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PHP Control Structures (Loop)

PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$a = array("hi", "hello", "bye");
foreach ($a as $value) {
if (count($a) == 2)
print $value;
}

hihello
infinite loop
no output
hihellobye

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$i = 0;
while(?++$i || --$i) {
print $i;
}

1
1234567891011121314...infinitely
01234567891011121314...infinitely
0

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
if (print "hi" - 1)
print "hello"

error
hi
hihello
no output

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$a = "a";
if ($a)
print "all";
else
print "some";

all
no output
some
error

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$a = 10;
if (0)
print "all";
if
else
print "some"

no output
error
some
all

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$x = 1;
if ($x = $x& 0)
print $x;
else
break;

1
no output
0
error

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