zend_do_boolean_and_begin  568 Zend/zend_compile.h void zend_do_boolean_and_begin(znode *expr1, znode *op_token TSRMLS_DC);
zend_do_boolean_and_begin  799 Zend/zend_language_parser.y 	|	expr T_BOOLEAN_AND { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); }
zend_do_boolean_and_begin  801 Zend/zend_language_parser.y 	|	expr T_LOGICAL_AND { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); }
zend_do_boolean_and_begin 1278 Zend/zend_language_parser.y 	|	isset_variables ',' { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } isset_variable { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); }