<?php $values = ['12,30', '116,10', '1.563,14']; echo array_sum( str_replace( ['.', ','], ['', '.'], $values ) ); echo "\n---\n"; $f = new NumberFormatter( 'de_DE', NumberFormatter::DECIMAL ); echo array_reduce( $values, fn($result, $v) => $result + $f->parse($v), 0 );
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