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110 lines
2.4 KiB
PHP
110 lines
2.4 KiB
PHP
--TEST--
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Test is_callable() function : usage variations - defined 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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* Source code: ext/imap/php_imap.c
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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 defined functions ***\n";
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/* function name with simple string */
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function someFunction() {
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}
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/* function name with mixed string and integer */
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function x123() {
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}
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/* function name as NULL */
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function NULL() {
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}
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/* function name with boolean name */
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function false() {
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}
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/* function name with string and special character */
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function Hello_World() {
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}
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$defined_functions = array (
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$functionVar1 = 'someFunction',
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$functionVar2 = 'x123',
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$functionVar3 = 'NULL',
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$functionVar4 = 'false',
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$functionVar5 = "Hello_World"
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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 as it is valid callback
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*/
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check_iscallable($defined_functions);
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?>
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===DONE===
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--EXPECT--
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*** Testing is_callable() on defined functions ***
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-- Iteration 1 --
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bool(true)
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bool(true)
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bool(true)
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someFunction
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bool(true)
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bool(true)
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someFunction
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-- Iteration 2 --
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bool(true)
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bool(true)
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bool(true)
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x123
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bool(true)
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bool(true)
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x123
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-- Iteration 3 --
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bool(true)
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bool(true)
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bool(true)
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NULL
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bool(true)
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bool(true)
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NULL
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-- Iteration 4 --
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bool(true)
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bool(true)
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bool(true)
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false
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bool(true)
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bool(true)
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false
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-- Iteration 5 --
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bool(true)
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bool(true)
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bool(true)
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Hello_World
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bool(true)
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bool(true)
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Hello_World
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===DONE===
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