<?php
class C implements JsonSerializable {
var $a = 'lol';
var $b = 'fa';
public function jsonSerialize() {
$aux = clone($this);
unset($aux->a);
return $aux;
}
}
echo json_serialize(new C());
Deprecated: Return type of C::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/P0Rf3 on line 7
Fatal error: Uncaught Error: Call to undefined function json_serialize() in /in/P0Rf3:13
Stack trace:
#0 {main}
thrown in /in/P0Rf3 on line 13
Process exited with code 255.
Fatal error: Uncaught Error: Call to undefined function json_serialize() in /in/P0Rf3:13
Stack trace:
#0 {main}
thrown in /in/P0Rf3 on line 13
Process exited with code 255.
Fatal error: Interface 'JsonSerializable' not found in /in/P0Rf3 on line 4
Process exited with code 255.
Output for 5.0.5, 5.1.0 - 5.1.2
Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/P0Rf3 on line 5
Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/P0Rf3 on line 6
Fatal error: Interface 'JsonSerializable' not found in /in/P0Rf3 on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/P0Rf3 on line 5
Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/P0Rf3 on line 6
Fatal error: Class 'JsonSerializable' not found in /in/P0Rf3 on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/P0Rf3 on line 4
Process exited with code 255.