add_char_to_string  340 Zend/zend_operators.h ZEND_API int add_char_to_string(zval *result, const zval *op1, const zval *op2);
add_char_to_string 2307 Zend/zend_vm_def.h 	add_char_to_string(str, str, opline->op2.zv);
add_char_to_string 9253 Zend/zend_vm_execute.h 	add_char_to_string(str, str, opline->op2.zv);
add_char_to_string 25469 Zend/zend_vm_execute.h 	add_char_to_string(str, str, opline->op2.zv);