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override_function

(PECL apd:0.2-1.0.1)

override_function — Overrides built-in functions

说明

bool override_function ( string $function_name , string $function_args , string $function_code )

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 coma separated string.

Usually you will want to pass this parameter, as well as the function_code parameter, 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

如果成功则返回 TRUE,失败则返回 FALSE

范例

Example#1 override_function() example

<?php
override_function
('test''$a,$b''echo "DOING TEST"; return $a * $b;');
?>


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