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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$color1 = "red";
$color2 = "1";
$color3 = "grey";
echo "$color1" + "$color2" . "$color3";

0
red1grey
1grey
grey

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
$x = $i++;
$y = ++$i;
print $x;
print $y;

21
01
02
12

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PHP Operators and Expressions
What will be the output of the following PHP code ?
print("this"."was"."a"."bad"."idea");

nothing
this was a bad idea
error
thiswasabadidea

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
while ($i = 10) {
print "hi";
}
print "hello";

infinite loop
hello
error
hihello

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 10;
$b = 10;
if ($a = 5)
$b--;
print $a;
print $b--;

108
109
59
58

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$var1 = 3;
print ++$var++;

5
4
3
error

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MORE MCQ ON PHP Operators and Expressions

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