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Classkit> <property_exists
[edit] Last updated: Wed, 22 May 2013

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trait_exists

(Bir sürüm bilgisi bulunamadı; sadece SVN'de olabilir.)

trait_existsChecks if the trait exists

Açıklama

bool trait_exists ( string $traitname [, bool $autoload ] )

Değiştirgeler

traitname

Name of the trait to check

autoload

Whether to autoload if not already loaded.

Dönen Değerler

Returns TRUE if trait exists, FALSE if not, NULL in case of an error.



add a note add a note User Contributed Notes trait_exists - [1 notes]
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0
mr dot ryansilalahi at gmail dot com
8 days ago
<?php

trait common
{
   
    function
shout(){
        return
'hello world!';
    }
}

class
a{
    use
common;
}

class
b{
    use
common;
}
if(
trait_exists('common')) {
        echo (new
a())->shout();
}
if(
trait_exists('common')) {
        echo (new
b())->shout();
}

 
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