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@- Added is_callable() function that can be used to find out whether

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@  its argument is a valid callable construct. (Andrei)
This commit is contained in:
Andrei Zmievski 2001-05-09 20:06:39 +00:00
parent 5258141db8
commit 8112d1beba
2 changed files with 32 additions and 0 deletions
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31
ext/standard/basic_functions.c
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@ -336,6 +336,7 @@ function_entry basic_functions[] = {
PHP_FE(is_array, first_arg_allow_ref)
PHP_FE(is_object, first_arg_allow_ref)
PHP_FE(is_scalar, NULL)
PHP_FE(is_callable, third_argument_force_ref)
PHP_FE(error_log, NULL)
PHP_FE(call_user_func, NULL)
@ -2628,6 +2629,36 @@ PHP_FUNCTION(parse_ini_file)
/* }}} */
/* {{{ proto bool is_callable(mixed var [, bool syntax_only [, string callable_name ]]) */
PHP_FUNCTION(is_callable)
{
zval **var, **syntax_only, **callable_name;
char *name;
zend_bool retval;
zend_bool syntax = 0;
if (ZEND_NUM_ARGS() < 1 || ZEND_NUM_ARGS() > 3 ||
zend_get_parameters_ex(ZEND_NUM_ARGS(), &var, &syntax_only, &callable_name) == FAILURE) {
WRONG_PARAM_COUNT;
}
if (ZEND_NUM_ARGS() > 1) {
convert_to_boolean_ex(syntax_only);
syntax = Z_BVAL_PP(syntax_only);
}
if (ZEND_NUM_ARGS() > 2) {
retval = zend_is_callable(*var, syntax, &name);
zval_dtor(*callable_name);
ZVAL_STRING(*callable_name, name, 0);
} else
retval = zend_is_callable(*var, syntax, NULL);
RETURN_BOOL(retval);
}
/* }}} */
/*
* Local variables:
* tab-width: 4

1
ext/standard/basic_functions.h
View file

@ -77,6 +77,7 @@ PHP_FUNCTION(is_string);
PHP_FUNCTION(is_array);
PHP_FUNCTION(is_object);
PHP_FUNCTION(is_scalar);
PHP_FUNCTION(is_callable);
PHP_FUNCTION(error_log);