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Media: improve the human_readable_duration function and tests.

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Improve the `human_readable_duration` added in #39667:
* Remove upper limit.
* More resilient handling: remove negative prefix, trim.
* Correct @since to 5.1.0.
* Adds more test cases and improve inline docs.

Props birgire.
Fixes #39667.


git-svn-id: https://develop.svn.wordpress.org/trunk@44481 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Adam Silverstein
2019-01-08 19:55:31 +00:00
parent 559056f62f
commit f968e9d52f
2 changed files with 98 additions and 45 deletions
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66
src/wp-includes/functions.php
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@@ -323,54 +323,68 @@ function size_format( $bytes, $decimals = 0 ) {
}
/**
* Convert a filelength to human readable format.
* Convert a duration to human readable format.
*
* @since 5.0
* @since 5.1.0
*
* @param string $filelength Duration will be in string format (HH:ii:ss) OR (ii:ss).
* @return boolean|string A human readable filelength string, false on failure.
* @param string $duration Duration will be in string format (HH:ii:ss) OR (ii:ss),
* with a possible prepended negative sign (-).
* @return string|false A human readable duration string, false on failure.
*/
function human_readable_duration( $filelength = '' ) {
// Return false if filelength is empty or not in format.
if ( ( empty( $filelength ) || ! is_string( $filelength ) ) ) {
function human_readable_duration( $duration = '' ) {
if ( ( empty( $duration ) || ! is_string( $duration ) ) ) {
return false;
}
// Validate filelength format.
if ( ! ( (bool) preg_match( '/^(([0-3]?[0-9])|([2][0-3])):([0-5]?[0-9])(:([0-5]?[0-9]))?$/', $filelength ) ) ) {
$duration = trim( $duration );
// Remove prepended negative sign.
if ( '-' === substr( $duration, 0, 1 ) ) {
$duration = substr( $duration, 1 );
}
// Extract duration parts.
$duration_parts = array_reverse( explode( ':', $duration ) );
$duration_count = count( $duration_parts );
$hour = null;
$minute = null;
$second = null;
if ( 3 === $duration_count ) {
// Validate HH:ii:ss duration format.
if ( ! ( (bool) preg_match( '/^([0-9]+):([0-5]?[0-9]):([0-5]?[0-9])$/', $duration ) ) ) {
return false;
}
// Three parts: hours, minutes & seconds.
list( $second, $minute, $hour ) = $duration_parts;
} elseif ( 2 === $duration_count ) {
// Validate ii:ss duration format.
if ( ! ( (bool) preg_match( '/^([0-5]?[0-9]):([0-5]?[0-9])$/', $duration ) ) ) {
return false;
}
// Two parts: minutes & seconds.
list( $second, $minute ) = $duration_parts;
} else {
return false;
}
$human_readable_duration = array();
// Extract duration.
$durations = array_reverse( explode( ':', $filelength ) );
$duration_count = count( $durations );
if ( 3 === $duration_count ) {
// Three parts: hours, minutes & seconds.
list( $second, $minute, $hour ) = $durations;
} elseif ( 2 === $duration_count ) {
// Two parts: minutes & seconds.
list( $second, $minute ) = $durations;
} else {
return false;
}
// Add the hour part to the string.
if ( ! empty( $hour ) && is_numeric( $hour ) ) {
if ( is_numeric( $hour ) ) {
/* translators: Time duration in hour or hours. */
$human_readable_duration[] = sprintf( _n( '%s hour', '%s hours', $hour ), (int) $hour );
}
// Add the minute part to the string.
if ( ! empty( $minute ) && is_numeric( $minute ) ) {
if ( is_numeric( $minute ) ) {
/* translators: Time duration in minute or minutes. */
$human_readable_duration[] = sprintf( _n( '%s minute', '%s minutes', $minute ), (int) $minute );
}
// Add the second part to the string.
if ( ! empty( $second ) && is_numeric( $second ) ) {
if ( is_numeric( $second ) ) {
/* translators: Time duration in second or seconds. */
$human_readable_duration[] = sprintf( _n( '%s second', '%s seconds', $second ), (int) $second );
}