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154 lines
2.9 KiB
PHP
154 lines
2.9 KiB
PHP
--TEST--
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Test is_callable() function : usage variations - on invalid function names
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--INI--
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precision=14
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error_reporting = E_ALL & ~E_NOTICE | E_STRICT
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--FILE--
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<?php
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/* Prototype: bool is_callable ( mixed $var [, bool $syntax_only [, string &$callable_name]] );
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Description: Verify that the contents of a variable can be called as a function
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In case of objects, $var = array($SomeObject, 'MethodName')
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*/
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/* Prototype: void check_iscallable( $functions );
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Description: use iscallable() on given string to check for valid function name
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returns true if valid function name, false otherwise
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*/
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function check_iscallable( $functions ) {
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$counter = 1;
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foreach($functions as $func) {
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echo "-- Iteration $counter --\n";
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var_dump( is_callable($func) ); //given only $var argument
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var_dump( is_callable($func, TRUE) ); //given $var and $syntax argument
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var_dump( is_callable($func, TRUE, $callable_name) );
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echo $callable_name, "\n";
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var_dump( is_callable($func, FALSE) ); //given $var and $syntax argument
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var_dump( is_callable($func, FALSE, $callable_name) );
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echo $callable_name, "\n";
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$counter++;
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}
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}
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echo "\n*** Testing is_callable() on invalid function names ***\n";
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/* check on unset variables */
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$unset_var = 10;
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unset ($unset_var);
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/* opening file resource type */
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$file_handle = fopen (__FILE__, "r");
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$variants = array (
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NULL, // NULL as argument
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0, // zero as argument
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1234567890, // positive value
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-100123456782, // negative value
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-2.000000, // negative float value
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.567, // positive float value
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FALSE, // boolean value
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array(1, 2, 3), // array
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@$unset_var,
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@$undef_var, //undefined variable
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$file_handle
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);
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/* use check_iscallable() to check whether given variable is valid function name
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* expected: false
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*/
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check_iscallable($variants);
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/* closing resources used */
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fclose($file_handle);
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?>
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===DONE===
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--EXPECTF--
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*** Testing is_callable() on invalid function names ***
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-- Iteration 1 --
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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-- Iteration 2 --
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bool(false)
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bool(false)
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bool(false)
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0
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bool(false)
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bool(false)
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0
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-- Iteration 3 --
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bool(false)
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bool(false)
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bool(false)
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1234567890
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bool(false)
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bool(false)
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1234567890
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-- Iteration 4 --
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bool(false)
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bool(false)
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bool(false)
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-100123456782
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bool(false)
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bool(false)
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-100123456782
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-- Iteration 5 --
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bool(false)
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bool(false)
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bool(false)
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-2
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bool(false)
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bool(false)
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-2
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-- Iteration 6 --
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bool(false)
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bool(false)
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bool(false)
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0.567
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bool(false)
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bool(false)
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0.567
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-- Iteration 7 --
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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-- Iteration 8 --
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bool(false)
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bool(false)
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bool(false)
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Array
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bool(false)
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bool(false)
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Array
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-- Iteration 9 --
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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-- Iteration 10 --
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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-- Iteration 11 --
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bool(false)
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bool(false)
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bool(false)
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Resource id #%d
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bool(false)
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bool(false)
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Resource id #%d
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===DONE===
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