44 lines
1.2 KiB
PHP
44 lines
1.2 KiB
PHP
<?php
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/**
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* Speed optimization functions
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*/
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function wpa_superstar_lazy_load_images( $content ) {
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if ( is_admin() || ! $content || ! get_option( 'wpa_superstar_lazy_load', 1 ) ) {
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return $content;
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}
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$content = preg_replace(
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'/(<img[^>]+)\/?>/i',
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'$1 loading="lazy" />',
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$content
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);
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return $content;
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}
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add_filter( 'the_content', 'wpa_superstar_lazy_load_images' );
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add_filter( 'wp_get_attachment_image', 'wpa_superstar_lazy_load_images' );
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function wpa_superstar_minify_css( $html ) {
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if ( is_admin() || ! get_option( 'wpa_superstar_minify_css', 0 ) ) {
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return $html;
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}
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$html = preg_replace(
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array( '/\s+/', '/\/\*.*?\*\//s', '/;}/' ),
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array( ' ', '', '}' ),
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$html
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);
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return trim( $html );
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}
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add_filter( 'style_loader_tag', 'wpa_superstar_minify_css' );
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function wpa_superstar_minify_js( $html ) {
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if ( is_admin() || ! get_option( 'wpa_superstar_minify_js', 0 ) ) {
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return $html;
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}
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$html = preg_replace(
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array( '/\s+/', '/\/\*.*?\*\//s', '//.*?\n/' ),
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array( ' ', '', '' ),
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$html
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);
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return trim( $html );
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}
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add_filter( 'script_loader_tag', 'wpa_superstar_minify_js' ); |