PHP For, ForEach, While, Do While loop Using Comments to Prevent Execution. This syntax differs slightly from standard SQL comment syntax, as discussed in Section 1.7.2.4, “'--' as the Start of a Comment”. Microsoft has made another change to Windows Insider program, mainly to rename the existing "rings" system to "channels" model, to … - hachesilva/Comment-Snippets Or, if the comment block appears at the end of the batch file: @ECHO OFF REM Do something • • REM End of code; use GOTO:EOF instead of EXIT for Windows NT and later EXIT Start of comment block at end of batch file This line is comment. Comments in HTML or PHP pages (outside of the PHP code) look like this: