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@ 2016-01-21T07:42:34Z

<?php
// Outside of the application, e.g. DB or some storage.
function addSomeIntegerFieldToDB($value)
{
    $sql = 'INSERT INTO mytable (integer_field) VALUES (:int)';
    // $st = $pdo->prepare($sql);
    // $st->execute(array('int' => $value);
    echo "executing query: ".str_replace(':int', $value, $sql)." \n";
}

// the application:

global $conditional;

class X {
        
    public function doSmth($id)
    {
        // Assertion will run independently of $conditional, thus preventing a wrong $id to be passed to ->doSmth() method
        assert(is_int($id), new \InvalidArgumentException('wot ar y doin'));
        
        
        global $conditional;
        if ($conditional) {
            addSomeIntegerFieldToDB($id);
        }
    }
   
    
}

$conditional = true;

$obj = new X;
$obj->doSmth(13);
$obj->doSmth('x');
$obj->doSmth(000001234000);

$conditional = false;

$obj->doSmth(13);
$obj->doSmth('x');
$obj->doSmth(000001234000);

Output for git.master, git.master_jit, rfc.property-hooks: executing query: INSERT INTO mytable (integer_field) VALUES (13) Fatal error: Uncaught InvalidArgumentException: wot ar y doin in /in/1MM8P:20 Stack trace: #0 /in/1MM8P(36): X->doSmth('x') #1 {main} thrown in /in/1MM8P on line 20
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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