benchmarkEval.php

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<?php
 
require_once __DIR__ . '/../includes/Benchmarker.php';
 
class BenchmarkEval extends Benchmarker {
    public function __construct() {
        parent::__construct();
        $this->addOption( 'inner',
            'Inner loop iterations', false, true );
        $this->addOption( 'code',
            'The code to run',
            false, true, 'e' );
        $this->addOption( 'setup',
            'Code to run once before the first iteration',
            false, true );
        $this->addArg( 'input-file', 'Input file for measured code body', false );
    }
 
    public function execute() {
        if ( $this->hasOption( 'setup' ) ) {
            $setupCode = $this->getOption( 'setup' ) . ';';
            eval( $setupCode );
        }
 
        if ( $this->hasOption( 'code' ) ) {
            $code = $this->getOption( 'code' );
        } elseif ( $this->hasArg( 0 ) ) {
            $code = file_get_contents( $this->getArg( 0 ) );
            if ( $code === false ) {
                $this->fatalError( "Unable to read input file" );
            }
        } else {
            fwrite( STDERR, "Reading from stdin...\n" );
            $code = stream_get_contents( STDIN );
        }
        $code .= ';';
        $inner = $this->getOption( 'inner', 1 );
        if ( $inner > 1 ) {
            $code = "for ( \$__i = 0; \$__i < $inner; \$__i++ ) { $code }";
        }
        $code = "function wfBenchmarkEvalBody () { $code }";
        eval( $code );
        $this->bench( [ 'eval' => [ 'function' => 'wfBenchmarkEvalBody' ] ] );
    }
}
 
$maintClass = BenchmarkEval::class;
require_once RUN_MAINTENANCE_IF_MAIN;