docker-php-extension-installer/scripts/tests/sourceguardian

#!/usr/bin/env php
<?php

require_once __DIR__ . '/_bootstrap.php';

$rc = 0;
foreach ([false => 'PHP module', true => 'Zend extension'] as $type => $typeName) {
    $extensions = get_loaded_extensions($type);
    $extensionsLowerCase = array_map('strtolower', $extensions);
    if (in_array('sourceguardian', $extensionsLowerCase, true)) {
        fwrite(STDOUT, "The SourceGuardian {$typeName} is loaded.\n");
    } else {
        fwrite(STDERR, "The SourceGuardian {$typeName} is not loaded.\nLoaded extensions are: \n- " . implode("\n- ", $extensions));
        $rc = 1;
    }
}
exit($rc);