PHP Echo char variable mistake [closed]

PHP Echo char variable mistake [closed]

References

Reference NO 1

http://stackoverflow.com/questions/15202679/php-echo-char-variable-mistake

Reference NO 2

http://php.net/manual/en/language.operators.errorcontrol.php

Reference NO 3

http://php.net/manual/en/language.types.string.php

Reference NO 4

http://php.net/manual/en/function.floatval.php

Reference NO 5

http://www.w3schools.com/php/php_variables.asp

Reference NO 6

http://www.w3schools.com/php/func_string_str_replace.asp

Reference NO 7

http://coursesweb.net/php-mysql/common-php-errors-solution_t

Reference NO 8

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