PPDStackElement_Hash.php

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<?php
// phpcs:ignore Squiz.Classes.ValidClassName.NotCamelCaps
class PPDStackElement_Hash extends PPDStackElement {

    public function __construct( $data = [] ) {
        $this->partClass = PPDPart_Hash::class;
        parent::__construct( $data );
    }

    public function breakSyntax( $openingCount = false ) {
        if ( $this->open == "\n" ) {
            $accum = array_merge( [ $this->savedPrefix ], $this->parts[0]->out );
        } else {
            if ( $openingCount === false ) {
                $openingCount = $this->count;
            }
            $s = substr( $this->open, 0, -1 );
            $s .= str_repeat(
                substr( $this->open, -1 ),
                $openingCount - strlen( $s )
            );
            $accum = [ $this->savedPrefix . $s ];
            $lastIndex = 0;
            $first = true;
            foreach ( $this->parts as $part ) {
                if ( $first ) {
                    $first = false;
                } elseif ( is_string( $accum[$lastIndex] ) ) {
                    $accum[$lastIndex] .= '|';
                } else {
                    $accum[++$lastIndex] = '|';
                }

                foreach ( $part->out as $node ) {
                    if ( is_string( $node ) && is_string( $accum[$lastIndex] ) ) {
                        $accum[$lastIndex] .= $node;
                    } else {
                        $accum[++$lastIndex] = $node;
                    }
                }
            }
        }
        return $accum;
    }
}