override_function
(PECL apd >= 0.2)
override_function — Overrides built-in functions
说明
override_function (
string
$function_name ,
string $function_args ,
string $function_code ) :
bool
Overrides built-in functions by replacing them in the symbol table.
参数
-
function_name -
The function to override.
-
function_args -
The function arguments, as a comma separated string.
Usually you will want to pass this parameter, as well as the
function_codeparameter, as a single quote delimited string. The reason for using single quoted strings, is to protect the variable names from parsing, otherwise, if you use double quotes there will be a need to escape the variable names, e.g. \$your_var. -
function_code -
The new code for the function.
返回值
成功时返回 TRUE， 或者在失败时返回 FALSE。
范例
Example #1 override_function() example
<?php
override_function('test', '$a,$b', 'echo "DOING TEST"; return $a * $b;');
?>
