diff --git a/HISTORY b/HISTORY
index c200413..c37feb9 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,6 +1,7 @@
 
-Version 1.35  2017-02-09
+Version 1.35  2017-02-15
   * logger judge log_level in function log_it_ex and log_it_ex1
+  * add php extension function: fastcommon_file_put_contents
 
 Version 1.34  2017-02-06
   * ini_file_reader: LOCAL_IP support CIDR addresses
diff --git a/php-fastcommon/fastcommon.c b/php-fastcommon/fastcommon.c
index b375b31..cfb7330 100644
--- a/php-fastcommon/fastcommon.c
+++ b/php-fastcommon/fastcommon.c
@@ -1,5 +1,7 @@
 #include "php7_ext_wrapper.h"
 #include "ext/standard/info.h"
+#include "ext/standard/file.h"
+#include "ext/standard/flock_compat.h"
 #include <zend_extensions.h>
 #include <zend_exceptions.h>
 #include <string.h>
@@ -36,11 +38,25 @@ typedef struct {
     int alloc;
     int count;
     LogContext *contexts;
-} LoggerArray;
+} PHPLoggerArray;
 
-static LoggerArray logger_array = {0, 0, NULL};
+typedef struct {
+    char *filename;
+    int fd;
+} PHPFileContext;
+
+typedef struct {
+    int alloc;
+    int count;
+    PHPFileContext *contexts;
+} PHPFileArray;
+
+static PHPLoggerArray logger_array = {0, 0, NULL};
+static PHPFileArray file_array = {0, 0, NULL};
 static zval php_error_log;
+static zval php_file_put_contents;
 static zval *error_log_func = NULL;
+static zval *file_put_contents_func = NULL;
 
 #if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION < 3)
 const zend_fcall_info empty_fcall_info = { 0, NULL, NULL, NULL, NULL, 0, NULL, NULL, 0 };
@@ -69,6 +85,7 @@ const zend_fcall_info empty_fcall_info = { 0, NULL, NULL, NULL, NULL, 0, NULL, N
 		ZEND_FE(fastcommon_get_cpu_count, NULL)
 		ZEND_FE(fastcommon_get_sysinfo, NULL)
 		ZEND_FE(fastcommon_error_log, NULL)
+		ZEND_FE(fastcommon_file_put_contents, NULL)
 		{NULL, NULL, NULL}  /* Must be the last line */
 	};
 
@@ -147,11 +164,23 @@ PHP_MINIT_FUNCTION(fastcommon)
 PHP_MSHUTDOWN_FUNCTION(fastcommon)
 {
     if (logger_array.count > 0) {
-        LogContext *ctx;
-        LogContext *end;
-        end = logger_array.contexts + logger_array.count;
-        for (ctx=logger_array.contexts; ctx<end; ctx++) {
-            log_destroy_ex(ctx);
+        LogContext *lctx;
+        LogContext *lend;
+        lend = logger_array.contexts + logger_array.count;
+        for (lctx=logger_array.contexts; lctx<lend; lctx++) {
+            log_destroy_ex(lctx);
+        }
+    }
+
+    if (file_array.count > 0) {
+        PHPFileContext *fctx;
+        PHPFileContext *fend;
+        fend = file_array.contexts + file_array.count;
+        for (fctx=file_array.contexts; fctx<fend; fctx++) {
+            if (fctx->fd >= 0) {
+                close(fctx->fd);
+                fctx->fd = -1;
+            }
         }
     }
 
