Parse error, unexpected T_STRING, expecting ',' or ';'

In PHP, a common problem that may arise while creating a PHP file is the parse error T_String. This happens when a programmer (or a code literate person) inserts an apostrophe in a series of codes already being limited by apostrophes. Having several apostrophes in a same command creates a huge conflict within the PHP document and the program will have huge problems in reading the codes that have been written.

Example 1

<?
echo 'we don't know';
?>

How to solve the problem

The above example can be solved simply by telling the program where to ignore the apostrophe, by inserting a slash before the apostrophe that is not being used as a command. Hence, the code above will be written as:

<?
echo 'we don\t know';
?>

Example 2

The Parse Error can also arise if the programmer has forgotten to insert the ; symbol at the end of the command.
<?

echo 'we \"don't\" know'
?>

Note: PHP is a simple program that asks for much attention. You should not have any problem with it if you pay enough attention to the logical flow of the program.