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Upgrade/Install: As a follow-up to [45357], when linking to Update PHP support page in error messages, check if wp_get_update_php_url() and wp_get_update_php_annotation() exist.

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`wp-admin/includes/update-core.php` runs in the context of the previous WordPress version. Any calls to newly introduced functions there need to be checked via `function_exists()`.

Reviewed by desrosj, earnjam, SergeyBiryukov.

Props dd32, imath.
Fixes #47323.

git-svn-id: https://develop.svn.wordpress.org/trunk@45365 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Sergey Biryukov 2019-05-20 14:28:03 +00:00
parent b9e6f18350
commit ff131f5e29
1 changed files with 10 additions and 5 deletions
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15
src/wp-admin/includes/update-core.php
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@ -946,12 +946,17 @@ function update_core( $from, $to ) {
$wp_filesystem->delete( $from, true ); $wp_filesystem->delete( $from, true );
} }
/* translators: %s: Update PHP page URL */ $php_update_message = '';
$php_update_message = '</p><p>' . sprintf( __( '<a href="%s">Learn more about updating PHP</a>.' ), esc_url( wp_get_update_php_url() ) ); if ( function_exists( 'wp_get_update_php_url' ) ) {
/* translators: %s: Update PHP page URL */
$php_update_message = '</p><p>' . sprintf( __( '<a href="%s">Learn more about updating PHP</a>.' ), esc_url( wp_get_update_php_url() ) );
$annotation = wp_get_update_php_annotation(); if ( function_exists( 'wp_get_update_php_annotation' ) ) {
if ( $annotation ) { $annotation = wp_get_update_php_annotation();
$php_update_message .= '</p><p><em>' . $annotation . '</em>'; if ( $annotation ) {
$php_update_message .= '</p><p><em>' . $annotation . '</em>';
}
}
} }
if ( ! $mysql_compat && ! $php_compat ) { if ( ! $mysql_compat && ! $php_compat ) {