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run code in 300+ PHP versions simultaneously

@ 2013-11-21T11:06:54Z

<?php
  trait tSB_FormFieldObject {
  }
interface iSB_FormFieldObject {
}
class SB_FormFieldObject 
implements iSB_FormFieldObject {
    use tSB_FormFieldObject;
    public $Test2 = "aa";
}
function test($a=null) {
    echo "trait: " .($a instanceof tSB_FormFieldObject) . PHP_EOL;
    echo "interface: " .($a instanceof iSB_FormFieldObject) . PHP_EOL;
    echo "using: " .(is_using($a, "tSB_FormFieldObject")) . PHP_EOL;
    echo "instanceof: " .(is_instance_of($a, "SB_FormFiedldObject")) . PHP_EOL;
}
function is_using($class, $trait) {
    return in_array($trait, (new ReflectionClass($class))->getTraitNames());
}
  function is_instance_of($sub, $super) {
    $sub = is_object($sub) ? get_class($sub) : (string)$sub;
    $super = is_object($super) ? get_class($super) : (string)$super;

    switch(true) {
        case $sub === $super; // well ... conformity
        case is_subclass_of($sub, $super):
        case in_array($super, class_implements($sub)):
            return true;
        default:
            return false;
    }
  }

$a = new SB_FormFieldObject();
test($a);
?>

Output for 8.5.0: Deprecated: Case statements followed by a semicolon (;) are deprecated, use a colon (:) instead in /in/gdJOE on line 25 trait: interface: 1 using: 1 instanceof:
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14: trait: interface: 1 using: 1 instanceof:
Output for 5.3.4 - 5.3.29: Parse error: syntax error, unexpected T_STRING in /in/gdJOE on line 2
Process exited with code 255.

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