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<?php
// Do not allow directly accessing this file.
if ( ! defined( 'ABSPATH' ) ) {
exit( 'Direct script access denied.' );
}
if ( ! function_exists( 'avada_avadaredux_validate_dimension' ) ) {
/**
* Validates & sanitizes values for dimension controls.
*
* @since 4.0.0
* @param array $field The field with all its arguments.
* @param string $value The field value.
* @param string $existing_value The previous value of the control.
* @return array
*/
function avada_avadaredux_validate_dimension( $field, $value, $existing_value ) {
$return = array();
$value = trim( strtolower( $value ) );
if ( in_array( $value, array( 'auto', 'initial', 'inherit' ) ) ) {
return array( 'value' => $value );
}
$warning = false;
if ( 'round' == $value ) {
$value = '50%';
}
if ( '' == $existing_value || null == $existing_value || false == $existing_value ) {
$existing_value = Avada()->settings->get( $field['id'] );
}
if ( '' == $value || null == $value || false == $value ) {
$value = $existing_value;
}
// Remove spaces from the value.
$value = trim( str_replace( ' ', '', $value ) );
// Get the numeric value.
$value_numeric = Avada_Sanitize::number( $value );
if ( empty( $value_numeric ) ) {
$value_numeric = '0';
}
// Get the units.
$value_unit = str_replace( $value_numeric, '', $value );
$value_unit = strtolower( $value_unit );
if ( '0' != $value_numeric && empty( $value_unit ) ) {
$warning = true;
}
// An array of valid CSS units.
$valid_units = array( 'rem', 'em', 'ex', '%', 'px', 'cm', 'mm', 'in', 'pt', 'pc', 'vh', 'vw', 'vmin', 'vmax' );
// If we can't find a valid CSS unit in the value,
// show a warning message and fallback to using pixels.
if ( '0' != $value_numeric && ! in_array( $value_unit, $valid_units ) ) {
$warning = true;
}
// If the numeric value is 0, remove units.
if ( '0' == $value_numeric ) {
$value_unit = '';
}
if ( $warning ) {
$replaced_units_message = esc_html__( 'We could not find a valid unit for this field, falling back to "%1$s". Saved value "%2$s" and not "%3$s".', 'Avada' );
$units_message = esc_html__( 'No units were entered, falling back to using pixels. Saved value "%2$s" and not "%3$s".' );
if ( empty( $value_unit ) ) {
$message = $units_message;
$value_unit = 'px';
$unit_found = true;
} else {
$message = $replaced_units_message;
$unit_found = false;
foreach ( $valid_units as $valid_unit ) {
if ( $unit_found ) {
continue;
}
if ( false !== strrpos( $value_unit, $valid_unit ) ) {
$value_unit = $valid_unit;
$unit_found = true;
}
}
}
if ( ! $unit_found ) {
$value_unit = 'px';
}
$field['msg'] = sprintf( $message, $value_unit, $value_numeric . $value_unit, $value );
$return['warning'] = $field;
}
$return['value'] = $value_numeric . $value_unit;
return $return;
}
}
if ( ! function_exists( 'avada_avadaredux_validate_font_size' ) ) {
/**
* Validates & sanitizes values for font-size controls.
*
* @since 4.0.0
* @param array $field The field with all its arguments.
* @param string $value The field value.
* @param string $existing_value The previous value of the control.
* @return array
*/
function avada_avadaredux_validate_font_size( $field, $value, $existing_value ) {
$warning = false;
$value = trim( strtolower( $value ) );
$return = array();
if ( '' == $existing_value || null == $existing_value || false == $existing_value ) {
$existing_value = Avada()->settings->get( $field['id'] );
}
if ( '' == $value || null == $value || false == $value ) {
$value = $existing_value;
}
// Remove spaces from the value.
$value = trim( str_replace( ' ', '', $value ) );
// Get the numeric value.
$value_numeric = Avada_Sanitize::number( $value );
if ( empty( $value_numeric ) ) {
$value_numeric = '0';
}
// Get the units.
$value_unit = str_replace( $value_numeric, '', $value );
$value_unit = strtolower( $value_unit );
if ( empty( $value_unit ) ) {
$warning = true;
}
// An array of valid CSS units.
