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Bugs & Features
<?php class Test implements Countable { public $prop1; private $propa=2; protected $propx=3; public $prop4 = array(1,2,3,4); public function Greet() { return 'hello world'; } public function getCount() { $res = (array) $this; return count($res); } public function count() { echo 'Trying to get the count ...'; return $this->getCount(); } } // per manual: ArrayObject constructed from array means all properties are public. $t = new Test; echo $t->Greet(),"\n"; echo count( (array) $t),"\n"; echo $t->getCount(),"\n"; echo count($t),"\n"; var_dump( get_object_vars($t) ); $a = (array) $t; echo count($ao = new ArrayObject($a)),"\n"; echo $ao->count(); echo is_countable($ao);
Output for 7.0.0 - 7.1.0
hello world 4 4 Trying to get the count ...4 array(2) { ["prop1"]=> NULL ["prop4"]=> array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) } } 4 4 Fatal error: Uncaught Error: Call to undefined function is_countable() in /in/Hft2j:33 Stack trace: #0 {main} thrown in /in/Hft2j on line 33
Process exited with code 255.
Output for 5.1.0 - 5.6.28
hello world 4 4 Trying to get the count ...4 array(2) { ["prop1"]=> NULL ["prop4"]=> array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) } } 4 4 Fatal error: Call to undefined function is_countable() in /in/Hft2j on line 33
Process exited with code 255.
Output for 5.0.5
Fatal error: Interface 'Countable' not found in /in/Hft2j on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'Countable' not found in /in/Hft2j on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/Hft2j on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting '{' in /in/Hft2j on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/Hft2j on line 2
Process exited with code 255.