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Adds tests concerning arrow functions auto-capturing
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Original file line number | Diff line number | Diff line change |
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--TEST-- | ||
Arrow functions auto-capture variables, by value. | ||
--FILE-- | ||
<?php | ||
|
||
$a = 0; | ||
$fn = fn() { | ||
var_dump(isset($a)); | ||
$a = 1; | ||
var_dump($a); | ||
}; | ||
var_dump($a); | ||
$fn(); | ||
var_dump($a); | ||
|
||
$a = 2; | ||
$fn = fn() { | ||
$a++; | ||
var_dump($a); | ||
}; | ||
var_dump($a); | ||
$fn(); | ||
var_dump($a); | ||
|
||
$a = 3; | ||
$fn = fn() { | ||
if (false) $a = 4; | ||
var_dump($a); | ||
}; | ||
var_dump($a); | ||
$fn(); | ||
var_dump($a); | ||
|
||
$a = 5; | ||
$fn = fn() { | ||
var_dump($a); | ||
if (false) $a = 6; | ||
}; | ||
var_dump($a); | ||
$fn(); | ||
var_dump($a); | ||
|
||
$a = 7; | ||
$fn = fn() { | ||
unset($a); | ||
var_dump(isset($a)); | ||
}; | ||
var_dump($a); | ||
$fn(); | ||
var_dump($a); | ||
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$a = 8; | ||
$fn = fn() { | ||
$a = 9; | ||
unset($a); | ||
var_dump(isset($a)); | ||
}; | ||
var_dump($a); | ||
$fn(); | ||
var_dump($a); | ||
|
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$a = 10; | ||
$fn = fn() { return fn () { var_dump($a); }; }; | ||
var_dump($a); | ||
$fn()(); | ||
var_dump($a); | ||
|
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?> | ||
--EXPECT-- | ||
int(0) | ||
bool(true) | ||
int(1) | ||
int(0) | ||
int(2) | ||
int(3) | ||
int(2) | ||
int(3) | ||
int(3) | ||
int(3) | ||
int(5) | ||
int(5) | ||
int(5) | ||
int(7) | ||
bool(false) | ||
int(7) | ||
int(8) | ||
bool(false) | ||
int(8) | ||
int(10) | ||
int(10) | ||
int(10) |