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Diffstat (limited to 'ext/pcre/php_pcre.c')
-rw-r--r--ext/pcre/php_pcre.c54
1 files changed, 35 insertions, 19 deletions
diff --git a/ext/pcre/php_pcre.c b/ext/pcre/php_pcre.c
index ee25c3a0cf..63012dc1c6 100644
--- a/ext/pcre/php_pcre.c
+++ b/ext/pcre/php_pcre.c
@@ -1196,7 +1196,7 @@ PHPAPI char *php_pcre_replace_impl(pcre_cache_entry *pce, char *subject, int sub
/* {{{ php_replace_in_subject
*/
-static char *php_replace_in_subject(zval *regex, zval *replace, zval **subject, int *result_len, int limit, zend_bool is_callable_replace, int *replace_count TSRMLS_DC)
+static char *php_replace_in_subject(zval *regex, zval *replace, zval **subject, int *result_len, int limit, int is_callable_replace, int *replace_count TSRMLS_DC)
{
zval **regex_entry,
**replace_entry = NULL,
@@ -1284,7 +1284,7 @@ static char *php_replace_in_subject(zval *regex, zval *replace, zval **subject,
/* {{{ preg_replace_impl
*/
-static void preg_replace_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool is_callable_replace)
+static void preg_replace_impl(INTERNAL_FUNCTION_PARAMETERS, int is_callable_replace, int is_filter)
{
zval **regex,
**replace,
@@ -1298,8 +1298,7 @@ static void preg_replace_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool is_callabl
char *string_key;
ulong num_key;
char *callback_name;
- int replace_count=0;
- int *replace_count_ptr=NULL;
+ int replace_count=0, old_replace_count;
/* Get function parameters and do error-checking. */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ZZZ|lZ", &regex, &replace, &subject, &limit, &zcount) == FAILURE) {
@@ -1312,8 +1311,9 @@ static void preg_replace_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool is_callabl
}
SEPARATE_ZVAL(replace);
- if (Z_TYPE_PP(replace) != IS_ARRAY && (Z_TYPE_PP(replace) != IS_OBJECT || !is_callable_replace))
+ if (Z_TYPE_PP(replace) != IS_ARRAY && (Z_TYPE_PP(replace) != IS_OBJECT || !is_callable_replace)) {
convert_to_string_ex(replace);
+ }
if (is_callable_replace) {
if (!zend_is_callable(*replace, 0, &callback_name TSRMLS_CC)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Requires argument 2, '%s', to be a valid callback", callback_name);
@@ -1332,9 +1332,6 @@ static void preg_replace_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool is_callabl
if (ZEND_NUM_ARGS() > 3) {
limit_val = limit;
}
- if (ZEND_NUM_ARGS() > 4) {
- replace_count_ptr =& replace_count;
- }
if (Z_TYPE_PP(regex) != IS_ARRAY)
convert_to_string_ex(regex);
@@ -1348,10 +1345,12 @@ static void preg_replace_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool is_callabl
and add the result to the return_value array. */
while (zend_hash_get_current_data(Z_ARRVAL_PP(subject), (void **)&subject_entry) == SUCCESS) {
SEPARATE_ZVAL(subject_entry);
- if ((result = php_replace_in_subject(*regex, *replace, subject_entry, &result_len, limit_val, is_callable_replace, replace_count_ptr TSRMLS_CC)) != NULL) {
- /* Add to return array */
- switch(zend_hash_get_current_key(Z_ARRVAL_PP(subject), &string_key, &num_key, 0))
- {
+ old_replace_count = replace_count;
+ if ((result = php_replace_in_subject(*regex, *replace, subject_entry, &result_len, limit_val, is_callable_replace, &replace_count TSRMLS_CC)) != NULL) {
+ if (!is_filter || replace_count > old_replace_count) {
+ /* Add to return array */
+ switch(zend_hash_get_current_key(Z_ARRVAL_PP(subject), &string_key, &num_key, 0))
+ {
case HASH_KEY_IS_STRING:
add_assoc_stringl(return_value, string_key, result, result_len, 0);
break;
@@ -1359,17 +1358,25 @@ static void preg_replace_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool is_callabl
case HASH_KEY_IS_LONG:
add_index_stringl(return_value, num_key, result, result_len, 0);
break;
+ }
+ } else {
+ efree(result);
}
}
zend_hash_move_forward(Z_ARRVAL_PP(subject));
}
} else { /* if subject is not an array */
- if ((result = php_replace_in_subject(*regex, *replace, subject, &result_len, limit_val, is_callable_replace, replace_count_ptr TSRMLS_CC)) != NULL) {
- RETVAL_STRINGL(result, result_len, 0);
+ old_replace_count = replace_count;
+ if ((result = php_replace_in_subject(*regex, *replace, subject, &result_len, limit_val, is_callable_replace, &replace_count TSRMLS_CC)) != NULL) {
+ if (!is_filter || replace_count > old_replace_count) {
+ RETVAL_STRINGL(result, result_len, 0);
+ } else {
+ efree(result);
+ }
}
}
- if (replace_count_ptr) {
+ if (ZEND_NUM_ARGS() > 4) {
zval_dtor(*zcount);
ZVAL_LONG(*zcount, replace_count);
}
@@ -1377,19 +1384,27 @@ static void preg_replace_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool is_callabl
}
/* }}} */
-/* {{{ proto string preg_replace(mixed regex, mixed replace, mixed subject [, int limit [, int &count]])
+/* {{{ proto mixed preg_replace(mixed regex, mixed replace, mixed subject [, int limit [, int &count]])
Perform Perl-style regular expression replacement. */
static PHP_FUNCTION(preg_replace)
{
- preg_replace_impl(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
+ preg_replace_impl(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0, 0);
}
/* }}} */
-/* {{{ proto string preg_replace_callback(mixed regex, mixed callback, mixed subject [, int limit [, int &count]])
+/* {{{ proto mixed preg_replace_callback(mixed regex, mixed callback, mixed subject [, int limit [, int &count]])
Perform Perl-style regular expression replacement using replacement callback. */
static PHP_FUNCTION(preg_replace_callback)
{
- preg_replace_impl(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
+ preg_replace_impl(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1, 0);
+}
+/* }}} */
+
+/* {{{ proto mixed preg_filter(mixed regex, mixed replace, mixed subject [, int limit [, int &count]])
+ Perform Perl-style regular expression replacement and only return matches. */
+static PHP_FUNCTION(preg_filter)
+{
+ preg_replace_impl(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0, 1);
}
/* }}} */
@@ -1879,6 +1894,7 @@ static const zend_function_entry pcre_functions[] = {
PHP_FE(preg_match_all, arginfo_preg_match_all)
PHP_FE(preg_replace, arginfo_preg_replace)
PHP_FE(preg_replace_callback, arginfo_preg_replace_callback)
+ PHP_FE(preg_filter, arginfo_preg_replace)
PHP_FE(preg_split, arginfo_preg_split)
PHP_FE(preg_quote, arginfo_preg_quote)
PHP_FE(preg_grep, arginfo_preg_grep)