05/10/2012, 13:04
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| | | Fecha de Ingreso: agosto-2012 Ubicación: M.
Mensajes: 2.031
Antigüedad: 13 años, 2 meses Puntos: 52 | |
| Respuesta: Saber si url de youtube son validos con php.
Cita:
Iniciado por Triby  Wordpress usa esto:
Código PHP:
Ver original1454 /** 1455 * Callback to convert URI match to HTML A element. 1456 * 1457 * This function was backported from 2.5.0 to 2.3.2. Regex callback for {@link 1458 * make_clickable()}. 1459 * 1460 * @since 2.3.2 1461 * @access private 1462 * 1463 * @param array $matches Single Regex Match. 1464 * @return string HTML A element with URI address. 1465 */ 1466 function _make_url_clickable_cb($matches) { 1467 $url = $matches[2]; 1468 1469 if ( ')' == $matches[3] && strpos( $url, '(' ) ) { 1470 // If the trailing character is a closing parethesis, and the URL has an opening parenthesis in it, add the closing parenthesis to the URL. 1471 // Then we can let the parenthesis balancer do its thing below. 1472 $url .= $matches[3]; 1473 $suffix = ''; 1474 } else { 1475 $suffix = $matches[3]; 1476 } 1477 1478 // Include parentheses in the URL only if paired 1480 $suffix = strrchr( $url, ')' ) . $suffix; 1482 } 1483 1484 $url = esc_url($url); 1486 return $matches[0]; 1487 1488 return $matches[1] . "<a href=\"$url\" rel=\"nofollow\">$url</a>" . $suffix; 1489 } 1490 1491 /** 1492 * Callback to convert URL match to HTML A element. 1493 * 1494 * This function was backported from 2.5.0 to 2.3.2. Regex callback for {@link 1495 * make_clickable()}. 1496 * 1497 * @since 2.3.2 1498 * @access private 1499 * 1500 * @param array $matches Single Regex Match. 1501 * @return string HTML A element with URL address. 1502 */ 1503 function _make_web_ftp_clickable_cb($matches) { 1504 $ret = ''; 1505 $dest = $matches[2]; 1506 $dest = 'http://' . $dest; 1507 $dest = esc_url($dest); 1509 return $matches[0]; 1510 1511 // removed trailing [.,;:)] from URL 1513 $ret = substr($dest, -1); 1515 } 1516 return $matches[1] . "<a href=\"$dest\" rel=\"nofollow\">$dest</a>$ret"; 1517 } 1518 1519 /** 1520 * Callback to convert email address match to HTML A element. 1521 * 1522 * This function was backported from 2.5.0 to 2.3.2. Regex callback for {@link 1523 * make_clickable()}. 1524 * 1525 * @since 2.3.2 1526 * @access private 1527 * 1528 * @param array $matches Single Regex Match. 1529 * @return string HTML A element with email address. 1530 */ 1531 function _make_email_clickable_cb($matches) { 1532 $email = $matches[2] . '@' . $matches[3]; 1533 return $matches[1] . "<a href=\"mailto:$email\">$email</a>"; 1534 } 1535 1536 /** 1537 * Convert plaintext URI to HTML links. 1538 * 1539 * Converts URI, www and ftp, and email addresses. Finishes by fixing links 1540 * within links. 1541 * 1542 * @since 0.71 1543 * 1544 * @param string $text Content to convert URIs. 1545 * @return string Content with converted URIs. 1546 */ 1547 function make_clickable( $text ) { 1548 $r = ''; 1549 $textarr = preg_split( '/(<[^<>]+>)/', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); // split out HTML tags 1550 foreach ( $textarr as $piece ) { 1551 if ( empty( $piece ) || ( $piece[0] == '<' && ! preg_match('|^<\s*[\w]{1,20}+://|', $piece) ) ) { 1552 $r .= $piece; 1553 continue; 1554 } 1555 1556 // Long strings might contain expensive edge cases ... 1557 if ( 10000 < strlen( $piece ) ) { 1558 // ... break it up 1559 foreach ( _split_str_by_whitespace( $piece, 2100 ) as $chunk ) { // 2100: Extra room for scheme and leading and trailing paretheses 1560 if ( 2101 < strlen( $chunk ) ) { 1561 $r .= $chunk; // Too big, no whitespace: bail. 1562 } else { 1563 $r .= make_clickable( $chunk ); 1564 } 1565 } 1566 } else { 1567 $ret = " $piece "; // Pad with whitespace to simplify the regexes 1568 1569 $url_clickable = '~ 1570 ([\\s(<.,;:!?]) # 1: Leading whitespace, or punctuation 1571 ( # 2: URL 1572 [\\w]{1,20}+:// # Scheme and hier-part prefix 1573 (?=\S{1,2000}\s) # Limit to URLs less than about 2000 characters long 1574 [\\w\\x80-\\xff#%\\~/@\\[\\]*(+=&$-]*+ # Non-punctuation URL character 1575 (?: # Unroll the Loop: Only allow puctuation URL character if followed by a non-punctuation URL character 1576 [\'.,;:!?)] # Punctuation URL character 1577 [\\w\\x80-\\xff#%\\~/@\\[\\]*(+=&$-]++ # Non-punctuation URL character 1578 )* 1579 ) 1580 (\)?) # 3: Trailing closing parenthesis (for parethesis balancing post processing) 1581 ~xS'; // The regex is a non-anchored pattern and does not have a single fixed starting character. 1582 // Tell PCRE to spend more time optimizing since, when used on a page load, it will probably be used several times. 1583 1585 1586 $ret = preg_replace_callback( '#([\s>])((www|ftp)\.[\w\\x80-\\xff\#$%&~/.\-;:=,?@\[\]+]+)#is', '_make_web_ftp_clickable_cb', $ret ); 1587 $ret = preg_replace_callback( '#([\s>])([.0-9a-z_+-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,})#i', '_make_email_clickable_cb', $ret ); 1588 1589 $ret = substr( $ret, 1, -1 ); // Remove our whitespace padding. 1590 $r .= $ret; 1591 } 1592 } 1593 1594 // Cleanup of accidental links within links 1595 $r = preg_replace( '#(<a( [^>]+?>|>))<a [^>]+?>([^>]+?)</a></a>#i', "$1$3</a>", $r ); 1596 return $r; 1597 }
Elimina los números de línea y adáptalo para agregar la opción de los videos. Disculpa en el parametro Matches debo poner la cadena de texto que puede contener urls verdad? |