ion/build/update_header_comments.php

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<?php
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declare(strict_types=1);
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$file_patterns = [
'src/*.php',
'tests/**/*.php',
];
if ( ! function_exists('glob_recursive'))
{
// Does not support flag GLOB_BRACE
function glob_recursive($pattern, $flags = 0)
{
$files = glob($pattern, $flags);
foreach (glob(dirname($pattern) . '/*', GLOB_ONLYDIR | GLOB_NOSORT) as $dir)
{
$files = array_merge($files, glob_recursive($dir . '/' . basename($pattern), $flags));
}
return $files;
}
}
function get_text_to_replace($tokens)
{
if ($tokens[0][0] !== T_OPEN_TAG)
{
return NULL;
}
// If there is already a docblock, as the second token after the
// open tag, get the contents of that token to replace
if ($tokens[1][0] === T_DOC_COMMENT)
{
return "<?php\n" . $tokens[1][1];
}
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// If there is a declare strict types,
else if ($tokens[1][0] === T_DECLARE && $tokens[9][0] === T_DOC_COMMENT)
{
// '<?php' and 'declare(strict_types=1);' makes for 8 tokens
// replace it all
return "<?php\ndeclare(strict_types=1);\n" . $tokens[9][1];
}
else if ($tokens[1][0] !== T_DOC_COMMENT)
{
return "<?php";
}
}
function get_tokens($source)
{
return token_get_all($source);
}
function replace_files(array $files, $template)
{
foreach ($files as $file)
{
$source = file_get_contents($file);
$tokens = get_tokens($source);
$text_to_replace = get_text_to_replace($tokens);
$header = file_get_contents(__DIR__ . $template);
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$new_text = "<?php declare(strict_types=1);\n{$header}";
$new_source = str_replace($text_to_replace, $new_text, $source);
file_put_contents($file, $new_source);
}
}
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foreach ($file_patterns as $glob)
{
$files = glob_recursive($glob);
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replace_files($files, '/header_comment.txt');
}
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echo "Successfully updated headers \n";