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<?php class A { public function __construct() { echo "A"; } public function ccc() { echo "A"; } } class B extends A { public function __construct($a) { echo $a; } public function ccc($a) { echo $a; } } $class = new B("XXXX"); $class->ccc("ssss");
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Declaration of B::ccc($a) must be compatible with A::ccc() in /in/kbnP4 on line 19
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Declaration of B::ccc($a) should be compatible with A::ccc() in /in/kbnP4 on line 19 XXXXssss
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Warning: Declaration of B::ccc($a) should be compatible with A::ccc() in /in/kbnP4 on line 22 XXXXssss
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Strict Standards: Declaration of B::ccc() should be compatible with A::ccc() in /in/kbnP4 on line 22 XXXXssss

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