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WordPress

twentythirteen_entry_date( bool $display = true ): string

Since
Twenty Thirteen 1.0
Source
wp-content/themes/twentythirteen/functions.php:634
Prints HTML with date information for current post.

Description

Create your own twentythirteen_entry_date() to override in a child theme.

Compatibility

WordPress
since Twenty Thirteen 1.0
PHP
7.4–8.6-dev
  • 6.7.7
  • 6.8.8
  • 6.9.7
  • 7.0.4
  • 7.1.0

Present in every tracked release (6.7.7 to 7.1.0), and compiles on PHP 7.4 through 8.6-dev.

Parameters

$displaybooloptional
(optional) Whether to display the date. Default true.Default: true

Return value

string
The HTML-formatted post date.

Performance profile

How much work a call to twentythirteen_entry_date() does, and what it touches: the algorithmic scaling, the Zend instruction count per call across PHP versions, the hooks it hands control to, and the core code that calls it. Measured from the compiled opcodes, not a stopwatch, so every number is identical on any machine running the same PHP version, and every function in core is ranked by cost.

Cost class
Heavy

Reaches the database via get_post().

Scaling
Constant

No loop in the body: the same number of instructions runs whatever you pass in.

Instructions
56–63

Executed per call on PHP 8.5, depending on the branch taken. The body compiles to 64.

Plugin surface
None

Nothing here hands control to plugin code.

Called by
1

1 place in core call this, so the cost is paid more often than your own code shows.

What it touches

  • hookthird-party callbacksapply_filters()one call below twentythirteen_entry_date()
  • querycontent queryget_post()one call below twentythirteen_entry_date()
  • optionoption read or writeget_option()one call below twentythirteen_entry_date()

Further down the call graph this can also reach cache, serialize and transient. Those are the worst case, several calls deep and usually down an error path, not what a normal call pays.

What one call costs · 2 distinct outcomes

One number would be a lie: the work depends on which branch runs. These are every distinct cost twentythirteen_entry_date() can have, taken from its control-flow graph on PHP 8.5.

WhenInstructionsCalls it makes
!has_post_format()56–57has_post_format(), get_permalink(), esc_url(), __(), the_title_attribute(), sprintf(), esc_attr(), get_the_date(), esc_attr(), get_post_format(), get_post_format_string(), get_the_date(), sprintf(), esc_html(), sprintf()
has_post_format()62–63has_post_format(), _x(), get_permalink(), esc_url(), __(), the_title_attribute(), sprintf(), esc_attr(), get_the_date(), esc_attr(), get_post_format(), get_post_format_string(), get_the_date(), sprintf(), esc_html(), sprintf()

Across PHP versions

Compiles the same on PHP 7.4, 8.1, 8.2, 8.3, 8.4, 8.5 and 8.6-dev: 64 instructions, 56–63 executed per call, 2 branches. The work does not change between versions.

An instruction is not a fixed amount of time, so a matching count is not necessarily the same speed; what it rules out is a difference in the work itself.

Uses · 11

Used by · 1

Source code

	function twentythirteen_entry_date( $display = true ) {		if ( has_post_format( array( 'chat', 'status' ) ) ) {			/* translators: 1: Post format name, 2: Date. */			$format_prefix = _x( '%1$s on %2$s', '1: post format name. 2: date', 'twentythirteen' );		} else {			$format_prefix = '%2$s';		} 		$date = sprintf(			'<span class="date"><a href="%1$s" title="%2$s" rel="bookmark"><time class="entry-date" datetime="%3$s">%4$s</time></a></span>',			esc_url( get_permalink() ),			/* translators: %s: Post title. */			esc_attr( sprintf( __( 'Permalink to %s', 'twentythirteen' ), the_title_attribute( 'echo=0' ) ) ),			esc_attr( get_the_date( 'c' ) ),			esc_html( sprintf( $format_prefix, get_post_format_string( get_post_format() ), get_the_date() ) )		); 		if ( $display ) {			echo $date;		} 		return $date;	}

Changelog

Introduced in Twenty Thirteen 1.0. Unchanged from 6.7.7 through 7.1.0.

  1. 6.7.7
  2. 6.8.8
  3. 6.9.7
  4. 7.0.4
  5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

About this page

Parsed data
Generated from the wordpress-develop 7.1.0 tag, from src/wp-content/themes/twentythirteen/functions.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
Corrections
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