<?php $cars = array("Volvo", "BMW", "Toyota"); echo "My car is a {$cars[0]}"; ?>
<?php $color = "red"; $color = "green"; echo "$color"; ?>
<?php $color1 = "red"; $color2 = "green"; echo "$color1" . "$color2"; ?>
<?php $color1 = "red"; $color2 = "green"; echo "$color1" + "$color2"; ?>
<?php # echo "Hello world"; echo "# Hello world"; ?>
<?php $color1 = "1"; $color2 = "1"; echo "$color1" + "$color2"; ?>
<?php $color1 = "red"; $color2 = "1"; $color3 = "grey" echo "$color1" + "$color2" . "$color3"; ?>
<?php $color1 = "red"; $color2 = "red"; echo "$color1" + "$color2"; ?>
<?php $color1 = "red"; $color2 = "1"; echo "$color1" + "$color2"; ?>
<?php echo "This", "was", "a", "bad", "idea"; ?>
<?php echo "This"."was"."a"."bad"."idea"; ?>
<?php echo "This","was"|"a","bad"."idea"; ?>
<?php echo "echo "Hello World""; ?>
<?php <?php echo "Hello world"; ?> ?>
<?php "Hello World" ?>
<?php print_r "Hello world" ?>
<?php $color = red; echo "$color"; ?>
<?php $color = red; echo "$color" . red ; ?>
<?php $color1 = red; $color2 = green; echo "$color1"."$color2"; ?>
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