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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;
}

infinite loop
no output
hihellobye
hihello

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$i = "";
while($i) {
print "hi";
}
print "hello";

hello
hihello
error
infinite loop

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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;
}

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

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$x = 1;
if ($x == 2)
print "hi";
else if($x = 2)
print $x;
else
print "how are u";

how are u
2
error
hi

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$a = "1";
$a = 1;
$b = 1;
switch($a) {
case $a * $b:
print "hi";
break;
case $a / $b:
print "hello";
break;
default:
print "hi1";
}

hihello
hi
hi1
hihellohi1

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for ($count = 1; $count < 20; $count++);
print $count;

19
12345678910….1920
20
12345678910….19

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