CakeFest 2024: The Official CakePHP Conference

preg_last_error_msg

(PHP 8)

preg_last_error_msgReturns the error message of the last PCRE regex execution

说明

preg_last_error_msg(): string

Returns the error message of the last PCRE regex execution.

参数

此函数没有参数。

返回值

Returns the error message on success, or "No error" if no error has occurred.

示例

示例 #1 preg_last_error_msg() example

<?php

preg_match
('/(?:\D+|<\d+>)*[!?]/', 'foobar foobar foobar');

if (
preg_last_error() !== PREG_NO_ERROR) {
echo
preg_last_error_msg();
}

?>

以上示例会输出:

Backtrack limit exhausted

参见

add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top