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PHP Control Structures (Loop)

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

no output
hihellohi
hihi
hi

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$a = 2;
if ($a-- - --$a - $a)
print "hello";
else
print "hi";

no output
hello
hi
error

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for ($i = 0; -5 ; $i++) {
print"i";
if ($i == 3)
break;
}

error
0 1 2 3 4
0 1 2 3 4 5
0 1 2 3

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$x;
for ($x = -3; $x < -5; ++$x) {
print ++$x;
}

-3-4-5
infinite loop
no output
-3-4

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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;
$count++;
}

123…….20
13579…21
Infinite
1357…19

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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";

some
no output
all
error

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