Execution

2017-11-03 09:05:08

zend_bool zend_make_callable(zval *callable, char **callable_name TSRMLS_DC); zend_bool zend_is_callable(zval *callable, uint check_flags, char **call_name); zend_bool zend_is_callable_ex(zval *callable, uint check_flags, char **call_name, int *call_name_len, zend_class_entry **ce_ptr, zend_function **fptr_ptr, zval ***zobj_ptr_ptr TSRMLS_DC);

Checks whether the named function is callable. Returns 0 if callable, nonzero if otherwise.

Argument	Purpose
`callable`	Universal callback value. Might be a simple string identifying a normal function, or an array containing an object/class and a method name.
`check_flags`	Either or none of the following values: `IS_CALLABLE_CHECK_SYNTAX_ONLY`, `IS_CALLABLE_CHECK_IS_STATIC`.
`call_name`	If not passed as `NULL`, populated with a human readable representation of the call syntax that would be used. Helpful for error messages.
`call_name_len`	Length of the formatted `call_name` string.
`ce_ptr`	When specified using array syntax, this value is populated with the discovered class entry.
`fptr_ptr`	Populated with a pointer to the `zend_function*` of the discovered function or method.
`zobj_ptr_ptr`	When specified using array syntax, this value is populated with the discovered object instance.

int call_user_function(HashTable *function_table, zval **object_pp, zval *function_name, zval *retval_ptr, zend_uint param_count, zval *params[] TSRMLS_DC); int call_user_function_ex(HashTable *function_table, zval **object_pp, zval *function_name, zval **retval_ptr_ptr, zend_uint param_count, zval **params[], int no_separation, HashTable *symbol_table TSRMLS_DC);

Calls a userspace or internal function by its userspace name. The function's return value will be either copied into retval_ptr or referenced into retval_ptr_ptr. Returns SUCCESS or FAILURE.

Argument	Purpose
`function_table`	Default function table to look for the named function in. Typically this will be `EG(function_table)`.
`object_pp`	Object instance or classname to perform a method call.
`function_name`	Universal callback value. Either `String` or `Array` as described for `zend_is_callable()`.
`retval_ptr(_ptr)`	Populated with the result of the called function.
`param_count`	Number of parameters to expect in the `params` vector.
`params`	Vector of `param_count` elements of single or double dereferenced `zvals`.

Arguments	Purpose
`no_separation`	When set to 1, attempts to separate the passed argument will result in a call FAILURE.
`symbol_table`	Prebuilt symbol table to be given to function being called. Note: On completion of this function the symbol table will be destroyed.

int zend_eval_string(char *str, zval *retval_ptr, char *string_name TSRMLS_DC); int zend_eval_string_ex(char *str, zval *retval_ptr, char *string_name, int handle_exceptns TSRMLS_DC);

Evaluates an arbitrary string of PHP code as with the userspace function eval().

Argument	Purpose
`str`	PHP code string to process.
`retval_ptr`	Populated with the return value if one is produced.
`string_name`	Descriptive string used for error responding.
`handle_exceptns`	If set to true, any exceptions will be automatically rethrown and a result code of `FAILURE` returned.

int zend_execute_scripts(int type TSRMLS_DC, zval **retval, int count, ...);

Executes one or more script files referred to by prepared zend_file_handle structures. This method is similar to the php_execute_script() function used in Chapter 19, "Setting Up a Host Environment." That shouldn't be any surprise because it's the underlying function call that php_execute_script() uses. The primary difference between these two is that the PHPAPI version handles additional INI setting such as auto_prepend_file and auto_append_file.

Argument	Purpose
`type`	Inclusion type. One of `ZEND_INCLUDE`, `ZEND_REQUIRE`, `ZEND_INCLUDE_ONCE`, or `ZEND_REQUIRE_ONCE`.
`retval`	Populated on completion with the final return value produced by the series of scripts.
`count`	Number of `zend_file_handle` structs that can be expected in the following variable argument list.
`...`	List of `count` occurrences of `zend_file_handle*` variables to be processed.

void zend_set_timeout(long seconds); void zend_unset_timeout(TSRMLS_D);

Control script execution timeouts as with the userspace set_time_limit() function.

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