@@ -1042,6 +1071,214 @@ ZEND_FUNCTION(fastcommon_error_log)
                     Z_STRVAL_P(error_log_func));
             RETURN_BOOL(false);
         }
-        RETURN_BOOL(true);
+    }
+}
+
+static PHPFileContext *fetch_file_context(const char *filename)
+{
+    PHPFileContext *ctx;
+    PHPFileContext *end;
+
+    if (file_array.count == 0) {
+        return NULL;
+    }
+
+    end = file_array.contexts + file_array.count;
+    for (ctx=file_array.contexts; ctx<end; ctx++) {
+        if (strcmp(ctx->filename, filename) == 0) {
+            return ctx;
+        }
+    }
+    return NULL;
+}
+
+static int fc_open_file(PHPFileContext *ctx)
+{
+	if ((ctx->fd = open(ctx->filename, O_WRONLY |
+				O_CREAT | O_APPEND, 0644)) < 0)
+    {
+        logError("file: "__FILE__", line: %d, "
+                "open file \"%s\" to write fail, "
+                "errno: %d, error info: %s", __LINE__,
+                ctx->filename, errno, strerror(errno));
+		return errno != 0 ? errno : EACCES;
+	}
+
+    return 0;
+}
+
+static PHPFileContext *alloc_file_context(const char *filename)
+{
+    PHPFileContext *ctx;
+    if (file_array.alloc <= file_array.count) {
+        int alloc;
+        int bytes;
+        PHPFileContext *contexts;
+
+        alloc = file_array.alloc == 0 ? 4 : 2 * file_array.alloc;
+        bytes = sizeof(PHPFileContext) * alloc;
+        contexts = (PHPFileContext *)malloc(bytes);
+        if (contexts == NULL) {
+            logError("file: "__FILE__", line: %d, "
+                    "malloc %d bytes fail", __LINE__, bytes);
+            return NULL;
+        }
+
+        if (file_array.count > 0) {
+            memcpy(contexts, file_array.contexts,
+                    sizeof(PHPFileContext) * file_array.count);
+            free(file_array.contexts);
+        }
+        file_array.contexts = contexts;
+        file_array.alloc = alloc;
+    }
+
+    ctx = file_array.contexts + file_array.count;
+    ctx->filename = strdup(filename);
+    if (ctx->filename == NULL) {
+        logError("file: "__FILE__", line: %d, "
+                "strdup %d bytes fail",
+                __LINE__, (int)strlen(filename));
+        return NULL;
+    }
+    file_array.count++;
+
+    if (fc_open_file(ctx) != 0) {
+        return NULL;
+    }
+    return ctx;
+}
+
+static PHPFileContext *fc_get_file_context(const char *filename)
+{
+    PHPFileContext *ctx;
+    if ((ctx=fetch_file_context(filename)) != NULL) {
+        if (ctx->fd < 0) {
+            if (fc_open_file(ctx) != 0) {
+                return NULL;
+            }
+        }
+        return ctx;
+    }
+
+    return alloc_file_context(filename);
+}
+
+static int fc_file_put_contents(const char *filename,
+        const char *data, const int data_len, const long flags)
+{
+    PHPFileContext *ctx;
+    int bytes;
+
+    ctx = fc_get_file_context(filename);
+    if (ctx == NULL) {
+        return -1;
+    }
+
+    if ((flags & PHP_LOCK_EX) != 0) {
+        bytes = fc_lock_write(ctx->fd, data, data_len);
+    } else {
+        bytes = fc_safe_write(ctx->fd, data, data_len);
+    }
+    if (bytes < 0) {
+        logError("file: "__FILE__", line: %d, "
+                "write to file %s fail, errno: %d, error info: %s",
+                __LINE__, filename, errno, strerror(errno));
+        close(ctx->fd);
+        ctx->fd = -1;
+    }
+    return bytes;
+}
+
+/*
+int fastcommon_file_put_contents(string $filename , mixed $data
+        [, int $flags = 0, resource $context])
+return the number of bytes that were written to the file, or FALSE on failure
+*/
+ZEND_FUNCTION(fastcommon_file_put_contents)
+{
+    int argc;
+    long flags;
+    zval *zdata;
+    char *filename;
+    zval *zcontext;
+    zend_size_t filename_len;
+
+    argc = ZEND_NUM_ARGS();
+    if (argc < 2) {
+        logError("file: "__FILE__", line: %d, "
+                "fastcommon_file_put_contents parameters count: %d is invalid",
+                __LINE__, argc);
+        RETURN_BOOL(false);
+    }
+
+    flags = 0;
+    zcontext = NULL;
+    if (zend_parse_parameters(argc TSRMLS_CC, "sz|lz",
+                &filename, &filename_len, &zdata,
+                &flags, &zcontext) == FAILURE)
+    {
+        logError("file: "__FILE__", line: %d, "
+                "zend_parse_parameters fail!", __LINE__);
+        RETURN_BOOL(false);
+    }
+
+    if ((flags == PHP_FILE_APPEND || flags == (PHP_FILE_APPEND | PHP_LOCK_EX))
+        && (Z_TYPE_P(zdata) == IS_STRING) && (zcontext == NULL))
+    {
+        int bytes;
+        if ((bytes=fc_file_put_contents(filename, Z_STRVAL_P(zdata),
+                    Z_STRLEN_P(zdata), flags)) >= 0)
+        {
+            RETURN_LONG(bytes);
+        } else {
+            RETURN_BOOL(false);
+        }
+    }
+
+    {
+        int result;
+        zval *args[4];
+        zval zflags;
+        zval zfilename;
+#if PHP_MAJOR_VERSION >= 7
+        zend_string *sz_filename = NULL;
+        bool use_heap_filename = false;
+#endif
+
+        if (file_put_contents_func == NULL) {
+            file_put_contents_func = &php_file_put_contents;
+            INIT_ZVAL(php_file_put_contents);
+            ZEND_ZVAL_STRINGL(&php_file_put_contents, "file_put_contents",
+                    sizeof("file_put_contents") - 1, 1);
+        }
+
+        FASTCOMMON_INIT_ZSTRING(zfilename, filename, filename_len);
+
+        INIT_ZVAL(zflags);
+        ZVAL_LONG(&zflags, flags);
+
+        if (zcontext == NULL) {
+            zval ctx;
+            zcontext = &ctx;
+            INIT_ZVAL(*zcontext);
+            ZVAL_NULL(zcontext);
+        }
+
+        args[0] = &zfilename;
+        args[1] = zdata;
+        args[1] = &zflags;
+        args[3] = zcontext;
+        result = zend_call_user_function_wrapper(EG(function_table), NULL,
+                    file_put_contents_func, return_value, 4, args TSRMLS_CC);
+#if PHP_MAJOR_VERSION >= 7
+        FASTCOMMON_ALLOCA_FREE(filename);
+#endif
+        if (result == FAILURE) {
+            logError("file: "__FILE__", line: %d, "
+                    "call function: %s fail", __LINE__,
+                    Z_STRVAL_P(file_put_contents_func));
+            RETURN_BOOL(false);
+        }
     }
 }
diff --git a/php-fastcommon/fastcommon.h b/php-fastcommon/fastcommon.h
index 091e4dd..83b56a5 100644
--- a/php-fastcommon/fastcommon.h
+++ b/php-fastcommon/fastcommon.h
@@ -37,6 +37,7 @@ ZEND_FUNCTION(fastcommon_get_cpu_count);
 ZEND_FUNCTION(fastcommon_get_sysinfo);
 
