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Merge branch 'PHP-8.3'
* PHP-8.3: Fix GH-13685: Unexpected null pointer in zend_string.h
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commit
47b6eabe37
@ -1859,6 +1859,11 @@ static zend_object_iterator *spl_filesystem_tree_get_iterator(zend_class_entry *
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}
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/* }}} */
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static ZEND_COLD void spl_filesystem_file_cannot_read(spl_filesystem_object *intern)
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{
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zend_throw_exception_ex(spl_ce_RuntimeException, 0, "Cannot read from file %s", ZSTR_VAL(intern->file_name));
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}
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static zend_result spl_filesystem_file_read_ex(spl_filesystem_object *intern, bool silent, zend_long line_add, bool csv)
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{
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char *buf;
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@ -1868,7 +1873,7 @@ static zend_result spl_filesystem_file_read_ex(spl_filesystem_object *intern, bo
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if (php_stream_eof(intern->u.file.stream)) {
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if (!silent) {
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zend_throw_exception_ex(spl_ce_RuntimeException, 0, "Cannot read from file %s", ZSTR_VAL(intern->file_name));
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spl_filesystem_file_cannot_read(intern);
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}
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return FAILURE;
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}
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@ -1923,10 +1928,10 @@ static bool is_line_empty(spl_filesystem_object *intern)
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|| (current_line_len == 2 && current_line[0] == '\r' && current_line[1] == '\n'))));
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}
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static zend_result spl_filesystem_file_read_csv(spl_filesystem_object *intern, char delimiter, char enclosure, int escape, zval *return_value) /* {{{ */
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static zend_result spl_filesystem_file_read_csv(spl_filesystem_object *intern, char delimiter, char enclosure, int escape, zval *return_value, bool silent) /* {{{ */
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{
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do {
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zend_result ret = spl_filesystem_file_read(intern, /* silent */ true, /* csv */ true);
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zend_result ret = spl_filesystem_file_read(intern, silent, /* csv */ true);
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if (ret != SUCCESS) {
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return ret;
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}
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@ -1952,19 +1957,21 @@ static zend_result spl_filesystem_file_read_csv(spl_filesystem_object *intern, c
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}
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/* }}} */
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/* Call to this function reads a line in a "silent" fashion and does not throw an exception */
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static zend_result spl_filesystem_file_read_line_ex(zval * this_ptr, spl_filesystem_object *intern) /* {{{ */
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static zend_result spl_filesystem_file_read_line_ex(zval * this_ptr, spl_filesystem_object *intern, bool silent) /* {{{ */
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{
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zval retval;
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/* 1) use fgetcsv? 2) overloaded call the function, 3) do it directly */
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if (SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_READ_CSV)) {
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return spl_filesystem_file_read_csv(intern, intern->u.file.delimiter, intern->u.file.enclosure, intern->u.file.escape, NULL);
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return spl_filesystem_file_read_csv(intern, intern->u.file.delimiter, intern->u.file.enclosure, intern->u.file.escape, NULL, silent);
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}
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if (intern->u.file.func_getCurr->common.scope != spl_ce_SplFileObject) {
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spl_filesystem_file_free_line(intern);
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if (php_stream_eof(intern->u.file.stream)) {
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if (!silent) {
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spl_filesystem_file_cannot_read(intern);
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}
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return FAILURE;
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}
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zend_call_method_with_0_params(Z_OBJ_P(this_ptr), Z_OBJCE_P(this_ptr), &intern->u.file.func_getCurr, "getCurrentLine", &retval);
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@ -1988,18 +1995,17 @@ static zend_result spl_filesystem_file_read_line_ex(zval * this_ptr, spl_filesys
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zval_ptr_dtor(&retval);
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return SUCCESS;
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} else {
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return spl_filesystem_file_read(intern, /* silent */ true, /* csv */ false);
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return spl_filesystem_file_read(intern, silent, /* csv */ false);
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}
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} /* }}} */
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/* Call to this function reads a line in a "silent" fashion and does not throw an exception */
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static zend_result spl_filesystem_file_read_line(zval * this_ptr, spl_filesystem_object *intern) /* {{{ */
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static zend_result spl_filesystem_file_read_line(zval * this_ptr, spl_filesystem_object *intern, bool silent) /* {{{ */
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{
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zend_result ret = spl_filesystem_file_read_line_ex(this_ptr, intern);
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zend_result ret = spl_filesystem_file_read_line_ex(this_ptr, intern, silent);
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while (SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_SKIP_EMPTY) && ret == SUCCESS && is_line_empty(intern)) {
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spl_filesystem_file_free_line(intern);
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ret = spl_filesystem_file_read_line_ex(this_ptr, intern);
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ret = spl_filesystem_file_read_line_ex(this_ptr, intern, silent);
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}
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return ret;
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@ -2021,7 +2027,7 @@ static void spl_filesystem_file_rewind(zval * this_ptr, spl_filesystem_object *i
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intern->u.file.current_line_num = 0;
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if (SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_READ_AHEAD)) {
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spl_filesystem_file_read_line(this_ptr, intern);