$valid_units = array( 'rem', 'em', 'px' );
// If we can't find a valid CSS unit in the value.
// show a warning message and fallback to using pixels.
if ( ! in_array( $value_unit, $valid_units ) ) {
$warning = true;
}
if ( $warning ) {
$replaced_units_message = esc_html__( 'We could not find a valid unit for this field, falling back to "%1$s". Valid units are %4$s. Saved value "%2$s" and not "%3$s.".', 'Avada' );
$units_message = esc_html__( 'No units were entered, falling back to using pixels. Saved value "%2$s" and not "%3$s".' );
if ( empty( $value_unit ) ) {
$message = $units_message;
$value_unit = 'px';
$unit_found = true;
} else {
$message = $replaced_units_message;
$unit_found = false;
foreach ( $valid_units as $valid_unit ) {
if ( $unit_found ) {
continue;
}
if ( false !== strrpos( $value_unit, $valid_unit ) ) {
$value_unit = $valid_unit;
$unit_found = true;
}
}
}
if ( ! $unit_found ) {
$value_unit = 'px';
}
$imploded_valid_units = implode( ', ', $valid_units );
$field['msg'] = sprintf( $message, $value_unit, $value_numeric . $value_unit, $value, $imploded_valid_units );
$return['warning'] = $field;
}
$return['value'] = $value_numeric . $value_unit;
return $return;
}
}
if ( ! function_exists( 'avada_avadaredux_validate_typography' ) ) {
/**
* Validates & sanitizes values for typography controls.
*
* @since 4.0.0
* @param array $field The field with all its arguments.
* @param array $value The field value.
* @param array $existing_value The previous value of the control.
* @return array
*/
function avada_avadaredux_validate_typography( $field, $value, $existing_value ) {
$return = array();
$limit_units_fields = array(
'font-size',
'line-height',
'letter-spacing',
);
if ( is_array( $value ) ) {
// An array of valid CSS units.
$valid_units = array( 'px', 'rem', 'em' );
$warning = array();
$message = array();
$imploded_valid_units = implode( ', ', $valid_units );
foreach ( $value as $key => $subvalue ) {
$replaced_units_message = '';
$units_message = '';
$subvalue_numeric = '';
$subvalue_unit = '';
$warning[ $key ] = false;
if ( in_array( $key, $limit_units_fields ) ) {
if ( '' == $existing_value[ $key ] || null == $existing_value[ $key ] || false == $existing_value[ $key ] ) {
$existing_value[ $key ] = Avada()->settings->get( $field['id'], $key );
}
if ( '' == $subvalue || null == $subvalue || false == $subvalue ) {
$subvalue = $existing_value[ $key ];
}
// Remove spaces from the value.
$subvalue = trim( str_replace( ' ', '', $subvalue ) );
// Get the numeric value.
$subvalue_numeric = Avada_Sanitize::number( $subvalue );
if ( empty( $subvalue_numeric ) ) {
$subvalue_numeric = '0';
}
// Get the units.
$subvalue_unit = str_replace( $subvalue_numeric, '', $subvalue );
$subvalue_unit = strtolower( $subvalue_unit );
if ( empty( $subvalue_unit ) ) {
if ( '0' == $subvalue_numeric ) {
if ( 'font-size' == $key ) {
$warning[ $key ] = true;
}
} elseif ( 'line-height' != $key ) {
$warning[ $key ] = true;
}
}
// If we can't find a valid CSS unit in the value,
// show a warning message and fallback to using pixels.
