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PHP Control Structures (Loop)

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

0
01234567891011121314...infinitely
1234567891011121314...infinitely
1

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

0
error
infinite loop
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";

hellolength
error
5
hi

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$user = array("Ashley", "Bale", "Shrek", "Blank");
for ($x=0; $x < count($user) - 1; $x++) {
if ($user[$x++] == "Shrek")
continue;
printf ($user[$x]);
}

BaleBlank
AshleyBaleBlank
Bale
AshleyShrek

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

10
no output
error
infinite loop

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for (1; $i == 1; $i = 2)
print "In for loop ";
print "After loopn";

In for loopAfter for loop
After for loop
Infinite loop
In for loop

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