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This article introduces the relevant knowledge of "how to understand thinkphp letter function". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

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/ * * get template file format resources: / / module @ theme / controller / operation * @ param string $template template resource address * @ param string $layer view layer (directory) name * @ return string * / T ($template='',$layer='')

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/ * * getting input parameters supports filtering and default values * usage: * * I ('id',0); get id parameters to automatically judge get or post * I (' post.name','','htmlspecialchars'); get $_ POST ['name'] * I (' get.') Get the name of the $_ GET * * @ param string $name variable to support the specified type * @ param mixed $default when the default value * @ param mixed $filter parameter filtering method * @ param mixed $datas extra data source * @ return mixed * / I ($name,$default='',$filter=null,$datas=null)

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/ * * set and obtain statistics * usage: * * N ('db',1); / / record the number of database operations * N (' read',1); / / record the number of reads * echo N ('db'); / / get all the operations of the current page database * echo N (' read') / / get the number of times the current page is read * * @ param string $key identification location * @ param integer $step step value * @ param boolean $save whether to save the result * @ return mixed * / N ($key, $step=0,$save=false)

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/ * instantiate model class format [resource: / /] [module /] model * @ param string $name resource address * @ param string $layer model layer name * @ return Think\ Model * / D ($name='',$layer='')

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/ * * instantiating a Model * @ param string $name Model name without a model file supports specifying the underlying model such as the MongoModel:User * @ param string $tablePrefix table prefix * @ param mixed $connection database connection information * @ return Think\ Model * / M ($name='', $tablePrefix='',$connection='')

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/ * instantiate multilayer controller format: [resource: / /] [module /] controller * @ param string $name resource address * @ param string $layer control layer name * @ param integer $level controller hierarchy * @ return Think\ Controller | false * / A ($name,$layer='' $level=0) 7, / * remote call controller operation method URL parameter format [resource: / /] [module /] controller / operation * @ param string $url call address * @ param string | array $vars call parameter support string and array * @ param string $layer control layer name to be called * @ return mixed * / R ($url,$vars=array (), $layer='')

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/ * * URL assembly supports different URL patterns * @ param string $url URL expressions in the format:'[module / controller / operation # anchor @ domain name]? Parameter 1 = value 1 & parameter 2 = value 2.. values * @ param string | the parameter passed in array $vars. The array and string * @ param string | boolean $suffix pseudo-static suffix are supported. The default value is true, which indicates whether the configuration value * @ param boolean $domain displays the domain name * @ return string*/ U ($url='',$vars='',$suffix=true,$domain=false). Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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