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<?php class CountMe implements Countable { private $_count; public function __construct($fixedCount) { $this->_count = $fixedCount; } public function count() { return $this->_count; } } $fourtytwo = new CountMe(42); $zero = new CountMe(0); var_dump( count($fourtytwo), count($fourtytwo)==0, empty($fourtytwo), $fourtytwo == array(), $fourtytwo === array() ); print str_repeat('-', 42)."\n"; var_dump( count($zero), count($zero)==0, empty($zero), $zero == array(), $zero === array() );
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of CountMe::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/JqcaY on line 12 int(42) bool(false) bool(false) bool(false) bool(false) ------------------------------------------ int(0) bool(true) bool(false) bool(false) bool(false)

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