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PHP Control Structures (Loop)

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";

hi
error
hellolength
5

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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
1
0
3

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for ($x =1; $x < 10;++$x) {
print "*t";
}

**********
infinite loop
*********
***********

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

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

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for ($x = 0; $x <= 10; print ++$x) {
print ++$x;
}

123456789101112
12345678910
1234567891011
infinite loop

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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;
}

1
24
134
1234

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