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<?php class Parcel { protected $weight; protected $destinationCountry; public function setWeight($weight) { echo "the weight is" . $weight; $this->weight = $weight; return $this; } public function setCountry($destinationCountry) { echo "country is " . $destinationCountry; $this->destinationCountry = $destinationCountry; return $this; } } class Courier implements Countable { protected $count = 0; public function ship(Parcel $parcel) { $this->count++; return true; } public function count() { return $this->count; } } $courier = new Courier(); $courier->ship(new Parcel()); $courier->ship(new Parcel()); $courier->ship(new Parcel()); $courier->ship(new Parcel()); echo count($courier);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of Courier::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/S8HIc on line 28 4
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
4
Output for 5.0.5
Fatal error: Interface 'Countable' not found in /in/S8HIc on line 19
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'Countable' not found in /in/S8HIc on line 19
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/S8HIc on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/S8HIc on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/S8HIc on line 3
Process exited with code 255.
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