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PHP 8.1 has deprecated passing null as the second parameter to `preg_match()`, generating the following Deprecated notice: `preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated`.
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The failing e2e test here is unrelated to this PR, and this is an essential fix for PHP8.x compatibility so I'll go ahead and merge this. |
Member
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Thanks for catching that! |
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PHP 8.1 has deprecated passing null as the second parameter to
preg_match(), generating the following Deprecated notice:preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated.What?
Avoids a PHP Deprecated notice
Why?
PHP 8.1 has deprecated passing null values to preg_match(), which is the default condition here.
How?
Check the
$block_gapis a non-falsey value before processing it.This style is already used for this variable value further down the stack:
gutenberg/lib/block-supports/layout.php
Line 73 in 6de1698
The changes in this PR could also be written as:
both are logically the same here (although different around a 0 or false, which is not supported here due to the above mentioned code), as it's only checking to see if it contains invalid characters.
Testing Instructions
Unknown.
Have a block that does not contain the
blockGapkey:_wp_array_get( $block, array( 'attrs', 'style', 'spacing', 'blockGap' ) ).Screenshots or screencast