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4b821f0fc6
Move all rebinding checks into one function to make sure they stay in sync. Normalize return value to be NULL for all rebinding failures, instead of returning an improperly bound closure in some cases.
75 lines
1.9 KiB
PHP
75 lines
1.9 KiB
PHP
--TEST--
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Closure 043: Scope/bounding combination invariants; static closures
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--FILE--
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<?php
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/* Whether it's scoped or not, a static closure cannot have
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* a bound instance. It should also not be automatically converted
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* to a non-static instance when attempting to bind one */
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$staticUnscoped = static function () { var_dump(isset(A::$priv)); var_dump(isset($this)); };
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class A {
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private static $priv = 7;
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static function getStaticClosure() {
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return static function() { var_dump(isset(A::$priv)); var_dump(isset($this)); };
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}
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}
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$staticScoped = A::getStaticClosure();
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echo "Before binding", "\n";
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$staticUnscoped(); echo "\n";
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$staticScoped(); echo "\n";
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echo "After binding, null scope, no instance", "\n";
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$d = $staticUnscoped->bindTo(null, null); $d(); echo "\n";
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$d = $staticScoped->bindTo(null, null); $d(); echo "\n";
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echo "After binding, null scope, with instance", "\n";
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$d = $staticUnscoped->bindTo(new A, null);
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$d = $staticScoped->bindTo(new A, null);
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echo "After binding, with scope, no instance", "\n";
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$d = $staticUnscoped->bindTo(null, 'A'); $d(); echo "\n";
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$d = $staticScoped->bindTo(null, 'A'); $d(); echo "\n";
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echo "After binding, with scope, with instance", "\n";
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$d = $staticUnscoped->bindTo(new A, 'A');
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$d = $staticScoped->bindTo(new A, 'A');
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echo "Done.\n";
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--EXPECTF--
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Before binding
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bool(false)
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bool(false)
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bool(true)
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bool(false)
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After binding, null scope, no instance
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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After binding, null scope, with instance
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Warning: Cannot bind an instance to a static closure in %s on line %d
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Warning: Cannot bind an instance to a static closure in %s on line %d
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After binding, with scope, no instance
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bool(true)
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bool(false)
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bool(true)
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bool(false)
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After binding, with scope, with instance
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Warning: Cannot bind an instance to a static closure in %s on line %d
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Warning: Cannot bind an instance to a static closure in %s on line %d
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Done.
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