property_exists
<?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();
}
trait_exists
(No version information available, might only be in SVN)
trait_exists — Checks if the trait exists
Description
bool trait_exists
( string
$traitname
[, bool $autoload
] )
Parameters
-
traitname -
Name of the trait to check
-
autoload -
Whether to autoload if not already loaded.
Return Values
Returns TRUE if trait exists, FALSE if not, NULL in case of an error.
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User Contributed Notes
trait_exists - [1 notes]
mr dot ryansilalahi at gmail dot com ¶
5 days ago