Get error "PHP Unknown: strpos(): Passing null to parameter #1 ($haystack)" after upgrade to php 8.1

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Post by Jansuh » Thu Mar 07, 2024 7:49 pm

Hi there,

I have migrated my website from 2.3.0.3 to 3.0.3.9 because the provider is going to upgrade to php 8.1 and up.
All went well and had a nice clean error log.

When i put the site on php 8.1 i get the following error repeatedly

PHP Unknown: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /home/xxx/domains/pureandtimeless.nl/public_html/system/storagexxx/modification/catalog/model/tool/image.php on line 40

MAybe any of you knows how to troubleshoot this.

Thanks in advance
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Re: Get error "PHP Unknown: strpos(): Passing null to parameter #1 ($haystack)" after upgrade to php 8.1

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Post by Cue4cheap » Thu Mar 07, 2024 9:46 pm

Jansuh wrote: ↑
Thu Mar 07, 2024 7:49 pm
 Hi there,

I have migrated my website from 2.3.0.3 to 3.0.3.9 because the provider is going to upgrade to php 8.1 and up.
All went well and had a nice clean error log.

When i put the site on php 8.1 i get the following error repeatedly

PHP Unknown: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /home/xxx/domains/pureandtimeless.nl/public_html/system/storagexxx/modification/catalog/model/tool/image.php on line 40

MAybe any of you knows how to troubleshoot this.

Thanks in advance
/home/xxx/domains/pureandtimeless.nl/public_html/system/storagexxx/modification/catalog/model/tool/image.php on line 40

What modification modifies that image.php file?
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Re: Get error "PHP Unknown: strpos(): Passing null to parameter #1 ($haystack)" after upgrade to php 8.1

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Post by paulfeakins » Fri Mar 08, 2024 12:06 am

Jansuh wrote: ↑
Thu Mar 07, 2024 7:49 pm
 /system/storagexxx/modification/
This part means it comes from an installed extension.

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Re: Get error "PHP Unknown: strpos(): Passing null to parameter #1 ($haystack)" after upgrade to php 8.1

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Post by Jansuh » Fri Mar 08, 2024 1:41 am

paulfeakins wrote: ↑
Fri Mar 08, 2024 12:06 am
Jansuh wrote: ↑
Thu Mar 07, 2024 7:49 pm
 /system/storagexxx/modification/
This part means it comes from an installed extension.
Will try and find out the module that changes it.
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Re: Get error "PHP Unknown: strpos(): Passing null to parameter #1 ($haystack)" after upgrade to php 8.1

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Post by paulfeakins » Sat Mar 09, 2024 12:00 am

Jansuh wrote: ↑
Fri Mar 08, 2024 1:41 am
 Will try and find out the module that changes it.
Or disable them one-by-one until the error goes away to find which one it was.

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Re: Get error "PHP Unknown: strpos(): Passing null to parameter #1 ($haystack)" after upgrade to php 8.1

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Post by Ixperts » Sat Mar 09, 2024 11:15 am

I had the same issue... switched to PHP 8 and it worked! I think its too early for PHP 8.1

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Re: Get error "PHP Unknown: strpos(): Passing null to parameter #1 ($haystack)" after upgrade to php 8.1

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Post by OSWorX » Sat Mar 09, 2024 1:03 pm

Use the 3.0.x.x (will be 3.0.4.0 in future) https://github.com/opencart/opencart/tree/3.0.x.x and it will work (also with php 8.2.x) wihout any problems.

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