 ZEND_FUNCTION(fastcommon_error_log);
+ZEND_FUNCTION(fastcommon_file_put_contents);
 
 #ifdef __cplusplus
 }
diff --git a/php-fastcommon/test_error_log.php b/php-fastcommon/test_error_log.php
index e4e07b5..246fbb4 100644
--- a/php-fastcommon/test_error_log.php
+++ b/php-fastcommon/test_error_log.php
@@ -3,7 +3,7 @@
 function test_fastcommon_error_log()
 {
     $start = microtime(true);
-    for ($i=0; $i<10240; $i++)
+    for ($i=0; $i<102400; $i++)
     {
         fastcommon_error_log("this is a test\n", 3, "/tmp/test.log");
         fastcommon_error_log("this is a test11\n", 3, "/tmp/test1.log", FASTCOMMON_LOG_TIME_PRECISION_MSECOND);
@@ -24,7 +24,7 @@ function test_fastcommon_error_log()
 function test_error_log()
 {
     $start = microtime(true);
-    for ($i=0; $i<10240; $i++)
+    for ($i=0; $i<102400; $i++)
     {
         error_log("this is a test\n", 3, "/tmp/test.log");
         error_log("this is a test11\n", 3, "/tmp/test1.log", FASTCOMMON_LOG_TIME_PRECISION_MSECOND);
@@ -43,5 +43,8 @@ function test_error_log()
 }
 
 test_fastcommon_error_log();
+echo "sleep ...\n";
+sleep(2);
+echo "sleep done.\n";
 test_error_log();
 
diff --git a/php-fastcommon/test_file_put_contents.php b/php-fastcommon/test_file_put_contents.php
new file mode 100644
index 0000000..25e83a5
--- /dev/null
+++ b/php-fastcommon/test_file_put_contents.php
@@ -0,0 +1,50 @@
+<?php
+
+function test_fastcommon_file_put_contents()
+{
+    $start = microtime(true);
+    for ($i=0; $i<102400; $i++)
+    {
+        fastcommon_file_put_contents("/tmp/test.log", "this is a test\n", FILE_APPEND);
+        fastcommon_file_put_contents("/tmp/test1.log", "this is a test11\n", FILE_APPEND);
+        fastcommon_file_put_contents("/tmp/test1.log", "this is a test12\n", FILE_APPEND);
+        fastcommon_file_put_contents("/tmp/test2.log", "this is a test21\n", FILE_APPEND);
+        fastcommon_file_put_contents("/tmp/test2.log", "this is a test22\n", FILE_APPEND);
+        fastcommon_file_put_contents("/tmp/test2.log", "this is a test23\n", FILE_APPEND);
+        fastcommon_file_put_contents("/tmp/test3.log", "this is a test31\n", FILE_APPEND);
+        fastcommon_file_put_contents("/tmp/test3.log", "this is a test32\n", FILE_APPEND);
+        fastcommon_file_put_contents("/tmp/test3.log", "this is a test33\n", FILE_APPEND);
+    }
+
+    $end = microtime(true);
+    $timeUsed = round($end - $start, 3);
+    echo "fastcommon_file_put_contents time used: $timeUsed\n";
+}
+
+function test_file_put_contents()
+{
+    $start = microtime(true);
+    for ($i=0; $i<102400; $i++)
+    {
+        file_put_contents("/tmp/test.log", "this is a test\n", FILE_APPEND);
+        file_put_contents("/tmp/test1.log", "this is a test11\n", FILE_APPEND);
+        file_put_contents("/tmp/test1.log", "this is a test12\n", FILE_APPEND);
+        file_put_contents("/tmp/test2.log", "this is a test21\n", FILE_APPEND);
+        file_put_contents("/tmp/test2.log", "this is a test22\n", FILE_APPEND);
+        file_put_contents("/tmp/test2.log", "this is a test23\n", FILE_APPEND);
+        file_put_contents("/tmp/test3.log", "this is a test31\n", FILE_APPEND);
+        file_put_contents("/tmp/test3.log", "this is a test32\n", FILE_APPEND);
+        file_put_contents("/tmp/test3.log", "this is a test33\n", FILE_APPEND);
+    }
+
+    $end = microtime(true);
+    $timeUsed = round($end - $start, 3);
+    echo "file_put_contents time used: $timeUsed\n";
+}
+
+test_file_put_contents();
+echo "sleep ...\n";
+sleep(2);
+echo "sleep done.\n";
+test_fastcommon_file_put_contents();
+
diff --git a/src/io_opt.c b/src/io_opt.c
index 540ccf4..45a95eb 100644
--- a/src/io_opt.c
+++ b/src/io_opt.c
@@ -15,7 +15,7 @@
 
