1.2.711. Missing __isset() Method¶

When using empty() on magic properties, the magic method __isset() must be implemented.

<?php

class foo {
    function __get($name) { return 'foo'; }
    // No __isset method
}

// Return TRUE, until __isset() exists
var_dump(
   empty((new foo)->bar);
);

?>

See also When empty is not empty.

1.2.711.1. Connex PHP features¶

magic-method

isset

1.2.711.1.1. Suggestions¶

Implement __isset() method when using empty on magic properties

1.2.711.1.2. Specs¶

Short name	Php/MissingMagicIsset
Rulesets	All, Analyze, Changed Behavior, Class Review
Exakat since	2.2.0
PHP Version	All
Severity	Minor
Time To Fix	Quick (30 mins)
Precision	Medium
Available in	Entreprise Edition, Exakat Cloud