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<?php
/**
* Normalization traits.
*
* @package \Optml\Inc\Traits
* @author Optimole <friends@optimole.com>
*/
trait Optml_Normalizer {
/**
* Normalize value to boolean.
*
* @param mixed $value Value to process.
*
* @return bool
*/
public function to_boolean( $value ) {
if ( in_array( $value, [ 'yes', 'enabled', 'true', '1' ], true ) ) {
return true;
}
if ( in_array( $value, [ 'no', 'disabled', 'false', '0' ], true ) ) {
return false;
}
return boolval( $value );
}
/**
* Return domain hash.
*
* @param string $domain Full url.
*
* @return string Domain hash.
*/
public function to_domain_hash( $domain ) {
$domain_parts = parse_url( $domain );
$domain = isset( $domain_parts['host'] ) ? $domain_parts['host'] : '';
$prefix = substr( $domain, 0, 4 );
if ( $prefix === 'www.' ) {
$domain = substr( $domain, 4 );
}
return base64_encode( $domain );
}
/**
* Strip slashes on unicode encoded strings.
*
* @param string $string Input string.
*
* @return string Decoded string.
*/
public function strip_slashes( $string ) {
return html_entity_decode( stripslashes( preg_replace( '/\\\u([\da-fA-F]{4})/', '&#x\1;', $string ) ) );
}
/**
* Normalize value to positive integer.
*
* @param mixed $value Value to process.
*
* @return integer
*/
public function to_positive_integer( $value ) {
$integer = (int) $value;
return ( $integer > 0 ) ? $integer : 0;
}
/**
* Normalize value to map.
*
* @param mixed $value Value to process.
* @param array $map Associative list from witch to return.
* @param mixed $default Default.
*
* @return mixed
*/
public function to_map_values( $value, $map, $default ) {
if ( in_array( $value, $map, true ) ) {
return $value;
}
return $default;
}
/**
* Normalize value to an accepted quality.
*
* @param mixed $value Value to process.
*
* @return mixed
*/
public function to_accepted_quality( $value ) {
if ( is_numeric( $value ) ) {
return intval( $value );
}
$value = trim( $value );
$accepted_qualities = [
'eco' => 'eco',
'auto' => 'auto',
'mauto' => 'mauto',
'high_c' => 55,
'medium_c' => 75,
'low_c' => 90,
];
if ( array_key_exists( $value, $accepted_qualities ) ) {
return $accepted_qualities[ $value ];
}
// Legacy values.
return 60;
}
/**
* Normalize value to an accepted minify.
*
* @param mixed $value Value to process.
*
* @return mixed
*/
public function to_accepted_minify( $value ) {
if ( is_numeric( $value ) ) {
return $this->to_bound_integer( $value, 0, 1 );
}
return 'auto';
}
/**
* Normalize value to an integer within bounds.
*
* @param mixed $value Value to process.
* @param integer $min Lower bound.
* @param integer $max Upper bound.
*
* @return integer
*/
public function to_bound_integer( $value, $min, $max ) {
$integer = absint( $value );
if ( $integer < $min ) {
$integer = $min;
}
if ( $integer > $max ) {
$integer = $max;
}
return $integer;
}
/**
* Normalize arguments for crop.
*
* @param array $crop_args Crop arguments.
*
* @return array
*/
public function to_optml_crop( $crop_args = [] ) {
$enlarge = false;
if ( isset( $crop_args['enlarge'] ) ) {
$enlarge = $crop_args['enlarge'];
$crop_args = $crop_args['crop'];
}
if ( $crop_args === true ) {
return [
'type' => Optml_Resize::RESIZE_FILL,
'enlarge' => $enlarge,
'gravity' => Optml_Resize::GRAVITY_CENTER,
];
}
if ( $crop_args === false || ! is_array( $crop_args ) || count( $crop_args ) !== 2 ) {
return [];
}
$allowed_x = [
'left' => true,
'center' => true,
'right' => true,
];
$allowed_y = [
'top' => true,
'center' => true,
'bottom' => true,
];
$allowed_gravities = [
'left' => Optml_Resize::GRAVITY_WEST,
'right' => Optml_Resize::GRAVITY_EAST,
'top' => Optml_Resize::GRAVITY_NORTH,
'bottom' => Optml_Resize::GRAVITY_SOUTH,
'lefttop' => Optml_Resize::GRAVITY_NORTH_WEST,
'leftbottom' => Optml_Resize::GRAVITY_SOUTH_WEST,
'righttop' => Optml_Resize::GRAVITY_NORTH_EAST,
'rightbottom' => Optml_Resize::GRAVITY_SOUTH_EAST,
'centertop' => [ 0.5, 0 ],
'centerbottom' => [ 0.5, 1 ],
'leftcenter' => [ 0, 0.5 ],
'rightcenter' => [ 1, 0.5 ],
];
$gravity = Optml_Resize::GRAVITY_CENTER;
$key_search = ( $crop_args[0] === true ? '' :
( isset( $allowed_x[ $crop_args[0] ] ) ? $crop_args[0] : '' ) ) .
( $crop_args[1] === true ? '' :
( isset( $allowed_y[ $crop_args[1] ] ) ? $crop_args[1] : '' ) );
if ( array_key_exists( $key_search, $allowed_gravities ) ) {
$gravity = $allowed_gravities[ $key_search ];
}
return [
'type' => Optml_Resize::RESIZE_FILL,
'enlarge' => $enlarge,
'gravity' => $gravity,
];
}
/**
* Normalize arguments for watermark.
*
* @param array $watermark_args Watermark arguments.
*
* @return array
*/
public function to_optml_watermark( $watermark_args = [] ) {
$allowed_gravities = [
'left' => Optml_Resize::GRAVITY_WEST,
'right' => Optml_Resize::GRAVITY_EAST,
'top' => Optml_Resize::GRAVITY_NORTH,
'bottom' => Optml_Resize::GRAVITY_SOUTH,
'left_top' => Optml_Resize::GRAVITY_NORTH_WEST,
'left_bottom' => Optml_Resize::GRAVITY_SOUTH_WEST,
'right_top' => Optml_Resize::GRAVITY_NORTH_EAST,
'right_bottom' => Optml_Resize::GRAVITY_SOUTH_EAST,
];
$gravity = Optml_Resize::GRAVITY_CENTER;
if ( isset( $watermark_args['position'] ) && array_key_exists( $watermark_args['position'], $allowed_gravities ) ) {
$gravity = $allowed_gravities[ $watermark_args['position'] ];
}
return [
'opacity' => 1,
'position' => $gravity,
];
}
/**
* If missing, add schema to urls.
*
* @param string $url Url to check.
*
* @return string
*/
public function add_schema( $url ) {
$schema_url = $url;
$should_add_schema = false;
if ( function_exists( 'str_starts_with' ) ) {
$should_add_schema = str_starts_with( $schema_url, '//' );
} else {
$should_add_schema = substr( $schema_url, 0, strlen( '//' ) ) === '//';
}
if ( $should_add_schema ) {
$schema_url = is_ssl() ? 'https:' : 'http:' . $schema_url;
}
return $schema_url;
}
}
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