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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;
}

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

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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 > 0; $i--)
print $i;
}

no output
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
infinite loop

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$i = 0;
while ($i < 3) {
$i++;
}
print $i;

2
0
3
1

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for ($i = 0;$i = -1;$i = 1) {
print $i;
if ($i != 1)
break;
}

0
-1
infinite loop
1

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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]);
}

AshleyShrek
BaleBlank
Bale
AshleyBaleBlank

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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";

all
error
some
no output

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