if ( ! in_array( $subvalue_unit, $valid_units ) ) {
if ( ! ( 'line-height' == $key && empty( $subvalue_unit ) ) && ! ( '0' == $subvalue && 'font-size' != $key ) ) {
$warning[ $key ] = true;
}
}
if ( true === $warning[ $key ] ) {
if ( ! isset( $field['msg'] ) ) {
$field['msg'] = '';
}
$replaced_units_message = esc_html__( 'We could not find a valid unit for %1$s, falling back to "%2$s". Valid units are %3$s. Saved value "%4$s" and not "%5$s.".', 'Avada' );
$units_message = esc_html__( 'No units were entered for %1s, falling back to using pixels. Saved value "%4$s" and not "%5$s".' );
if ( empty( $subvalue_unit ) ) {
$message[] = sprintf( $units_message, $key, $subvalue_unit, $imploded_valid_units, $subvalue_numeric . $subvalue_unit, $subvalue );
$subvalue_unit = 'px';
$unit_found = true;
} else {
$unit_found = false;
foreach ( $valid_units as $valid_unit ) {
if ( $unit_found ) {
continue;
}
if ( false !== strrpos( $subvalue_unit, $valid_unit ) ) {
$subvalue_unit = $valid_unit;
$unit_found = true;
}
}
if ( ! $unit_found ) {
$subvalue_unit = 'px';
}
$message[] = sprintf( $replaced_units_message, $key, $subvalue_unit, $imploded_valid_units, $subvalue_numeric . $subvalue_unit, $subvalue );
}
if ( ! $unit_found ) {
$subvalue_unit = 'px';
}
}
$value[ $key ] = $subvalue_numeric . $subvalue_unit;
}
}
// Take care of font-weight sanitization.
if ( ! class_exists( 'Avada_AvadaRedux_Get_GoogleFonts' ) ) {
include_once wp_normalize_path( Avada::$template_dir_path . '/includes/avadaredux/custom-fields/typography/googlefonts.php' );
}
$googlefonts = Avada_AvadaRedux_Get_GoogleFonts::get_instance();
$font_family = $value['font-family'];
if ( isset( $googlefonts->fonts[ $font_family ] ) ) {
$variants = $googlefonts->fonts[ $font_family ]['variants'];
$valid_variants = array();
foreach ( $variants as $variant ) {
if ( isset( $variant['id'] ) ) {
$valid_variants[] = $variant['id'];
}
}
$forced_font_weight = false;
if ( ! isset( $value['font-weight'] ) || empty( $value['font-weight'] ) ) {
$forced_font_weight = true;
}
if ( ! in_array( $value['font-weight'], $valid_variants ) ) {
$forced_font_weight = true;
}
if ( $forced_font_weight ) {
if ( in_array( '400', $valid_variants ) ) {
$value['font-weight'] = '400';
} elseif ( in_array( '300', $valid_variants ) ) {
$value['font-weight'] = '300';
} elseif ( in_array( '500', $valid_variants ) ) {
$value['font-weight'] = '500';
} else {
$value['font-weight'] = $valid_variants[0];
}
}
}
}
if ( ! empty( $message ) ) {
$field['msg'] = implode( ' ', $message );
$return['warning'] = $field;
}
$return['value'] = $value;
return $return;
}
}
if ( ! function_exists( 'avada_avadaredux_validate_dimensions' ) ) {
/**
* Validates & sanitizes values for dimentions controls.
*
* @since 4.0.0
* @param array $field The field with all its arguments.
* @param array $value The field value.
* @param array $existing_value The previous value of the control.
* @return array
*/
function avada_avadaredux_validate_dimensions( $field, $value, $existing_value ) {
$warning = array();
$error_message = array();
$return = array();
// An array of valid CSS units.
$valid_units = array( 'rem', 'em', 'ex', '%', 'px', 'cm', 'mm', 'in', 'pt', 'pc', 'vh', 'vw', 'vmin', 'vmax' );
if ( ! is_array( $value ) ) {
return array( 'value' => $value );
}
foreach ( $value as $key => $subvalue ) {
$warning[ $key ] = false;
if ( 'round' == $subvalue ) {
$value = '50%';
}
if ( ! isset( $existing_value[ $key ] ) || '' == $existing_value[ $key ] || null == $existing_value[ $key ] || false == $existing_value[ $key ] ) {
$existing_value = Avada()->settings->get( $field['id'], $key );
}
if ( '' == $subvalue || null == $subvalue || false == $subvalue ) {
if ( isset( $existing_value[ $key ] ) ) {
$subvalue = $existing_value[ $key ];
}
}
// Remove spaces from the value.
$subvalue = trim( str_replace( ' ', '', $subvalue ) );
// Get the numeric value.
$subvalue_numeric = Avada_Sanitize::number( $subvalue );
if ( empty( $subvalue_numeric ) ) {
$subvalue_numeric = '0';
}
// Get the units.
