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Merge "Use string as return type of MMLutil::addPreOperator"

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jenkins-bot 2023-09-21 11:52:43 +00:00 committed by Gerrit Code Review
parent 586d15b046 c0d56f03fb
commit 293d0914b1
1 changed files with 4 additions and 4 deletions
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8
src/TexVC/MMLmappings/Util/MMLutil.php
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@ -95,14 +95,14 @@ class MMLutil {
* em or other dimensional unit gets multiplied by pre-operator.
* @param string $size input size i.e-123em
* @param string $operator "plus (+) or minus (-)
* @return string|void ++ => + , -- => +, -+ => -
* @return string ++ => + , -- => +, -+ => -
*/
public static function addPreOperator( string $size, string $operator ) {
public static function addPreOperator( string $size, string $operator ): string {
$emtr = trim( $size );
$ok = preg_match( "/^(\+|\-)$/", $operator );
$ok = preg_match( "/^([+\-])$/", $operator );
if ( !$ok ) {
return;
return '';
}
switch ( $emtr[0] ) {
case "-":