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<?php |
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/** |
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* Adds compability for old WordPress versions |
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* |
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* @package imgix |
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*/ |
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if ( ! function_exists( 'wp_parse_url' ) ) { |
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/** |
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* A wrapper for PHP's parse_url() function that handles edgecases in < PHP 5.4.7 |
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* |
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* PHP 5.4.7 expanded parse_url()'s ability to handle non-absolute url's, including |
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* schemeless and relative url's with :// in the path, this works around those |
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* limitations providing a standard output on PHP 5.2~5.4+. |
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* |
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* Error suppression is used as prior to PHP 5.3.3, an E_WARNING would be generated |
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* when URL parsing failed. |
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* |
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* @since 4.4.0 |
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* |
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* @param string $url The URL to parse. |
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* |
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* @return bool|array False on failure; Array of URL components on success; |
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* See parse_url()'s return values. |
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*/ |
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function wp_parse_url( $url ) { |
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$parts = @parse_url( $url ); |
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if ( ! $parts ) { |
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// < PHP 5.4.7 compat, trouble with relative paths including a scheme break in the path |
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if ( '/' == $url[0] && false !== strpos( $url, '://' ) ) { |
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// Since we know it's a relative path, prefix with a scheme/host placeholder and try again |
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if ( ! $parts = @parse_url( 'placeholder://placeholder' . $url ) ) { |
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return $parts; |
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} |
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// Remove the placeholder values |
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unset( $parts['scheme'], $parts['host'] ); |
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} else { |
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return $parts; |
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} |
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} |
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// < PHP 5.4.7 compat, doesn't detect schemeless URL's host field |
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if ( '//' == substr( $url, 0, 2 ) && ! isset( $parts['host'] ) ) { |
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$path_parts = explode( '/', substr( $parts['path'], 2 ), 2 ); |
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$parts['host'] = $path_parts[0]; |
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if ( isset( $path_parts[1] ) ) { |
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$parts['path'] = '/' . $path_parts[1]; |
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} else { |
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unset( $parts['path'] ); |
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} |
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} |
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return $parts; |
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} |
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} |
imgix-wordpress /
images-via-imgix
