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<?php class A{ public function sum($num1, $num2){ return $num1 + $num2; } } class B { public $property; public function __construct($object) { $this->property = $object; } } $obj = new A(); $test = new B($obj); echo $test->property->sum(1,2); // output 3 // another: trait A { public function sum($num1, $num2){ return $num1 + $num2; } } class B { use A; } $test = new B(); echo $test->sum(2,3); // output 5
Output for 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, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
3 Fatal error: Cannot declare trait A, because the name is already in use in /in/U8M8T on line 21
Process exited with code 255.
Output for 8.3.5
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 3 Fatal error: Cannot declare trait A, because the name is already in use in /in/U8M8T on line 21
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
3 Fatal error: Cannot redeclare class A in /in/U8M8T on line 21
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/U8M8T on line 21
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/U8M8T on line 21
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/U8M8T 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/U8M8T 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/U8M8T on line 3
Process exited with code 255.
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