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Translations in PHP files

Translations in PHP files work straight-forward. Translations functions such as __() and _n() are part of the WordPress core. Therefore, they are available globally and do not have to be imported.

Usage of localization functions

__()

The function __() retrieves the translation of $text. This function is available both for PHP & JS/TS.

// Schema
$translation = __( string $text, string $domain = 'default' );

// Example
$translation = __( 'Place Order', 'woo-gutenberg-products-block' );

See also https://developer.wordpress.org/reference/functions/__/.

_e()

The function _e() displays the translation of $text. This function is only available for PHP.

// Schema
_e( string $text, string $domain = 'default' );

// Example
_e( 'Place Order', 'woo-gutenberg-products-block' );

See also https://developer.wordpress.org/reference/functions/_e/.

_ex()

The function _ex() displays the translated string with gettext context. This function is only available for PHP.

// Schema
_ex( string $text, string $context, string $domain = 'default' );

// Example
_ex( 'Place Order', 'Place order button text', 'woo-gutenberg-products-block' );

See also https://developer.wordpress.org/reference/functions/_ex/.

_n()

The function _n() translates and retrieves the singular or plural form based on the supplied number. This function is available both for PHP & JS/TS.

// Schema
$translation = _n( string $single, string $plural, int $number, string $domain = 'default' );

// Example
$translation = sprintf(
    /* translators: %s number of products in cart. */
    _n(
        '%d product',
        '%d products',
        absint( $category->count ),
        'woo-gutenberg-products-block'
    ),
    absint( $category->count )
);

See also https://developer.wordpress.org/reference/functions/_n/.

_x()

The function _x() retrieves a translated string with gettext context. This function is available both for PHP & JS/TS.

// Schema
$translation = _x( string $text, string $context, string $domain = 'default' );

// Example
$translation = _x( 'Draft', 'Order status', 'woo-gutenberg-products-block' );

See also https://developer.wordpress.org/reference/functions/_x/.

_nx()

The function _nx() translates and retrieves the singular or plural form based on the supplied number, with gettext context. This function is available both for PHP & JS/TS.

// Schema
$translation = _nx( string $single, string $plural, int $number, string $context, string $domain = 'default' );

// Example
$translation = sprintf(
    /* translators: %s number of products in cart. */
    _nx(
        '%d product',
        '%d products',
        absint( $category->count ),
        'Number of products in the cart',
        'woo-gutenberg-products-block'
    ),
    absint( $category->count )
);

See also https://developer.wordpress.org/reference/functions/_nx/.

esc_html__()

The function esc_html__() retrieves the translation of $text and escapes it for safe use in HTML output. This function is only available for PHP.

// Schema
$translation = esc_html__( string $text, string $domain = 'default' );

// Example
$translation = esc_html__( 'Select a category', 'woo-gutenberg-products-block' );

See also https://developer.wordpress.org/reference/functions/esc_html__/.

esc_html_e()

The function esc_html_e() displays the translated text that has been escaped for safe use in HTML output. This function is only available for PHP.

// Schema
esc_html_e( string $text, string $domain = 'default' );

// Example
esc_html_e( 'Select a category', 'woo-gutenberg-products-block' );

See also https://developer.wordpress.org/reference/functions/esc_html_e/.

esc_html_x()

The function esc_html_x() translates a string with gettext context, and escapes it for safe use in HTML output. This function is only available for PHP.

// Schema
$translation = esc_html_x( string $text, string $context, string $domain = 'default' );

// Example
$translation = esc_html_x( 'Select a category', 'Product category', 'woo-gutenberg-products-block' );

See also https://developer.wordpress.org/reference/functions/esc_html_x/.

esc_attr__()

The function esc_attr__() retrieve the translation of $text and escapes it for safe use in an attribute. This function is only available for PHP.

// Schema
$translation = esc_attr__( string $text, string $domain = 'default' );

// Example
$translation = esc_attr__( 'Search', 'woo-gutenberg-products-block' );

See also https://developer.wordpress.org/reference/functions/esc_attr__/.

esc_attr_e()

The function esc_attr_e() displays the translated text that has been escaped for safe use in an attribute. This function is only available for PHP.

// Schema
esc_attr_e( string $text, string $domain = 'default' );

// Example
esc_attr_e( 'Search', 'woo-gutenberg-products-block' );

See also https://developer.wordpress.org/reference/functions/esc_attr_e/.

esc_attr_x()

The function esc_attr_x() translates the string with gettext context, and escapes it for safe use in an attribute. This function is only available for PHP.

// Schema
$translation = esc_attr_x( string $text, string $domain = 'default' );

// Example
$translation = esc_attr_x( 'Search', 'Search button text' 'woo-gutenberg-products-block' );

See also https://developer.wordpress.org/reference/functions/esc_attr_x/.

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