$subvalue_unit = str_replace( $subvalue_numeric, '', $subvalue );
$subvalue_unit = strtolower( $subvalue_unit );
if ( empty( $subvalue_unit ) ) {
$warning[ $key ] = true;
}
// If we can't find a valid CSS unit in the value,
// show a warning message and fallback to using pixels.
if ( ! in_array( $subvalue_unit, $valid_units ) ) {
$warning[ $key ] = true;
}
if ( $warning[ $key ] ) {
$replaced_units_message = esc_html__( 'We could not find a valid unit for this field, falling back to "%1$s". Saved value "%2$s" and not "%3$s".', 'Avada' );
$units_message = esc_html__( 'No units were entered, falling back to using pixels. Saved value "%2$s" and not "%3$s".' );
if ( empty( $subvalue_unit ) ) {
$message = $units_message;
$subvalue_unit = 'px';
$subunit_found = true;
} else {
$message = $replaced_units_message;
$subunit_found = false;
foreach ( $valid_units as $valid_unit ) {
if ( $subunit_found ) {
continue;
}
if ( false !== strrpos( $subvalue_unit, $valid_unit ) ) {
$subvalue_unit = $valid_unit;
$subunit_found = true;
}
}
}
if ( ! $subunit_found ) {
$subvalue_unit = 'px';
}
$error_message[] = sprintf( $message, $subvalue_unit, $subvalue_numeric . $subvalue_unit, $subvalue );
}
$return['value'][ $key ] = $subvalue_numeric . $subvalue_unit;
}
if ( ! empty( $error_message ) ) {
$field['msg'] = implode( ' ', $error_message );
$return['warning'] = $field;
}
return $return;
}
}
if ( ! function_exists( 'avada_avadaredux_validate_color_rgba' ) ) {
/**
* Validates & sanitizes values for RGBA color controls.
*
* @since 4.0.0
* @param array $field The field with all its arguments.
* @param string $value The field value.
* @param string $existing_value The previous value of the control.
* @return array
*/
function avada_avadaredux_validate_color_rgba( $field, $value, $existing_value ) {
$return = array();
$error = false;
$sanitized_value = Avada_Sanitize::color( $value );
$return['value'] = $sanitized_value;
if ( $value != $sanitized_value ) {
$error = true;
$field['msg'] = sprintf(
esc_html__( 'Sanitized value and saved as %1$s instead of %2$s.', 'Avada' ),
'<code>' . $sanitized_value . '</code>',
'<code>' . $value . '</code>'
);
$return['warning'] = $field;
}
return $return;
}
}
if ( ! function_exists( 'avada_avadaredux_validate_color_hex' ) ) {
/**
* Validates & sanitizes values for HEX color controls.
*
* @since 4.0.0
* @param array $field The field with all its arguments.
* @param string $value The field value.
* @param string $existing_value The previous value of the control.
* @return array
*/
function avada_avadaredux_validate_color_hex( $field, $value, $existing_value ) {
$return = array();
$error = false;
$sanitized_value = Avada_Sanitize::color( $value );
if ( false !== strpos( $sanitized_value, 'rgba' ) ) {
$sanitized_value = Avada_Color::new_color( $sanitized_value )->to_css( 'hex' );
}
$return['value'] = $sanitized_value;
if ( $value != $sanitized_value ) {
$error = true;
$field['msg'] = sprintf(
esc_html__( 'Sanitized value and saved as %1$s instead of %2$s.', 'Avada' ),
'<code>' . $sanitized_value . '</code>',
'<code>' . $value . '</code>'
);
$return['warning'] = $field;
}
return $return;
}
}
if ( ! function_exists( 'avada_avadaredux_validate_custom_fonts' ) ) {
/**
* Validates & sanitizes values for custom-fonts controls.
*
* @since 4.0.0
* @param array $field The field with all its arguments.
* @param array $value The field value.
* @param array $existing_value The previous value of the control.
* @return array
*/
function avada_avadaredux_validate_custom_fonts( $field, $value, $existing_value ) {
$return = array();
if ( isset( $value['name'] ) ) {
foreach ( $value['name'] as $name_key => $name_value ) {
$value['name'][ $name_key ] = trim( $name_value );
$value['name'][ $name_key ] = str_replace( ' ', '-', $value['name'][ $name_key ] );
}
}
return array(
'value' => $value,
);
}
}