Comparisons of $x with PHP functions Expression gettype() empty() is_null() isset() boolean : if($x) $x = “”; string TRUE FALSE TRUE FALSE $x = null; NULL TRUE TRUE FALSE FALSE var $x; NULL TRUE TRUE FALSE FALSE $x is undefined NULL TRUE TRUE FALSE FALSE $x = array(); array TRUE FALSE TRUE FALSE $x = array(‘a’, ‘b’); array FALSE FALSE […]
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Quick Mask Mode can be used as a standalone tool, or it can also be used as a complementary tool with other selection tools inside photoshop. A quick mask option in photoshop allows us to select certain portions of the image with the help of the brush tool. Before using it, you have to press […]
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One of the important concepts in photoshop is to remove background in photoshop from an image. The process is actually quite simple if the image has a single solid color as its background but it becomes a mess sometimes if the image contains the background of multiple colors. So now if we want to remove […]
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