StaticArrayWriter.php

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<?php
namespace Wikimedia;
 
class StaticArrayWriter {
 
    public function create( array $data, $header = 'Automatically generated' ) {
        $code = "<?php\n"
            . "// " . implode( "\n// ", explode( "\n", $header ) ) . "\n"
            . "return [\n";
        foreach ( $data as $key => $value ) {
            $code .= $this->encode( $key, $value, 1 );
        }
        $code .= "];\n";
        return $code;
    }
 
    private function encode( $key, $value, $indent ) {
        $tabs = str_repeat( "\t", $indent );
        $line = $tabs .
            var_export( $key, true ) .
            ' => ';
        if ( is_array( $value ) ) {
            $line .= "[\n";
            foreach ( $value as $key2 => $value2 ) {
                $line .= $this->encode( $key2, $value2, $indent + 1 );
            }
            $line .= "$tabs]";
        } else {
            $line .= var_export( $value, true );
        }
 
        $line .= ",\n";
        return $line;
    }
}