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Small optimization of the date() function
This commit is contained in:
Ilia Alshanetsky
parent
a7faaa1b14
commit
7772e33ace
1
NEWS
1
NEWS
@ -1,6 +1,7 @@
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PHP NEWS
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?? Dec 2006, PHP 5.2.1RC2
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- Small optimization of the date() function (Matt,Ilia)
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- Removed dependency from SHELL32.DLL. (Dmitry)
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- Added function stream_socket_shutdown(). It is a wraper for system shutdown()
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function, that shut downs part of a full-duplex connection. (Dmitry)
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@ -704,7 +704,7 @@ char *php_date_short_day_name(timelib_sll y, timelib_sll m, timelib_sll d)
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static char *date_format(char *format, int format_len, timelib_time *t, int localtime)
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{
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smart_str string = {0};
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int i;
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int i, length;
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char buffer[33];
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timelib_time_offset *offset = NULL;
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timelib_sll isoweek, isoyear;
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@ -735,72 +735,71 @@ static char *date_format(char *format, int format_len, timelib_time *t, int loca
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offset = timelib_get_time_zone_info(t->sse, t->tz_info);
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}
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}
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buffer[32] = '\0';
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timelib_isoweek_from_date(t->y, t->m, t->d, &isoweek, &isoyear);
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for (i = 0; i < format_len; i++) {
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switch (format[i]) {
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/* day */
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case 'd': snprintf(buffer, 32, "%02d", (int) t->d); break;
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case 'D': snprintf(buffer, 32, "%s", php_date_short_day_name(t->y, t->m, t->d)); break;
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case 'j': snprintf(buffer, 32, "%d", (int) t->d); break;
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case 'l': snprintf(buffer, 32, "%s", php_date_full_day_name(t->y, t->m, t->d)); break;
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case 'S': snprintf(buffer, 32, "%s", english_suffix(t->d)); break;
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case 'w': snprintf(buffer, 32, "%d", (int) timelib_day_of_week(t->y, t->m, t->d)); break;
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case 'N': snprintf(buffer, 32, "%d", (int) timelib_iso_day_of_week(t->y, t->m, t->d)); break;
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case 'z': snprintf(buffer, 32, "%d", (int) timelib_day_of_year(t->y, t->m, t->d)); break;
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case 'd': length = snprintf(buffer, 32, "%02d", (int) t->d); break;
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case 'D': length = snprintf(buffer, 32, "%s", php_date_short_day_name(t->y, t->m, t->d)); break;
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case 'j': length = snprintf(buffer, 32, "%d", (int) t->d); break;
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case 'l': length = snprintf(buffer, 32, "%s", php_date_full_day_name(t->y, t->m, t->d)); break;
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case 'S': length = snprintf(buffer, 32, "%s", english_suffix(t->d)); break;
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case 'w': length = snprintf(buffer, 32, "%d", (int) timelib_day_of_week(t->y, t->m, t->d)); break;
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case 'N': length = snprintf(buffer, 32, "%d", (int) timelib_iso_day_of_week(t->y, t->m, t->d)); break;
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case 'z': length = snprintf(buffer, 32, "%d", (int) timelib_day_of_year(t->y, t->m, t->d)); break;
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/* week */
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case 'W': snprintf(buffer, 32, "%02d", (int) isoweek); break; /* iso weeknr */
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case 'o': snprintf(buffer, 32, "%d", (int) isoyear); break; /* iso year */
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case 'W': length = snprintf(buffer, 32, "%02d", (int) isoweek); break; /* iso weeknr */
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case 'o': length = snprintf(buffer, 32, "%d", (int) isoyear); break; /* iso year */
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/* month */
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case 'F': snprintf(buffer, 32, "%s", mon_full_names[t->m - 1]); break;
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case 'm': snprintf(buffer, 32, "%02d", (int) t->m); break;
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case 'M': snprintf(buffer, 32, "%s", mon_short_names[t->m - 1]); break;
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case 'n': snprintf(buffer, 32, "%d", (int) t->m); break;
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case 't': snprintf(buffer, 32, "%d", (int) timelib_days_in_month(t->y, t->m)); break;
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case 'F': length = snprintf(buffer, 32, "%s", mon_full_names[t->m - 1]); break;
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case 'm': length = snprintf(buffer, 32, "%02d", (int) t->m); break;
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case 'M': length = snprintf(buffer, 32, "%s", mon_short_names[t->m - 1]); break;
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case 'n': length = snprintf(buffer, 32, "%d", (int) t->m); break;
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case 't': length = snprintf(buffer, 32, "%d", (int) timelib_days_in_month(t->y, t->m)); break;
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/* year */
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case 'L': snprintf(buffer, 32, "%d", timelib_is_leap((int) t->y)); break;
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case 'y': snprintf(buffer, 32, "%02d", (int) t->y % 100); break;
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case 'Y': snprintf(buffer, 32, "%04d", (int) t->y); break;
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case 'L': length = snprintf(buffer, 32, "%d", timelib_is_leap((int) t->y)); break;
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case 'y': length = snprintf(buffer, 32, "%02d", (int) t->y % 100); break;
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case 'Y': length = snprintf(buffer, 32, "%04d", (int) t->y); break;
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/* time */
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case 'a': snprintf(buffer, 32, "%s", t->h >= 12 ? "pm" : "am"); break;
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case 'A': snprintf(buffer, 32, "%s", t->h >= 12 ? "PM" : "AM"); break;
