How Many Ways To Include Variables In Double-Quoted Strings In PHP

How Many Ways To Include Variables In Double-Quoted Strings In PHP


  • 12 Dec, 2011

    There are 3 formats to include variables in double-quoted strings:► "part 1 $variable part 2" - This is the simplest format to include a variable in a string. The variable name starts with the dollar sign and ends at the first character that can not be used in variable name. Space is good character to end a variable name.► "part 1${variable}part 2" - This format helps you to clearly end the variable name. The variable name starts at dollar sign before the open brace (${) and ends at the close brace (}).► "part 1{$variable}part 2" - This format is also called complex format. You use this format to specify any complex variable expression in the same way as in a normal statement. The variable expression starts at ({$) followed by a variable name and ends at (}).Here is a PHP script example of different ways to include variables in double-quoted strings:<?php $beer = 'Heineken';echo "$beer's taste is great.";echo "He drank some ${beer}s and water."; echo "She drank some {$beer}s and water."; ?>This script will print:Heineken's taste is great.He drank some Heinekens and water.She drank some Heinekens and water.

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