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run code in 300+ PHP versions simultaneously
<?php $string = 'print the imprint with the imprinted printing paper'; $replacements = array( 'print' => 'vole', 'imprint' => 'hovno', 'paper' => 'sex' ); $delimiter = '/'; $words = array_keys( $replacements); $regex = $delimiter . '\b(' . implode('|', array_map( 'preg_quote', $words, array_fill( 0, count( $words), $delimiter))) . ')\b' . $delimiter; $result = preg_replace_callback( $regex, function( $match) use( $replacements) { return $replacements[$match[1]]; }, $string); echo $result;

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