 #include "io_opt.h"
 
-int mkdir_by_cascading(const char *path,mode_t mode)
+int mkdir_by_cascading(const char *path, mode_t mode)
 {
 	int length,pointer_postion = 0;
 	char *postion;
diff --git a/src/io_opt.h b/src/io_opt.h
index cf7b4d7..662707e 100644
--- a/src/io_opt.h
+++ b/src/io_opt.h
@@ -25,7 +25,7 @@
  * 				-3 : malloc memory to subfolder is error
  * 				-4 : create dir is error;
  */
-int mkdir_by_cascading(const char *path,mode_t mode);
+int mkdir_by_cascading(const char *path, mode_t mode);
 
 /*
  * check the first parameter is the dir
diff --git a/src/shared_func.c b/src/shared_func.c
index 5189e3b..c1e46de 100644
--- a/src/shared_func.c
+++ b/src/shared_func.c
@@ -2446,3 +2446,62 @@ bool isTrailingSpacesLine(const char *tail, const char *end)
     }
     return (p == end || *p == '\n');
 }
+
+ssize_t fc_safe_write(int fd, const char *buf, const size_t nbyte)
+{
+    int n;
+    int remain;
+    const char *p;
+
+    n = write(fd, buf, nbyte);
+    if (n < 0)
+    {
+        if (errno != EINTR)
+        {
+            return -1;
+        }
+        n = 0;
+    }
+    else if (n == nbyte)
+    {
+        return nbyte;
+    }
+
+    p = buf + n;
+    remain = nbyte - n;
+    while (remain > 0)
+    {
+        n = write(fd, p, remain);
+        if (n < 0)
+        {
+            int written;
+            if (errno == EINTR)
+            {
+                continue;
+            }
+
+            written = nbyte - remain;
+            return written > 0 ? written : -1;
+        }
+
+        p += n;
+        remain -= n;
+    }
+
+    return nbyte;
+}
+
+ssize_t fc_lock_write(int fd, const char *buf, const size_t nbyte)
+{
+    int lock_result;
+    int result;
+
+    lock_result = file_write_lock(fd);
+    result = fc_safe_write(fd, buf, nbyte);
+    if (lock_result == 0)
+    {
+        file_unlock(fd);
+    }
+
+    return result;
+}
diff --git a/src/shared_func.h b/src/shared_func.h
index 8ed0be9..034e441 100644
--- a/src/shared_func.h
+++ b/src/shared_func.h
@@ -624,9 +624,26 @@ bool isLeadingSpacesLine(const char *content, const char *current);
 */
 bool isTrailingSpacesLine(const char *tail, const char *end);
 
+/** write to file
+ *  parameters:
+ *  	fd: the fd to write
+ *  	buf: the buffer
+ *  	nbyte: the buffer length
+ *  return: written bytes for success, -1 when fail
+*/
+ssize_t fc_safe_write(int fd, const char *buf, const size_t nbyte);
+
+/** lock and write to file
+ *  parameters:
+ *  	fd: the fd to write
+ *  	buf: the buffer
+ *  	nbyte: the buffer length
+ *  return: written bytes for success, -1 when fail
+*/
+ssize_t fc_lock_write(int fd, const char *buf, const size_t nbyte);
+
 #ifdef __cplusplus
 }
 #endif
 
 #endif
-