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80 lines
2.8 KiB
PHP
80 lines
2.8 KiB
PHP
<?php
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/**
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* Helper for the DateTime diff/days/math tests
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*
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* @author Daniel Convissor <danielc@analysisandsolutions.com>
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*/
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/**#@+
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* Which test segments should be displayed?
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*/
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define('PHPT_DATETIME_SHOW_DIFF', 1);
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define('PHPT_DATETIME_SHOW_DAYS', 2);
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define('PHPT_DATETIME_SHOW_ADD', 3);
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define('PHPT_DATETIME_SHOW_SUB', 4);
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/**#@-*/
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/**
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* Provides a consistent interface for executing date diff/add/sub tests
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*
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* @param string|DateTime $end_date the end date in YYYY-MM-DD format
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* (can include time HH:MM:SS) or a DateTime object
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* @param string|DateTime $start_date the start date in YYYY-MM-DD format
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* (can include time HH:MM:SS) or a DateTime object
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* @param string $expect_spec the expected result of the tests, in the
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* special interval specification used for this test suite.
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* This spec includes a "+" or "-" after the "P" in order to
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* indicate which direction to go.
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* @param int $expect_days the number of days to compare with the
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* interval's "days" property
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* @param bool $absolute should the result always be a positive number?
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*
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* @return void
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*/
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function examine_diff($end_date, $start_date, $expect_spec, $expect_days, $absolute = false) {
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if (is_string($start_date)) {
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$start = new DateTime($start_date);
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} else {
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$start = $start_date;
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}
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$start_date = $start->format('Y-m-d H:i:s T');
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if (is_string($end_date)) {
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$end = new DateTime($end_date);
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} else {
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$end = $end_date;
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}
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$end_date = $end->format('Y-m-d H:i:s T');
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$expect_interval = new DateInterval('P' . substr($expect_spec, 2));
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if (substr($expect_spec, 1, 1) == '-') {
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$expect_interval->invert = true;
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}
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if (PHPT_DATETIME_SHOW == PHPT_DATETIME_SHOW_DIFF) {
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$result_interval = $start->diff($end, $absolute);
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$result_spec = $result_interval->format('P%R%yY%mM%dDT%hH%iM%sS');
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echo "DIFF: $end_date - $start_date = **$result_spec**\n";
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// echo "DIFF: $end_date - $start_date = **$expect_spec**\n";
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}
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if (PHPT_DATETIME_SHOW == PHPT_DATETIME_SHOW_DAYS) {
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$result_interval = $start->diff($end, $absolute);
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$result_days = $result_interval->format('%a');
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echo "DAYS: **$result_days**\n";
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// echo "DAYS: **$expect_days**\n";
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}
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if (PHPT_DATETIME_SHOW == PHPT_DATETIME_SHOW_ADD) {
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$start->add($expect_interval);
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$result_end_date = $start->format('Y-m-d H:i:s T');
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echo "ADD: $start_date + $expect_spec = **$result_end_date**\n";
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// echo "ADD: $start_date + $expect_spec = **$end_date**\n";
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}
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if (PHPT_DATETIME_SHOW == PHPT_DATETIME_SHOW_SUB) {
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$end->sub($expect_interval);
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$result_start_date = $end->format('Y-m-d H:i:s T');
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echo "SUB: $end_date - $expect_spec = **$result_start_date**\n";
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// echo "SUB: $end_date - $expect_spec = **$start_date**\n";
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}
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}
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