PHP code example of aegisora / is-callable-rule

1. Go to this page and download the library: Download aegisora/is-callable-rule library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

aegisora / is-callable-rule example snippets


function () {}
static function () {}
'trim'
[$object, 'method']
[SomeClass::class, 'method']


null
true
123
'not_existing_function'
new stdClass()


use Aegisora\Rules\IsCallableRule;
use Aegisora\RuleContract\Models\Context;

$result = IsCallableRule::create()->validate(
    Context::create(function () {
        return true;
    })
);

if ($result->isValid()) {
    // value is callable
} else {
    // value is not callable
}


use Aegisora\Rules\IsCallableRule;
use Aegisora\RuleContract\Models\Context;

$result = IsCallableRule::create()->validate(
    Context::create('not-callable')
);

if ($result->isValid()) {
    // will not happen
} else {
    // validation failed
}


IsCallableRule::create();


is_callable($value)


$value instanceof Closure