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closure_043.phpt
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Tue May 29 12:34:36 2012 UTC (12 years, 9 months ago) by
misho
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CVS tags:
v5_4_3elwix,
v5_4_29p0,
v5_4_29,
v5_4_20p0,
v5_4_20,
v5_4_17p0,
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php 5.4.3+patches
--TEST--
Closure 043: Scope/bounding combination invariants; static closures
--FILE--
<?php
/* Whether it's scoped or not, a static closure cannot have
* a bound instance. It should also not be automatically converted
* to a non-static instance when attempting to bind one */
$staticUnscoped = static function () { var_dump(isset(A::$priv)); var_dump(isset($this)); };
class A {
private static $priv = 7;
static function getStaticClosure() {
return static function() { var_dump(isset(A::$priv)); var_dump(isset($this)); };
}
}
$staticScoped = A::getStaticClosure();
echo "Before binding", "\n";
$staticUnscoped(); echo "\n";
$staticScoped(); echo "\n";
echo "After binding, null scope, no instance", "\n";
$d = $staticUnscoped->bindTo(null, null); $d(); echo "\n";
$d = $staticScoped->bindTo(null, null); $d(); echo "\n";
echo "After binding, null scope, with instance", "\n";
$d = $staticUnscoped->bindTo(new A, null); $d(); echo "\n";
$d = $staticScoped->bindTo(new A, null); $d(); echo "\n";
echo "After binding, with scope, no instance", "\n";
$d = $staticUnscoped->bindTo(null, 'A'); $d(); echo "\n";
$d = $staticScoped->bindTo(null, 'A'); $d(); echo "\n";
echo "After binding, with scope, with instance", "\n";
$d = $staticUnscoped->bindTo(new A, 'A'); $d(); echo "\n";
$d = $staticScoped->bindTo(new A, 'A'); $d(); echo "\n";
echo "Done.\n";
--EXPECTF--
Before binding
bool(false)
bool(false)
bool(true)
bool(false)
After binding, null scope, no instance
bool(false)
bool(false)
bool(false)
bool(false)
After binding, null scope, with instance
Warning: Cannot bind an instance to a static closure in %s on line %d
bool(false)
bool(false)
Warning: Cannot bind an instance to a static closure in %s on line %d
bool(false)
bool(false)
After binding, with scope, no instance
bool(true)
bool(false)
bool(true)
bool(false)
After binding, with scope, with instance
Warning: Cannot bind an instance to a static closure in %s on line %d
bool(true)
bool(false)
Warning: Cannot bind an instance to a static closure in %s on line %d
bool(true)
bool(false)
Done.
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