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$callback = function ($value) {
return (is_numeric($value)) ? $value * 2 : 0;
};
$result = with(5, $callback);
// 10
$result = with(null, $callback);
// 0
$result = with(5, null);
// 5
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Create a helpers.php file in your app folder and load it up with composer:
"autoload": {
"classmap": [
],
"psr-4": {
"App\\": "app/"
},
"files": [
"app/helpers.php" // <---- ADD THIS
]
},
After adding that to your composer.json file, run the following command:
composer dump-autoload
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use Illuminate\Support\Arr;
$array = Arr::add(['name' => 'Desk'], 'price', 100);
// ['name' => 'Desk', 'price' => 100]
$array = Arr::add(['name' => 'Desk', 'price' => null], 'price', 100);
// ['name' => 'Desk', 'price' => 100]
Note the "Help" command sees the first comment block in a function
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# This is a single line comment
# {
This is a
multiline comment
# }