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PHP Control Structures (Loop)

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

no output
infinite loop
0
error

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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";

hellolength
5
hi
error

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for(++$i; ++$i; ++$i) {
print $i;
if ($i == 4)
break;
}

134
1
24
1234

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

no output
infinite loop
10
error

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

error
no output
hihello
hi

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for ($count = 0; $count < 3;$count++); {
print "hi";
continue;
print "hello";
}

hihihi
hellohellohello
hihellohihellohihello
hi

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