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PHP Control Structures (Loop)

PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for ($x = -1; $x < 10;--$x) {
print $x;
}

12345678910
1234567891011
infinite loop
123456789101112

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

error
hihello
infinite loop
hello

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

error
hello
hi
no output

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

error
no output
some
all

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for ($i = 0; $i < 5; $i++) {
for ($j = $i;$j > $i; $i--)
print $i;
}

0 1 2 3 4 5
no output
infinite loop
0 1 0 1 2 0 1 2 3 0 1 2 3 4 0 1 2 3 4 5 0 1 2 3 4 5

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

hihello
hi
no output
error

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