2>COLLAPSED</h2>" . PHP_EOL;
print_r($collapse_languages);
Résultat
CHUNKED
Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[0] => Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[0] => php
[1] => python
[2] => javascript
)
[escapeWhenCastingToString:protected] =>
)
[1] => Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[3] => go
[4] => c#
[5] => java
)
[escapeWhenCastingToString:protected] =>
)
[2] => Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[6] => cobol
[7] => basic
)
[escapeWhenCastingToString:protected] =>
)
)
[escapeWhenCastingToString:protected] =>
)
COLLAPSED
Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[0] => php
[1] => python
[2] => javascript
[3] => go
[4] => c#
[5] => java
[6] => cobol
[7] => basic
)
[escapeWhenCastingToString:protected] =>
)