Theme_Upgrader::install_strings()

Compatibility

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

Performance profile

How much work a call to Theme_Upgrader::install_strings() 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

Trivial

Touches nothing outside its own arguments.

Scaling

Constant

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

Instructions

108–152

Executed per call on PHP 8.5, depending on the branch taken. The body compiles to 152.

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 one call costs · 3 distinct outcomes

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

Uses · 1

• __()Retrieves the translation of $text.

Used by · 1

• Theme_Upgrader::install()Install a theme package.

Source code

View on Trac ↗View on GitHub ↗

72	public function install_strings() {73		$this->strings['no_package'] = __( 'Installation package not available.' );74		/* translators: %s: Package URL. */75		$this->strings['downloading_package'] = sprintf( __( 'Downloading installation package from %s&#8230;' ), '<span class="code pre">%s</span>' );76		$this->strings['unpack_package']      = __( 'Unpacking the package&#8230;' );77		$this->strings['installing_package']  = __( 'Installing the theme&#8230;' );78		$this->strings['remove_old']          = __( 'Removing the old version of the theme&#8230;' );79		$this->strings['remove_old_failed']   = __( 'Could not remove the old theme.' );80		$this->strings['no_files']            = __( 'The theme contains no files.' );81		$this->strings['process_failed']      = __( 'Theme installation failed.' );82		$this->strings['process_success']     = __( 'Theme installed successfully.' );83		/* translators: 1: Theme name, 2: Theme version. */84		$this->strings['process_success_specific'] = __( 'Successfully installed the theme <strong>%1$s %2$s</strong>.' );85		$this->strings['parent_theme_search']      = __( 'This theme requires a parent theme. Checking if it is installed&#8230;' );86		/* translators: 1: Theme name, 2: Theme version. */87		$this->strings['parent_theme_prepare_install'] = __( 'Preparing to install <strong>%1$s %2$s</strong>&#8230;' );88		/* translators: 1: Theme name, 2: Theme version. */89		$this->strings['parent_theme_currently_installed'] = __( 'The parent theme, <strong>%1$s %2$s</strong>, is currently installed.' );90		/* translators: 1: Theme name, 2: Theme version. */91		$this->strings['parent_theme_install_success'] = __( 'Successfully installed the parent theme, <strong>%1$s %2$s</strong>.' );92		/* translators: %s: Theme name. */93		$this->strings['parent_theme_not_found'] = sprintf( __( '<strong>The parent theme could not be found.</strong> You will need to install the parent theme, %s, before you can use this child theme.' ), '<strong>%s</strong>' );94		/* translators: %s: Theme error. */95		$this->strings['current_theme_has_errors'] = __( 'The active theme has the following error: "%s".' );96 97		if ( ! empty( $this->skin->overwrite ) ) {98			if ( 'update-theme' === $this->skin->overwrite ) {99				$this->strings['installing_package'] = __( 'Updating the theme&#8230;' );100				$this->strings['process_failed']     = __( 'Theme update failed.' );101				$this->strings['process_success']    = __( 'Theme updated successfully.' );102			}103 104			if ( 'downgrade-theme' === $this->skin->overwrite ) {105				$this->strings['installing_package'] = __( 'Downgrading the theme&#8230;' );106				$this->strings['process_failed']     = __( 'Theme downgrade failed.' );107				$this->strings['process_success']    = __( 'Theme downgraded successfully.' );108			}109		}110	}

Changelog

Introduced in 2.8.0. 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 7.0.4 tag, from src/wp-admin/includes/class-theme-upgrader.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.

Corrections

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