Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Counts all elements in an array or in a Countable object
Alias sizeof
<?php count(Countable|array $value, int $mode = COUNT_NORMAL): int
<?php         $index = \array_search($listener, $this->signals[$signal], true);

        unset($this->signals[$signal][$index]);



        if (isset($this->signals[$signal]) && \count($this->signals[$signal]) === 0) {

            unset($this->signals[$signal]);

        }

    }
<?php             return 0;

        }



        return \count($this->signals[$signal]);

    }



    public function isEmpty()
<?php     public function isEmpty()

    {

        return \count($this->timers) === 0;

    }



    public function tick()