Change short open tag to long open tag.

short-open-tag-converter.php

<?php
// This script convert short open tag to long open tag.
// Inspired from https://stackoverflow.com/a/3621669
//
// Source: https://gist.github.com/mytory/5380b6a970ed4c14e16dd1be498e0919
// Usage: php short-open-tag-converter.php target_file_path.php
// Notice: This script change original file.
//
// If you want to change '<?=' to '<?php echo ' uncomment line 45~50.

if (ini_get('short_open_tag') !== '1') {
    fwrite(STDERR, 'ERROR! Change short_open_tag to On in ' . php_ini_loaded_file() . PHP_EOL);
    exit(1);
}

if ($argc === 1) {
    fwrite(STDERR, "ERROR! A file path must be entered." . PHP_EOL);
    fwrite(STDERR, "ex) php {$argv[0]} file_path.php" . PHP_EOL);
    exit(1);
}

$filepath = realpath($argv[1]);

$contents = file_get_contents($filepath) or die;
$tokens = token_get_all($contents);
$tokens[] = array(0x7E0F7E0F,"",-1);

$fixed_contents = '';

foreach ($tokens as $index => $token) {
    if (is_array($token)) {
        list($toktype, $source_code) = $token;
        
        if ($toktype == T_OPEN_TAG) {
            if (($source_code == "<?") && ($tokens[$index+1][0] != T_STRING)) {
                $source_code = "<?php";
                if ($tokens[$index+1][0] != T_WHITESPACE) {
                    $source_code .= " ";
                }
            }
        }

        // <?= to <?php echo
        
        // if ($toktype == T_OPEN_TAG_WITH_ECHO) {
        //     $source_code = "<?php echo";
        //     if ($tokens[$index+1][0] != T_WHITESPACE) {
        //         $source_code .= " ";
        //     }
        // }

        $fixed_contents .= $source_code;
    } else {
        $fixed_contents .= $token;
    }
}

file_put_contents($filepath, $fixed_contents);