powerpoint2003 official Download free full version php understanding print EoT delimiter and echo eot usage difference Summary

Source: Internet
Author: User
In HTML and PHP writing, echo can output multiple strings at the same time, without the need for parentheses.
Print can only output one string at a time, requiring parentheses.
Print is used in a very similar way to the C language, so there is a special explanation for the% in the output content.
ECHO has no return value, print () has a return value, and returns Flase when its execution fails, such as a broken wire.
Echo can have multiple parameters, print one parameter. Recommended with Echo.
See the example below to see the print << in PHP

Copy the Code code as follows:


Print <<



$value;

...


EOT;


Meaning:
The <<< operator, which treats the variables between the custom delimiters as strings, can be processed;
EOT a custom delimiter, which must be at the beginning of the line at the end;
Use << on the same page <标记
Tag
Tag;
Note: The tag name is paired, and no more than two tag names appear on the same page;
Another: The end tag name of the pairing tag name should be a single line, not before and after the output characters are allowed ... (such as spaces such as invisible but existing characters ...).
Pros: This allows you to output a large segment of HTML without escaping the quotes inside it or replacing the variable inside with a "."
How to output HTML code in PHP (EOT)
PHP code

Copy code code as follows:


!--? php Echo <<& Lt EOT












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  • EOT;?> detailed source reference: http://www.jb51.net/article/16022. HTM
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