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208 lines
3.3 KiB
PHP
208 lines
3.3 KiB
PHP
--TEST--
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Test is_callable() function : usage variations - undefined functions
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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 undefined functions ***\n";
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$undef_functions = array (
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"", //empty string
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'',
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" ", //string with a space
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' ',
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"12356",
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"\0",
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'\0',
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"hello world",
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'hello world',
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"welcome\0",
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'welcome\0',
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"==%%%***$$$@@@!!",
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"false",
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"\070",
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'\t', //escape character
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'\007',
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'123',
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'echo()'
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);
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/* use check_iscallable() to check whether given string is valid function name
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* expected: true with $syntax = TRUE
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* false with $syntax = FALSE
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*/
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check_iscallable($undef_functions);
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?>
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===DONE===
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--EXPECTF--
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*** Testing is_callable() on undefined functions ***
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-- Iteration 1 --
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bool(false)
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bool(true)
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bool(true)
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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(true)
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bool(true)
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bool(false)
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bool(false)
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-- Iteration 3 --
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bool(false)
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bool(true)
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bool(true)
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bool(false)
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bool(false)
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-- Iteration 4 --
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bool(false)
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bool(true)
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bool(true)
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bool(false)
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bool(false)
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-- Iteration 5 --
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bool(false)
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bool(true)
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bool(true)
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12356
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bool(false)
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bool(false)
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12356
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-- Iteration 6 --
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bool(false)
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bool(true)
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bool(true)
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bool(false)
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bool(false)
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-- Iteration 7 --
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bool(false)
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bool(true)
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bool(true)
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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 8 --
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bool(false)
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bool(true)
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bool(true)
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hello world
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bool(false)
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bool(false)
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hello world
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-- Iteration 9 --
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bool(false)
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bool(true)
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bool(true)
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hello world
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bool(false)
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bool(false)
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hello world
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-- Iteration 10 --
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bool(false)
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bool(true)
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bool(true)
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welcome
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bool(false)
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bool(false)
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welcome
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-- Iteration 11 --
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bool(false)
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bool(true)
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bool(true)
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welcome\0
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bool(false)
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bool(false)
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welcome\0
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-- Iteration 12 --
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bool(false)
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bool(true)
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bool(true)
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==%%%***$$$@@@!!
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bool(false)
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bool(false)
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==%%%***$$$@@@!!
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-- Iteration 13 --
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bool(false)
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bool(true)
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bool(true)
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false
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bool(false)
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bool(false)
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false
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-- Iteration 14 --
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bool(false)
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bool(true)
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bool(true)
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8
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bool(false)
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bool(false)
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8
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-- Iteration 15 --
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bool(false)
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bool(true)
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bool(true)
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\t
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bool(false)
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bool(false)
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\t
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-- Iteration 16 --
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bool(false)
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bool(true)
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bool(true)
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\007
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bool(false)
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bool(false)
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\007
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-- Iteration 17 --
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bool(false)
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bool(true)
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bool(true)
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123
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bool(false)
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bool(false)
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123
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-- Iteration 18 --
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bool(false)
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bool(true)
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bool(true)
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echo()
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bool(false)
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bool(false)
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echo()
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===DONE===
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