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General: Improve performance of the `_wp_array_get()` function. 

When using a block theme, `_wp_array_get()` is the most called function on the front end of a site.

This commit makes a few minor performance optimizations, which add up to a noticeable improvement.

Follow-up to [49135], [49143], [49580].

Props aristath, jrf, afercia, costdev, swissspidy, flixos90, spacedmonkey, mukesh27, samiamnot, SergeyBiryukov.
Fixes #58376.
Built from https://develop.svn.wordpress.org/trunk@55851


git-svn-id: http://core.svn.wordpress.org/trunk@55363 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Sergey Biryukov 2023-05-23 22:00:21 +00:00
parent 8f8114fb06
commit 0ecaf73f34
2 changed files with 28 additions and 7 deletions
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31
wp-includes/functions.php
View File

@ -4947,14 +4947,35 @@ function _wp_array_get( $input_array, $path, $default_value = null ) {
} }
foreach ( $path as $path_element ) { foreach ( $path as $path_element ) {
if ( if ( ! is_array( $input_array ) ) {
! is_array( $input_array ) ||
( ! is_string( $path_element ) && ! is_integer( $path_element ) && ! is_null( $path_element ) ) ||
! array_key_exists( $path_element, $input_array )
) {
return $default_value; return $default_value;
} }
if ( is_string( $path_element )
|| is_integer( $path_element )
|| null === $path_element
) {
/*
* Check if the path element exists in the input array.
* We check with `isset()` first, as it is a lot faster
* than `array_key_exists()`.
*/
if ( isset( $input_array[ $path_element ] ) ) {
$input_array = $input_array[ $path_element ]; $input_array = $input_array[ $path_element ];
continue;
}
/*
* If `isset()` returns false, we check with `array_key_exists()`,
* which also checks for `null` values.
*/
if ( array_key_exists( $path_element, $input_array ) ) {
$input_array = $input_array[ $path_element ];
continue;
}
}
return $default_value;
} }
return $input_array; return $input_array;

2
wp-includes/version.php
View File

@ -16,7 +16,7 @@
* *
* @global string $wp_version * @global string $wp_version
*/ */
$wp_version = '6.3-alpha-55850'; $wp_version = '6.3-alpha-55851';
/** /**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema. * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.