PAL.C.T MINI SHELL
--TEST--
Iterator exceptions in foreach by value
--FILE--
<?php
class IT implements Iterator {
private $n = 0;
private $count = 0;
private $trap = null;
function __construct($count, $trap = null) {
$this->count = $count;
$this->trap = $trap;
}
function trap($trap) {
if ($trap === $this->trap) {
throw new Exception($trap);
}
}
function rewind() {$this->trap(__FUNCTION__); $this->n = 0;}
function valid() {$this->trap(__FUNCTION__); return $this->n < $this->count;}
function key() {$this->trap(__FUNCTION__); return $this->n;}
function current() {$this->trap(__FUNCTION__); return $this->n;}
function next() {$this->trap(__FUNCTION__); $this->n++;}
}
foreach(['rewind', 'valid', 'key', 'current', 'next'] as $trap) {
$obj = new IT(3, $trap);
try {
// IS_CV
foreach ($obj as $key => $val) echo "$val\n";
} catch (Exception $e) {
echo $e->getMessage() . "\n";
}
unset($obj);
try {
// IS_VAR
foreach (new IT(3, $trap) as $key => $val) echo "$val\n";
} catch (Exception $e) {
echo $e->getMessage() . "\n";
}
try {
// IS_TMP_VAR
foreach ((object)new IT(2, $trap) as $key => $val) echo "$val\n";
} catch (Exception $e) {
echo $e->getMessage() . "\n";
}
}
?>
--EXPECT--
rewind
rewind
rewind
valid
valid
valid
key
key
key
current
current
current
0
next
0
next
0
next
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