<?php trait tSB_FormFieldObject { } interface iSB_FormFieldObject { } class SB_FormFieldObject implements iSB_FormFieldObject { use tSB_FormFieldObject; public $Test2 = "aa"; } function test($a=null) { echo "trait: " .($a instanceof tSB_FormFieldObject) . PHP_EOL; echo "interface: " .($a instanceof iSB_FormFieldObject) . PHP_EOL; echo "using: " .(is_using($a, "tSB_FormFieldObject")) . PHP_EOL; } function is_using($class, $trait) { return in_array($trait, (new ReflectionClass($class))->getTraitNames()); } $a = new SB_FormFieldObject(); test($a); ?>
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