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PHP Control Structures (Loop)

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";
}

hi
hi1
hihello
hihellohi1

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$i = 0;
do {
$i++;
}
while ($i < 3);
print $i;

2
0
3
1

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

error
no output
how are u
hi

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

no output
infinite loop
hi
error

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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
some
error
no output

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for(;;) {
print "10";
}

error
10
infinite loop
no output

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