function compatChecks() {
$minimumPcreVersion = Installer::MINIMUM_PCRE_VERSION;
- list( $pcreVersion ) = explode( ' ', PCRE_VERSION, 2 );
+ $pcreVersion = explode( ' ', PCRE_VERSION, 2 )[0];
if ( version_compare( $pcreVersion, $minimumPcreVersion, '<' ) ) {
$this->fatalError(
"PCRE $minimumPcreVersion or later is required.\n" .