php – 使用正则表达式和四行上下文匹配搜索
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例如,我有这样的代码：
<?php
/**
* Order
*
* The WooCommerce order class handles order data.
*
* @class WC_Order
* @version 1.6.4
* @package WooCommerce/Classes
* @category Class
* @author WooThemes
*/
class WC_Order {
/** @public int Order (post) ID */
public $id;
/** @public string Order status. */
public $status;
/** @public string Order date (placed). */
public $order_date;
/** @public string Order date (paid). */
public $modified_date;
/** @public string Note added by the customer. */
public $customer_note;
/** @public array Order (post) meta/custom fields. */
public $order_custom_fields;
global $wpdb, $woocommerce;
if ( empty( $type ) )
$type = array( 'line_item' );
if ( ! is_array( $type ) )
$type = array( $type );
$items = $this->get_items( $type );
$count = 0;
foreach ( $items as $item ) {
if ( ! empty( $item['qty'] ) )
$count += $item['qty'];
else
$count ++;
}
return apply_filters( 'woocommerce_get_item_count', $count, $type, $this );
}
/**
* Return an array of fees within this order.
*
* @access public
* @return array
*/
public function get_fees() {
return $this->get_items( 'fee' );
}
/**
* Return an array of taxes within this order.
*
* @access public
* @return void
*/
public function get_taxes() {
return $this->get_items( 'tax' );
}
/**
* Get taxes, merged by code, formatted ready for output.
*
* @access public
* @return void
*/
public function get_tax_totals() {
$taxes = $this->get_items( 'tax' );
$tax_totals = array();
foreach ( $taxes as $key => $tax ) {
$code = $tax[ 'name' ];
if ( ! isset( $tax_totals[ $code ] ) ) {
$tax_totals[ $code ] = new stdClass();
$tax_totals[ $code ]->amount = 0;
}
$tax_totals[ $code ]->is_compound = $tax[ 'compound' ];
$tax_totals[ $code ]->label = isset( $tax[ 'label' ] ) ? $tax[ 'label' ] : $tax[ 'name' ];
$tax_totals[ $code ]->amount += $tax[ 'tax_amount' ] + $tax[ 'shipping_tax_amount' ];
$tax_totals[ $code ]->formatted_amount = woocommerce_price( $tax_totals[ $code ]->amount );
}
return apply_filters( 'woocommerce_order_tax_totals', $tax_totals, $this );
}
/**
* has_meta function for order items.
*
* @access public
* @return array of meta data
*/
public function has_meta( $order_item_id ) {
global $wpdb;
return $wpdb->get_results( $wpdb->prepare("SELECT meta_key, meta_value, meta_id, order_item_id
FROM {$wpdb->prefix}woocommerce_order_itemmeta WHERE order_item_id = %d
ORDER BY meta_key,meta_id", absint( $order_item_id ) ), ARRAY_A );
}
/**
* Get order item meta.
*
* @access public
* @param mixed $item_id
* @param string $key (default: '')
* @param bool $single (default: false)
* @return void
*/
public function get_item_meta( $order_item_id, $key = '', $single = false ) {
return get_metadata( 'order_item', $order_item_id, $key, $single );
}
我想匹配所有Wordpress钩子：“do_action”和“apply_filters”有三个选项：
apply_filters(‘woocommerce_order_tax_totals’,$tax_totals,$this),文件,行号
我可以在这里看到我正在尝试做的一个例子：
http://etivite.com/api-hooks/buddypress/trigger/apply_filters/bp_get_total_mention_count_for_user/
http://adambrown.info/p/wp_hooks/hook/activated_plugin?version=3.6&file=wp-admin/includes/plugin.php
我确实试图把事情搞砸但没有成功：
<?php
$path = $_SERVER['DOCUMENT_ROOT'] . '/wp-content/plugins/iphorm-form-builder';
foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path)) as $filename) {
if (substr($filename, -3) == 'php') {
$file = file($filename);
if ($file !== false) {
$matches1 = preg_grep( '/do_action\((.+)\);/', $file);
$matches2 = preg_grep( '/apply_filters\((.+)\);/', $file );
$arr = array_filter(array_merge($matches1, $matches2));
$out = '';
echo "found in $filename:";
echo "<pre>";
foreach ($arr as $key => $value) {
$out .= $file[$key-2];
$out .= $file[$key-1];
$out .= $file[$key];
$out .= $file[$key+1];
$out .= $file[$key+2];
}
echo htmlentities($out);
echo "</pre>";
} else {
echo "failed reading to array";
}
}
}
解决方法:
这可以通过利用内置的shell命令非常简单地完成.
<?php
$path = $_SERVER['DOCUMENT_ROOT'] . '/wp-content/plugins/iphorm-form-builder';
foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path)) as $filename) {
if (substr($filename, -3) == 'php') {
$context = shell_exec('grep -H -n -C4 do_action ' . escapeshellarg($filename));
if (!empty($context)) {
echo "found in $filename:";
echo "<pre>";
echo htmlentities($context);
echo "</pre>";
} else {
echo "failed reading to array";
}
}
}
相关文件：
Execute command via shell and return the complete output as a string
Escape a string to be used as a shell argument
06001
编辑
根据项目中的目录和文件数量,可能不具备高效性.您基本上是在每个文件的新shell中创建一个新进程.那不是很好.如果您希望获得大量数据并稍后解析,请执行以下操作：
<?php
$path = $_SERVER['DOCUMENT_ROOT'] . '/wp-content/plugins/iphorm-form-builder';
$grep = shell_exec('grep --include=*.php -RHn -C4 do_action ' . escapeshellarg($path));
$matches = explode("\n--\n", $grep);
if (empty($matches)) {
echo "failed reading to array";
}
else {
foreach ($matches as $match) {
echo "<pre>";
echo htmlentities($match);
echo "</pre>";
}
}
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