Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Quote regular expression characters
<?php preg_quote(string $str, ?string $delimiter = null): string<?php if (file_exists($dir)) {
$dirMatch = preg_quote(strtr(realpath($dir), '\\', '/'));
foreach ($excluded as $index => $pattern) {
$pattern = Preg::replace('{^(([^.+*?\[^\]$(){}=!<>|:\\\\#-]+|\\\\[.+*?\[^\]$(){}=!<>|:#-])*).*}', '$1', $pattern);<?php if (($type === 'files' || $type === 'classmap' || $type === 'exclude-from-classmap') && $package->getTargetDir() && !Filesystem::isReadable($installPath.'/'.$path)) {
if ($package === $rootPackage) {
$targetDir = str_replace('\\<dirsep\\>', '[\\\\/]', preg_quote(str_replace(array('/', '\\'), '<dirsep>', $package->getTargetDir())));
$path = ltrim(Preg::replace('{^'.$targetDir.'}', '', ltrim($path, '\\/')), '\\/');
} else {<?php if ($type === 'exclude-from-classmap') {
$path = Preg::replace('{/+}', '/', preg_quote(trim(strtr($path, '\\', '/'), '/')));
$path = strtr($path, array('\\*\\*' => '.+?', '\\*' => '[^/]+?'));<?php }
$resolvedPath = realpath($installPath . '/' . $updir);
$autoloads[] = preg_quote(strtr($resolvedPath, '\\', '/')) . '/' . $path . '($|/)';
continue;
}<?php if (empty($validClasses)) {
foreach ($rejectedClasses as $class) {
if ($io) {
$io->writeError("<warning>Class $class located in ".Preg::replace('{^'.preg_quote(getcwd()).'}', '.', $filePath, 1)." does not comply with $namespaceType autoloading standard. Skipping.</warning>");
}
}<?php {
$firstDelimiterChar = $delimiter[0];
$delimiterLength = \strlen($delimiter);
$delimiterPattern = '{'.preg_quote($delimiter).'(?![a-zA-Z0-9_\x80-\xff])}A';
while ($this->index < $this->len) {<?php return false;
}
$pattern = sprintf('{^/?%s(/\*?)?$}', preg_quote($vendor));
$lines = file($ignoreFile, FILE_IGNORE_NEW_LINES);
foreach ($lines as $line) {<?php $query = implode(' ', $input->getArgument('tokens'));
if ($mode !== RepositoryInterface::SEARCH_FULLTEXT) {
$query = preg_quote($query);
}
$results = $repos->search($query, $mode, $type);<?php $packages = array();
$packageFilterRegex = null;
if (null !== $packageFilter) {
$packageFilterRegex = '{^'.str_replace('\\*', '.*?', preg_quote($packageFilter)).'$}i';
}
$packageListFilter = array();<?php protected function resolvePackageInstallPreference(PackageInterface $package)
{
foreach ($this->packagePreferences as $pattern => $preference) {
$pattern = '{^'.str_replace('\\*', '.*', preg_quote($pattern)).'$}i';
if (Preg::isMatch($pattern, $package->getName())) {
if ('dist' === $preference || (!$package->isDev() && 'auto' === $preference)) {
return 'dist';<?php foreach ($candidateBranches as $candidate) {
if (Preg::isMatchAll('{^[a-f0-9]+ refs/remotes/((?:[^/]+)/'.preg_quote($candidate).')$}mi', $refs, $matches)) {
foreach ($matches[1] as $match) {
$branch = $candidate;
$remoteBranches[] = $match;<?php $gitRef = $reference;
if (!Preg::isMatch('{^[a-f0-9]{40}$}', $reference)
&& $branches
&& Preg::isMatch('{^\s+composer/'.preg_quote($reference).'$}m', $branches)
) {
$command = sprintf('git checkout '.$force.'-B %s %s -- && git reset --hard %2$s --', ProcessExecutor::escape($branch), ProcessExecutor::escape('composer/'.$reference));
if (0 === $this->process->execute($command, $output, $path)) {<?php if (Preg::isMatch('{^[a-f0-9]{40}$}', $reference)) {
if (!Preg::isMatch('{^\s+composer/'.preg_quote($branch).'$}m', $branches) && Preg::isMatch('{^\s+composer/v'.preg_quote($branch).'$}m', $branches)) {
$branch = 'v' . $branch;
}<?php $possibleLocalBinaries = $this->composer->getPackage()->getBinaries();
if ($possibleLocalBinaries) {
foreach ($possibleLocalBinaries as $localExec) {
if (Preg::isMatch('{\b'.preg_quote($callable).'$}', $localExec)) {
$caller = BinaryInstaller::determineBinaryCaller($localExec);
$exec = Preg::replace('{^'.preg_quote($callable).'}', $caller . ' ' . $localExec, $exec);
break;<?php foreach ($possibleLocalBinaries as $localExec) {
if (Preg::isMatch('{\b'.preg_quote($callable).'$}', $localExec)) {
$caller = BinaryInstaller::determineBinaryCaller($localExec);
$exec = Preg::replace('{^'.preg_quote($callable).'}', $caller . ' ' . $localExec, $exec);
break;
}
}