PHP executes external commands with anti-apostrophe, PHP executes external commands
For example:
Echo ' WhoAmI ';
Export the database, the folder to be imported must have writable permission, the content after-u-p must be written next to each other
HTML EntitiesIn HTML, some characters are reserved.The less than sign () cannot be used in HTML because the browser mistakenly considers them to be labels.If you want to display reserved characters correctly, we must use the character entity
Http://www.w3school.com.cn/tags/html_ref_entities.htmlASCII Entity with entity name
Results
Description
Entity name
Entity number
"
Quotation mark
"
& #34;
‘
Original addressIn HTML, some characters are reserved.The less than sign () cannot be used in HTML because the browser mistakenly considers them to be labels.If you want to display reserved characters correctly, we must use the character entity
Html&cssdec 07 2012In HTML, some characters are reserved.The less than sign () cannot be used in HTML because the browser mistakenly considers them to be labels.If you want to display reserved characters correctly, we must use the character entity
In HTML, some characters are reservedThe less than sign () cannot be used in HTML because the browser mistakenly considers them to be labelsIf you want to display reserved characters correctly, we must use the character entity (character entities)
Symbols such as "Some characters have special meanings in HTML, such as the less than sign (The character entity has three parts: a number (&), an entity name, or # and an entity number, and a semicolon (;).To display the less-than sign in the HTML
HTML 4.01 supports the ISO 8859-1 (Latin-1) character set.The lower part of the Iso-8859-1 (code from 1 to 127) is the original 7-bit ASCII.The higher parts of Iso-8859-1 (code from 160 to 255) all have entity names.Most of these symbols can be used
Sometimes when writing articles, the code referenced in the paragraph is interpreted into the original HTML, by using some special characters in the HTML encoding can be returned to the original text, preserving the original format. Character
ISO Latin-1 character set (HTML Object Control)-line feed in flex tooltip-Pm | published by row.ng | 1,084 views
The flex help tells us that HTML entities can be used to use special characters in mxml attributes. However, some characters do not
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