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PHP Control Structures (Loop)

PHP Control Structures (Loop)
What will be the output of the following PHP code ?
if (print "0")
print "hi";
else
print "how are u";

how are u
0how are u
hi
0hi

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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";

hi
how are u
no output
error

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$x;
if ($x == 0)
print "hi";
else
print "how are u";
print "hello"

hihello
hi
no output
how are uhello

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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;

0
1
3
2

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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
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
no output
infinite loop

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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;

12345678910….19
12345678910….1920
19
20

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