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PHP Control Structures (Loop)

PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$a = "2";
switch ($a) {
case 1:
print "hi";
case 2:
print "hello";
break;
default:
print "hi1";
}

hi1
hihellohi1
hihi1
hello

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$a = 10;
if (1)
print "all";
else
print "some"
else
print "none";

error
some
none
all

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

2
3
1
0

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

0
infinite loop
error
no output

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

error
hi
5
hellolength

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$i = 0;
while($i = 10) {
print "hi";
}
print "hello";

hihello
error
infinite loop
hello

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