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compression_test › WordPress Function
Depuis2.8.0
Dépréciéen/a
› compression_test ( Pas de paramètres )
Défini(e) dans: |
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Codex: |
Tests support for compressing JavaScript from PHP.
Outputs JavaScript that tests if compression from PHP works as expected and sets an option with the result. Has no effect when the current user is not an administrator. To run the test again the option 'can_compress_scripts' has to be deleted.Fonctions en relation: wp_ajax_wp_compression_test, gzip_compression, comment_text, codepress_footer_js, force_ssl_content
Source
function compression_test() { ?> <script type="text/javascript"> var compressionNonce = <?php echo wp_json_encode( wp_create_nonce( 'update_can_compress_scripts' ) ); ?>; var testCompression = { get : function(test) { var x; if ( window.XMLHttpRequest ) { x = new XMLHttpRequest(); } else { try{x=new ActiveXObject('Msxml2.XMLHTTP');}catch(e){try{x=new ActiveXObject('Microsoft.XMLHTTP');}catch(e){};} } if (x) { x.onreadystatechange = function() { var r, h; if ( x.readyState == 4 ) { r = x.responseText.substr(0, 18); h = x.getResponseHeader('Content-Encoding'); testCompression.check(r, h, test); } }; x.open('GET', ajaxurl + '?action=wp-compression-test&test='+test+'&_ajax_nonce='+compressionNonce+'&'+(new Date()).getTime(), true); x.send(''); } }, check : function(r, h, test) { if ( ! r && ! test ) this.get(1); if ( 1 == test ) { if ( h && ( h.match(/deflate/i) || h.match(/gzip/i) ) ) this.get('no'); else this.get(2); return; } if ( 2 == test ) { if ( '"wpCompressionTest' === r ) this.get('yes'); else this.get('no'); } } }; testCompression.check(); </script> <?php }