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case 'a': length = snprintf(buffer, 32, "%s", t->h >= 12 ? "pm" : "am"); break;
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case 'A': length = snprintf(buffer, 32, "%s", t->h >= 12 ? "PM" : "AM"); break;
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case 'B': {
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int retval = (((((long)t->sse)-(((long)t->sse) - ((((long)t->sse) % 86400) + 3600))) * 10) / 864);
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while (retval < 0) {
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retval += 1000;
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}
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retval = retval % 1000;
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snprintf(buffer, 32, "%03d", retval);
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length = snprintf(buffer, 32, "%03d", retval);
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break;
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}
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case 'g': snprintf(buffer, 32, "%d", (t->h % 12) ? (int) t->h % 12 : 12); break;
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case 'G': snprintf(buffer, 32, "%d", (int) t->h); break;
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case 'h': snprintf(buffer, 32, "%02d", (t->h % 12) ? (int) t->h % 12 : 12); break;
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case 'H': snprintf(buffer, 32, "%02d", (int) t->h); break;
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case 'i': snprintf(buffer, 32, "%02d", (int) t->i); break;
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case 's': snprintf(buffer, 32, "%02d", (int) t->s); break;
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case 'g': length = snprintf(buffer, 32, "%d", (t->h % 12) ? (int) t->h % 12 : 12); break;
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case 'G': length = snprintf(buffer, 32, "%d", (int) t->h); break;
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case 'h': length = snprintf(buffer, 32, "%02d", (t->h % 12) ? (int) t->h % 12 : 12); break;
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case 'H': length = snprintf(buffer, 32, "%02d", (int) t->h); break;
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case 'i': length = snprintf(buffer, 32, "%02d", (int) t->i); break;
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case 's': length = snprintf(buffer, 32, "%02d", (int) t->s); break;
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/* timezone */
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case 'I': snprintf(buffer, 32, "%d", localtime ? offset->is_dst : 0); break;
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case 'I': length = snprintf(buffer, 32, "%d", localtime ? offset->is_dst : 0); break;
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case 'P': rfc_colon = 1; /* break intentionally missing */
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case 'O': snprintf(buffer, 32, "%c%02d%s%02d",
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case 'O': length = snprintf(buffer, 32, "%c%02d%s%02d",
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localtime ? ((offset->offset < 0) ? '-' : '+') : '+',
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localtime ? abs(offset->offset / 3600) : 0,
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rfc_colon ? ":" : "",
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localtime ? abs((offset->offset % 3600) / 60) : 0
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);
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break;
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case 'T': snprintf(buffer, 32, "%s", localtime ? offset->abbr : "GMT"); break;
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case 'e': snprintf(buffer, 32, "%s", localtime ? t->tz_info->name : "UTC"); break;
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case 'Z': snprintf(buffer, 32, "%d", localtime ? offset->offset : 0); break;
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case 'T': length = snprintf(buffer, 32, "%s", localtime ? offset->abbr : "GMT"); break;
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case 'e': length = snprintf(buffer, 32, "%s", localtime ? t->tz_info->name : "UTC"); break;
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case 'Z': length = snprintf(buffer, 32, "%d", localtime ? offset->offset : 0); break;
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/* full date/time */
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case 'c': snprintf(buffer, 32, "%04d-%02d-%02dT%02d:%02d:%02d%c%02d:%02d",
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case 'c': length = snprintf(buffer, 32, "%04d-%02d-%02dT%02d:%02d:%02d%c%02d:%02d",
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(int) t->y, (int) t->m, (int) t->d,
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(int) t->h, (int) t->i, (int) t->s,
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localtime ? ((offset->offset < 0) ? '-' : '+') : '+',
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@ -808,7 +807,7 @@ static char *date_format(char *format, int format_len, timelib_time *t, int loca
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localtime ? abs((offset->offset % 3600) / 60) : 0
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);
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break;
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case 'r': snprintf(buffer, 32, "%3s, %02d %3s %04d %02d:%02d:%02d %c%02d%02d",
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case 'r': length = snprintf(buffer, 32, "%3s, %02d %3s %04d %02d:%02d:%02d %c%02d%02d",
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php_date_short_day_name(t->y, t->m, t->d),
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(int) t->d, mon_short_names[t->m - 1],
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(int) t->y, (int) t->h, (int) t->i, (int) t->s,
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@ -817,14 +816,13 @@ static char *date_format(char *format, int format_len, timelib_time *t, int loca
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localtime ? abs((offset->offset % 3600) / 60) : 0
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);
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break;
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case 'U': snprintf(buffer, 32, "%lld", (timelib_sll) t->sse); break;
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case 'U': length = snprintf(buffer, 32, "%lld", (timelib_sll) t->sse); break;
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case '\\': if (i < format_len) i++; buffer[0] = format[i]; buffer[1] = '\0'; break;
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case '\\': if (i < format_len) i++; /* break intentionally missing */
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default: buffer[0] = format[i]; buffer[1] = '\0';
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default: buffer[0] = format[i]; buffer[1] = '\0'; length = 1; break;
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}
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smart_str_appends(&string, buffer);
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buffer[0] = '\0';
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smart_str_appendl(&string, buffer, length);
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}
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smart_str_0(&string);
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