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Deprecated function in PHP8.1

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Created on 8 June 2023, almost 2 years ago
Updated 18 December 2023, over 1 year ago

Problem/Motivation

Deprecated function: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in apachesolr_do_query() (line 1574 of /apachesolr/apachesolr.module).
Deprecated function: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in apachesolr_do_query() (line 1594 of /apachesolr/apachesolr.module).
Deprecated function: Automatic conversion of false to array is deprecated in apachesolr_has_searched() (line 1101 of /apachesolr/apachesolr.module).

Proposed resolution

Since PHP 8.0, passing null to strlen() is deprecated, htmlspecialchars() is deprecated.
To get around this error, you need to put a check in which the string will come instead of null in strlen() function,

$keys = $query->getParam('q')  ?? ''; // line 1574
if (strlen($keys) == 0 && ($filters = $query->getFilters())) {

and after that null will not come in the htmlspecialchars() function.

$keys = htmlspecialchars($keys, ENT_NOQUOTES, 'UTF-8'); //line 1594

About automatic conversion of false to array we can use this constractions:

$_searched = [$env_id => $searched]; //line 1101
🐛 Bug report
Status

Needs review

Version

1.0

Component

Code

Created by

🇺🇦Ukraine Igumnov_aleksey

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  • PHP 8.1

    The issue particularly affects sites running on PHP version 8.1.0 or later.

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