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spl_filesystem_file_read_line(this_ptr, intern, true);
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}
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} /* }}} */
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@ -2175,7 +2181,7 @@ PHP_METHOD(SplFileObject, current)
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CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
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if (!intern->u.file.current_line && Z_ISUNDEF(intern->u.file.current_zval)) {
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spl_filesystem_file_read_line(ZEND_THIS, intern);
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spl_filesystem_file_read_line(ZEND_THIS, intern, true);
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}
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if (intern->u.file.current_line && (!SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_READ_CSV) || Z_ISUNDEF(intern->u.file.current_zval))) {
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RETURN_STRINGL(intern->u.file.current_line, intern->u.file.current_line_len);
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@ -2214,7 +2220,7 @@ PHP_METHOD(SplFileObject, next)
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spl_filesystem_file_free_line(intern);
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if (SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_READ_AHEAD)) {
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spl_filesystem_file_read_line(ZEND_THIS, intern);
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spl_filesystem_file_read_line(ZEND_THIS, intern, true);
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}
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intern->u.file.current_line_num++;
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} /* }}} */
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@ -2332,7 +2338,7 @@ PHP_METHOD(SplFileObject, fgetcsv)
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}
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}
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if (spl_filesystem_file_read_csv(intern, delimiter, enclosure, escape, return_value) == FAILURE) {
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if (spl_filesystem_file_read_csv(intern, delimiter, enclosure, escape, return_value, true) == FAILURE) {
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RETURN_FALSE;
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}
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}
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@ -2713,7 +2719,7 @@ PHP_METHOD(SplFileObject, seek)
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spl_filesystem_file_rewind(ZEND_THIS, intern);
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for (i = 0; i < line_pos; i++) {
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if (spl_filesystem_file_read_line(ZEND_THIS, intern) == FAILURE) {
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if (spl_filesystem_file_read_line(ZEND_THIS, intern, true) == FAILURE) {
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return;
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}
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}
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@ -2733,8 +2739,12 @@ PHP_METHOD(SplFileObject, __toString)
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CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
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if (!intern->u.file.current_line && Z_ISUNDEF(intern->u.file.current_zval)) {
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spl_filesystem_file_read_line(ZEND_THIS, intern);
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if (!intern->u.file.current_line) {
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ZEND_ASSERT(Z_ISUNDEF(intern->u.file.current_zval));
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zend_result result = spl_filesystem_file_read_line(ZEND_THIS, intern, false);
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if (UNEXPECTED(result != SUCCESS)) {
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RETURN_THROWS();
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}
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}
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RETURN_STRINGL(intern->u.file.current_line, intern->u.file.current_line_len);
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52
ext/spl/tests/gh13685.phpt
Normal file
52
ext/spl/tests/gh13685.phpt
Normal file
@ -0,0 +1,52 @@
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--TEST--
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GH-13685 (Unexpected null pointer in zend_string.h)
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--FILE--
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<?php
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$contents = <<<EOS
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"A", "B", "C"
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"D", "E", "F"
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EOS;
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echo "--- Directly call fgetcsv ---\n";
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$file = new SplTempFileObject;
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$file->fwrite($contents);
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$file->rewind();
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while (($data = $file->fgetcsv(',', '"', ''))) {
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var_dump((string) $file);
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}
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try {
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var_dump((string) $file);
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} catch (Exception $e) {
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echo $e->getMessage(), "\n";
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}
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echo "--- Use csv control ---\n";
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$file = new SplTempFileObject;
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$file->fwrite($contents);
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$file->rewind();
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$file->setFlags(SplFileObject::READ_CSV);
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$file->setCsvControl(',', '"', '');
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foreach ($file as $row) {
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var_dump((string) $file);
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}
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try {
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var_dump((string) $file);
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} catch (Exception $e) {
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echo $e->getMessage(), "\n";
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}
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?>
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--EXPECT--
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--- Directly call fgetcsv ---
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string(14) ""A", "B", "C"
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"
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string(13) ""D", "E", "F""
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Cannot read from file php://temp
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--- Use csv control ---
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string(14) ""A", "B", "C"
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"
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string(13) ""D", "E", "F""
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Cannot read from file php://temp
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