strip_tags sanitization in a group - Meta Box

This topic has 1 reply, 2 voices, and was last updated 5 months, 2 weeks ago by Long Nguyen.

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April 6, 2022 at 6:56 PM #35492

webdev
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Hi,
I have a group with four textarea fields inside. I wish to use strip_tags() on all four to ensure no <style> or <font> tags are included which will mess up the display.
I've added 'strip_tags' into the Custom Sanitize Callback field for the Group, but when I try to save the fields, I get the following Warning:
Warning: strip_tags() expects at most 2 parameters, 4 given

Am I doing something wrong? Do I need to create a custom function to sanitize the content?
Thanks in advance
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April 7, 2022 at 12:41 PM #35506

Long Nguyen
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Hi,

The function strip_tags() allow passing 2 parameters but the sanitization callback passes 4 parameters so it will display the warning error. You need to create a custom callback to strip tags.

Refer to this topic https://support.metabox.io/topic/custom-sanitization-in-group-subfields/#post-34323
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