[wp-trac] [WordPress Trac] #57580: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in functions.php

[WordPress Trac]

#57580: strpos(): Passing null to parameter #1 ($haystack) of type string is
deprecated  in functions.php
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 Reporter:  ipajen        |       Owner:  (none)
     Type:  defect (bug)  |      Status:  closed
 Priority:  normal        |   Milestone:
Component:  General       |     Version:  6.2
 Severity:  normal        |  Resolution:  invalid
 Keywords:  PHP81 close   |     Focuses:
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Comment (by insecttrojan):

 In my case I debug and was the header-footer-code-manager and the wp-
 google-places-review-slider
 https://wordpress.org/support/topic/deprecated-strpos-4/

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Ticket URL: <https://core.trac.wordpress.org/ticket/57580#comment:15>
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