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Examples

Many examples exist within the Reflection documentation, typically within the __construct documentation for each class.

Example #1 Reflection Example from Shell (a Terminal)

$ php --rf strlen $ php --rc finfo $ php --re json $ php --ri dom

The above example will output something similar to:

 Function [ <internal:Core> function strlen ] { - Parameters [1] {  Parameter #0 [ <required> $str ] } } Class [ <internal:fileinfo> class finfo ] { - Constants [0] { } - Static properties [0] { } - Static methods [0] { } - Properties [0] { } - Methods [4] {  Method [ <internal:fileinfo, ctor> public method finfo ] {  - Parameters [2] {   Parameter #0 [ <optional> $options ]   Parameter #1 [ <optional> $arg ]  }  }  Method [ <internal:fileinfo> public method set_flags ] {  - Parameters [1] {   Parameter #0 [ <required> $options ]  }  }  Method [ <internal:fileinfo> public method file ] {  - Parameters [3] {   Parameter #0 [ <required> $filename ]   Parameter #1 [ <optional> $options ]   Parameter #2 [ <optional> $context ]  }  }  Method [ <internal:fileinfo> public method buffer ] {  - Parameters [3] {   Parameter #0 [ <required> $string ]   Parameter #1 [ <optional> $options ]   Parameter #2 [ <optional> $context ]  }  } } } Extension [ <persistent> extension #23 json version 1.2.1 ] { - Constants [10] {  Constant [ integer JSON_HEX_TAG ] { 1 }  Constant [ integer JSON_HEX_AMP ] { 2 }  Constant [ integer JSON_HEX_APOS ] { 4 }  Constant [ integer JSON_HEX_QUOT ] { 8 }  Constant [ integer JSON_FORCE_OBJECT ] { 16 }  Constant [ integer JSON_ERROR_NONE ] { 0 }  Constant [ integer JSON_ERROR_DEPTH ] { 1 }  Constant [ integer JSON_ERROR_STATE_MISMATCH ] { 2 }  Constant [ integer JSON_ERROR_CTRL_CHAR ] { 3 }  Constant [ integer JSON_ERROR_SYNTAX ] { 4 } } - Functions {  Function [ <internal:json> function json_encode ] {  - Parameters [2] {   Parameter #0 [ <required> $value ]   Parameter #1 [ <optional> $options ]  }  }  Function [ <internal:json> function json_decode ] {  - Parameters [3] {   Parameter #0 [ <required> $json ]   Parameter #1 [ <optional> $assoc ]   Parameter #2 [ <optional> $depth ]  }  }  Function [ <internal:json> function json_last_error ] {  - Parameters [0] {  }  } } } dom DOM/XML => enabled DOM/XML API Version => 20031129 libxml Version => 2.7.3 HTML Support => enabled XPath Support => enabled XPointer Support => enabled Schema Support => enabled RelaxNG Support => enabled 


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