<?php
class Connection {}
class Singleton{
static public function get_instance(){
static $i;
$i ?: $i = new Connection();
return $i;
}
}
class A extends Singleton{}
class B extends A{}
var_dump(A::get_instance());
var_dump(B::get_instance());
var_dump(A::get_instance());
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
object(Connection)#1 (0) {
}
object(Connection)#1 (0) {
}
object(Connection)#1 (0) {
}
Parse error: syntax error, unexpected ':' in /in/sgiJ7 on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':' in /in/sgiJ7 on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/sgiJ7 on line 5
Process exited with code 255.
Parse error: parse error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/sgiJ7 on line 5
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/sgiJ7 on line 5
Process exited with code 255.