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Optimized constant lookup

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Dmitry Stogov 2014-04-25 00:56:15 +04:00
parent 0ca57dd1d3
commit df7ca608ce
9 changed files with 138 additions and 96 deletions
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17
ext/standard/basic_functions.c
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@ -3854,15 +3854,22 @@ PHP_MINFO_FUNCTION(basic) /* {{{ */
Given the name of a constant this function will return the constant's associated value */
PHP_FUNCTION(constant)
{
char *const_name;
int const_name_len;
zend_string *const_name;
zval *c;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &const_name, &const_name_len) == FAILURE) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "S", &const_name) == FAILURE) {
return;
}
if (!zend_get_constant_ex(const_name, const_name_len, return_value, NULL, ZEND_FETCH_CLASS_SILENT TSRMLS_CC)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Couldn't find constant %s", const_name);
c = zend_get_constant_ex(const_name, NULL, ZEND_FETCH_CLASS_SILENT TSRMLS_CC);
if (c) {
ZVAL_COPY_VALUE(return_value, c);
if (Z_CONSTANT_P(return_value)) {
zval_update_constant_ex(return_value, (void*)1, NULL TSRMLS_CC);
}
zval_copy_ctor(return_value);
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Couldn't find constant %s", const_name->val);
RETURN_NULL();
}
}