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jaychouqq/yingshi/php/_bridge.php

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+<?php
+// _bridge.php
+// Bridge script to call PHP spider methods from Node.js
+// Usage: php _bridge.php <file_path> <method_name> <env_json> <arg1_json> <arg2_json> ...
+
+// Disable error output to stdout to avoid breaking JSON
+ini_set('display_errors', 0);
+error_reporting(E_ALL);
+date_default_timezone_set('Asia/Shanghai');
+
+define('DRPY_BRIDGE', true);
+
+// Helper to send JSON response
+function sendResponse($data) {
+    // Ensure data is UTF-8 encoded
+    // echo json_encode($data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+    echo json_encode($data, JSON_UNESCAPED_UNICODE);
+    exit(0);
+}
+
+// Helper to send Error response
+function sendError($message, $trace = '') {
+    echo json_encode([
+        'error' => $message,
+        'traceback' => $trace
+    ], JSON_UNESCAPED_UNICODE);
+    exit(1);
+}
+
+// Set global error handler to catch warnings/notices and prevent them from corrupting stdout
+set_error_handler(function($errno, $errstr, $errfile, $errline) {
+    // We can log errors to stderr so they don't mess up stdout JSON
+    fwrite(STDERR, "PHP Error [$errno]: $errstr in $errfile on line $errline\n");
+    return false; // Let normal error handler continue (but display_errors is 0 so no stdout)
+});
+
+// Set exception handler
+set_exception_handler(function($e) {
+    sendError($e->getMessage(), $e->getTraceAsString());
+});
+
+try {
+    // 1. Parse Arguments
+    if ($argc < 4) {
+        throw new Exception("Invalid arguments. Usage: php _bridge.php <file> <method> <env> [args...]");
+    }
+
+    $filePath = $argv[1];
+    $methodName = $argv[2];
+    $envJson = $argv[3];
+    $env = json_decode($envJson, true) ?? [];
+
+    $args = [];
+    for ($i = 4; $i < $argc; $i++) {
+        // Args are passed as individual JSON strings
+        $args[] = json_decode($argv[$i], true);
+    }
+
+    // 2. Load File
+    if (!file_exists($filePath)) {
+        throw new Exception("File not found: $filePath");
+    }
+
+    // Capture any output during require (e.g. trailing newlines or echoes in file)
+    ob_start();
+    require_once $filePath;
+    $output = ob_get_clean();
+    if (trim($output) !== '') {
+        fwrite(STDERR, "Output during require: $output\n");
+    }
+
+    if (!class_exists('Spider')) {
+        throw new Exception("Class 'Spider' not found in $filePath");
+    }
+
+    // 3. Instantiate Spider
+    $spider = new Spider();
+
+    // AUTO-INIT: Call init() before any other method if it's not init itself
+    if ($methodName !== 'init' && method_exists($spider, 'init')) {
+        $extend = $env['ext'] ?? '';
+        $spider->init($extend);
+    }
+
+    // 4. Check Method
+    if (!method_exists($spider, $methodName)) {
+        // If the method doesn't exist, we might be calling a mapped method that isn't implemented.
+        // Or maybe we should check for magic method __call?
+        // For now, throw error.
+        throw new Exception("Method '$methodName' not found in Spider class");
+    }
+
+    // 5. Call Method
+    $result = call_user_func_array([$spider, $methodName], $args);
+
+    // 6. Return Result
+    sendResponse($result);
+
+} catch (Throwable $e) {
+    sendError($e->getMessage(), $e->getTraceAsString());
+}