rfc:typehint

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rfc:typehint [2008/04/17 14:36] – feliperfc:typehint [2008/04/17 16:59] – typo felipe
Line 4: Line 4:
   * Author: Felipe Pena <felipensp@gmail.com>   * Author: Felipe Pena <felipensp@gmail.com>
   * Status: [[http://news.php.net/php.internals/37049|Under Discussion]]   * Status: [[http://news.php.net/php.internals/37049|Under Discussion]]
 +
  
 ====== Details of implementation ====== ====== Details of implementation ======
 **Parameter type hint:** **Parameter type hint:**
-  - The behavior when the default parameter value is ''NULL'' was keeped.+  - The behavior when the default parameter value is ''NULL'' was kept.
 **Both:** **Both:**
   - Binary and unicode string are specified by ''string''.   - Binary and unicode string are specified by ''string''.
Line 128: Line 129:
       - isObject()       - isObject()
       - isResource()       - isResource()
 +
  
  
 ==== Examples ==== ==== Examples ====
 +
 +=== With default parameter value ===
 +<code php>
 +function test(integer $value = '1') {
 +}
 +// Fatal error: Default value for parameters with integer type hint can only be the exact type or NULL
 +</code>
  
 === integer / int === === integer / int ===
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 test(1); test(1);
-test("1337"); 
 test(-1); test(-1);
-test("1."); // Catchable fatal error: Argument 1 passed to test() must be of the type integer, string given +test("1.");  
- +// Catchable fatal error: Argument 1 passed to test() must be of the type integer, string given ...
-function test(integer $value = '1') { +
-} +
-// Fatal error: Default value for parameters with integer type hint can only be the exact type or NULL+
 </code> </code>
  
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 test(1.1); test(1.1);
 test(.1); test(.1);
-test("1."); +test("1."); // Catchable fatal error: Argument 1 passed to test() must be of the type double, string given
-test("1337"); // Catchable fatal error: Argument 1 passed to test() must be of the type double, string given +
- +
-function test(double $value = '1') { +
-} +
-// Fatal error: Default value for parameters with double type hint can only be the exact type or NULL+
 </code> </code>
  
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 test(false); test(false);
-test(0); +test(0); // Catchable fatal error: Argument 1 passed to test() must be of the type boolean, null given
-test(1); +
-test('0'); +
-test('1'); +
-test(''); +
-test(null); // Catchable fatal error: Argument 1 passed to test() must be of the type boolean, null given+
 </code> </code>
  
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 test(new stdclass); test(new stdclass);
 test(NULL); // Catchable fatal error: Argument 1 passed to test() must be of the type object, null given test(NULL); // Catchable fatal error: Argument 1 passed to test() must be of the type object, null given
- 
-function test(object $value = 1) { 
-} 
-// Fatal error: Default value for parameters with object type hint can only be the exact type or NULL 
 </code> </code>
  
rfc/typehint.txt · Last modified: 2017/09/22 13:28 by 127.0.0.1

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