string_natural_compare_function_ex 146 ext/standard/php_string.h PHPAPI int string_natural_compare_function_ex(zval *result, zval *op1, zval *op2, zend_bool case_insensitive TSRMLS_DC); string_natural_compare_function_ex 5027 ext/standard/string.c return string_natural_compare_function_ex(result, op1, op2, 1 TSRMLS_CC); string_natural_compare_function_ex 5033 ext/standard/string.c return string_natural_compare_function_ex(result, op1, op2, 0 TSRMLS_CC);