eval.php

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<?php
use MediaWiki\Logger\LoggerFactory;
use MediaWiki\Logger\ConsoleSpi;
use MediaWiki\MediaWikiServices;

$optionsWithArgs = [ 'd' ];

require_once __DIR__ . "/commandLine.inc";

if ( isset( $options['d'] ) ) {
    $d = $options['d'];
    if ( $d > 0 ) {
        LoggerFactory::registerProvider( new ConsoleSpi );
        // Some services hold Logger instances in object properties
        MediaWikiServices::resetGlobalInstance();
    }
    if ( $d > 1 ) {
        wfGetDB( DB_MASTER )->setFlag( DBO_DEBUG );
        wfGetDB( DB_REPLICA )->setFlag( DBO_DEBUG );
    }
}

$__useReadline = function_exists( 'readline_add_history' )
    && Maintenance::posix_isatty( 0 /*STDIN*/ );

if ( $__useReadline ) {
    $__historyFile = isset( $_ENV['HOME'] ) ?
        "{$_ENV['HOME']}/.mweval_history" : "$IP/maintenance/.mweval_history";
    readline_read_history( $__historyFile );
}

$__e = null; // PHP exception
while ( ( $__line = Maintenance::readconsole() ) !== false ) {
    if ( $__e && !preg_match( '/^(exit|die);?$/', $__line ) ) {
        // Internal state may be corrupted or fatals may occur later due
        // to some object not being set. Don't drop out of eval in case
        // lines were being pasted in (which would then get dumped to the shell).
        // Instead, just absorb the remaning commands. Let "exit" through per DWIM.
        echo "Exception was thrown before; please restart eval.php\n";
        continue;
    }
    if ( $__useReadline ) {
        readline_add_history( $__line );
        readline_write_history( $__historyFile );
    }
    try {
        $__val = eval( $__line . ";" );
    } catch ( Exception $__e ) {
        fwrite( STDERR, "Caught exception " . get_class( $__e ) .
            ": {$__e->getMessage()}\n" . $__e->getTraceAsString() . "\n" );
        continue;
    }
    if ( is_null( $__val ) ) {
        echo "\n";
    } elseif ( is_string( $__val ) || is_numeric( $__val ) ) {
        echo "$__val\n";
    } else {
        var_dump( $__val );
    }
}

print "\n";