Php built-in supported labels and attributes, php built-in label attributes

Php built-in supported labels and attributes, php built-in label attributes

The built-in supported labels and attributes are listed as follows:

Tag Name	Function	Include attributes
Include	Contains external template files (closed)	File
Import	Import resource files (closed, including js css load aliases)	File, href, type, value, basepath
Volist	Loop array data output	Name, id, offset, length, key, mod
Foreach	Array or object traversal output	Name, item, key
For	For Loop Data Output	Name, from, to, before, step
Switch	Branch judgment output	Name
Case	Branch judgment output (must be used with the switch)	Value, break
Default	Output by default (closed must be used together with switch)	None
Compare	Comparison output (including aliases such as eq neq lt gt egt elt heq nheq)	Name, value, type
Range	Output of range judgment (including in notin between notbetween alias)	Name, value, type
Present	Determine whether to assign a value	Name
Notpresent	Determines if no value is assigned	Name
Empty	Judge whether the data is empty	Name
Notempty	Judge whether the data is not empty	Name
Defined	Determine whether a constant is defined	Name
Notdefined	Determines whether a constant is undefined.	Name
Define	Constant definition (closed)	Name, value
Assign	Variable assignment (closed)	Name, value
If	Conditional judgment output	Condition
Elseif	Conditional judgment output (the closure must be used together with the if tag)	Condition
Else	Conditional output (closed for other tags)	None
Php	Use php code	None

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